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TeX
TeX
00:38
1
Q: Space before italicized words

GibbsThis may have an answer somewhere else, I have not found any. I apologize if it is a duplicate. The TeXBook recommends to add \/ after italicized words in order to adjust the spacing with roman text that comes afterwards. E.g. {\it italicized\/} is cool looks better than just {\it italicized} is ...

2
Q: Why can a model's SHAP values change on a new dataset?

ConnorBackground I'm validating a model and as part of the process I've been calculating SHAP values for different validation datasets. I've calculated SHAP values for every sample in each dataset taken their absolute values, summed, and normalised them. This allows me to see their aggregate contributi...

01:02
1
Q: What is the explanation of And don’t let the evil inclination assure your that the grave will be a place of refuge for you mean

David BH What do the main poskim and commentators explain “And don’t let the evil inclination assure your that the grave will be a place of refuge for you” mean in Pirkei Avot 4:22

01:27
2
Q: Which version of The Curse of Fenric is available on BBC iPlayer?

A.SteerThe BBC released over 800 episodes of Doctor Who on iPlayer in November 2023. The Curse of Fenric, the third serial of the 26th season, has three versions: The original release A 1991 video edition with 6 minutes of extra footage A 2003 DVD version with 12 minutes of extra footage Which version...

RPG
RPG
5
Q: How can I optimize my familiar as a pack-mule?

The Dark CanuckLow strength spellcasters could use a strong, loyal companion to carry any loot and excess equipment. They can fairly easily get a loyal companion in a familiar, but most familiars aren't exactly weightlifters themselves. How can I best optimize a familiar to haul and caddy items for me? I'm espe...

DIY
DIY
01:48
1
Q: GFCI in aluminum sunroom keeps tripping

Zach SmithI recently installed a GFCI outlet in an aluminum sunroom in the interior wall of the sunroom. It worked fine in the summer but now in the winter months when it gets real cold at night the GFCI trips. The walls are just over two inch thick, and the insulation used is some cheap styrofoam condense...

ELL
ELL
3
Q: Should a full stop punctuation be used in Abbreviations?

ArulkumarI've noticed a full stop (period) after "UTC" on the Enthusiast badge page. In my understanding, the presence or absence of the period after the abbreviation doesn't seem to affect the meaning. Are there any style guides that recommend using a period in abbreviations? I'm curious to know the conv...

02:09
1
Q: Sub príncipe dúró temporibusque malís audés esse bonus

DolphínusIn page 46, sententiae antíquae, sententia numerus sextus Sub príncipe dúró temporibusque malís audés esse bonus My guess is that this means Under bad times and strict chief you hear being good. But I am very dubious abut the esse bonus part of the sentence.

3
Q: Are stable isotopes ever used in pharmaceuticals?

imrobertCarbon has two stable isotopes, C-12 and C-13. Since they both have the same electronic structure they can both make up the same molecules, but presumably they may perform different functions in biochemistry due to different mass. Q: Have various stable isotopes of the same atom ever been put to ...

2
Q: Complete the pattern: 21VN, 32TX, 43QS,

QiseThe pattern comes from a culture test online (in French). Some questions are actually about mathematics/logic. I absolutely do not understand this one, though, given the others questions it should be something extremely trivial Question: Complete the pattern: 21VN, 32TX, 43QS, 54?? a. FE b. DE c....

ELL
ELL
02:36
2
Q: to paint someone (other than oneself) "into a corner"

flenDo these 3 sentences properly use the idiom "paint someone into a corner"? Or can it only be used as "paint oneself into a corner" (i.e., it wouldn't be possible to paint someone else into a corner)? They were painted into a corner. They were painted into a corner by the situation. Their col...

DIY
DIY
02:57
1
Q: How should I connect my ceiling fan/light in this box?

snakeheadThere was a ceiling fan which I removed. I usually would take a picture of the wiring before removal but the design of the fan made that difficult and only after I got the fan down did I see this mess. I will never rush this stuff again. After removal of the ceiling fan I realized that some of th...

1
Q: zero-ending attributive adjective before a language name

Dr.DoomSo I've stumbled upon the following phrase: Er ist so müde, dass er nur langsam Deutsch sprechen kann. My question is why is langsam used without an ending? I'm aware that language names in German have two forms, and here, it's the neuter zero-article one. But my grammar books have no mention o...

03:21
1
Q: How do you publish on a ROS topic when the message type is not known?

jasonsfI am trying to publish a ROS message in Python but I do not know the message type. I tried using AnyMsg and it did not work. If this is possible would someone be able to provide a Python code snippet?

2
Q: How quickly does one receive the electronic visit pass by email after going through the immigration in Singapore?

Franck DernoncourtI read the following when going over the Arrival Card form for Singapore: Text: If you are eligible for entry into Singapore, you will receive an electronic visit pass (in lieu of inked endorsement stamps on the passport) sent to you via this email address. Please therefore ensure that you prov...

TeX
TeX
03:43
2
Q: How to use enumerate environment for a equation

PelucheI'm looking for a way to replicate this "well enumerated equation": In particular, I want to be able to enumerate (i), (ii), ... the equations easily. I know I can somehow replicate this using (align + aligned)'s environments but it's hard to align everything correctlye (like this). For now, I m...

2
Q: Glissando during arpeggiando on string instruments

Karlo(Related to this question for the case without glissando) Consider following example of an arpeggiando on the four open strings of the cello (but the question also holds for violin or viola). Is it now possible to add fingers on the neck and realize an upwards glissando on all four notes at the...

04:08
1
Q: Folding chairs/tables on Shabbat

KirkIs it permissible to unfold an easily foldable folding chair or table on Shabbat? Since this is easily re folded, would it still be considered under the melacha of “Boneh” or something else? If permitted, how long can one have it set for? In this case, no screws or tightening are involved, only f...

ELL
ELL
1
Q: How to say "to prepare a place for sleeping" (for example to put a sheet, blanket and pillow on the bed)?

LoviiiHow to say "to prepare a place for sleeping"? I mean "to put a sheet, blanket and pillow on the surface where someone will sleep (usually it's a bed)". For example: The host of a house says to his friend who wants to stay overnight at his house: (1) I "prepared a place to sleep" for you on the fl...

04:32
3
Q: Question regarding the definition of linearization of line bundles

Hajime_SaitoI'm reading Dolgachev's book 'Lectures on invariant theory'. In Chapter 7, the linearization of a group action is discussed. Let $G$ be a linear algebraic group acting on a quasi-projective variety $X$ over an algebraically closed field $k$ via $\sigma: G\times X\rightarrow X$. He then defines th...

3
Q: I need guidance in this integral

samsamradas$$\int \frac{e^{2x}-2}{e^{2x}+7}\,\Bbb dx$$ I was trying: $$\int \frac{e^{2x}}{e^{2x}+7}\,\Bbb dx -2\int \frac{1}{e^{2x}+7}\,\Bbb dx$$ $$= \frac{1}{2}\ln|e^{2x}+7| -2\int \frac{1}{(e^x)^2+(\sqrt{7})^2}\,\Bbb dx$$ $$= \frac{1}{2}\ln|e^{2x}+7|+ \frac{-2}{\sqrt{7}} \arctan\left(\frac{e^x}{\sqrt{7}}\...

TeX
TeX
04:53
3
Q: Drawing Three Tangential Lines on a TikZ Diagram to a Specific Point on a Circle's Circumference

Marco MoldenhauerHow to draw the three red lines shown in the TikZ picture below: Line 1: Start from the inner circle's circumference at 0 degrees, extending tangentially to the north, and reach the middle circle. Position the number '20' along the midway point of this line. Line 2: Initiate from the middle ci...

3
Q: Wise saying in the Netflix series 'Shtisel'

SuslikSome time ago, I watched the fantastic series 'Shtisel' on Netflix. I can't remember everything clearly, and unfortunately, the series is no longer available on Netflix. However, there's one scene that I particularly liked. It was recommended to Giti Weiss (I believe by a rabbi) to ask for nails ...

CS
CS
2
Q: How do I get a career in field linguistics?

SnowI've seen a lot of posts here and elsewhere about how difficult it is to get a research career. These are quite discouraging to me. Is it really so impossible? I am a master's student now (in linguistics). What I would like to do is to get a PhD in linguistics, doing fieldwork on an underdocument...

05:40
4
Q: Why are there so many pro-Palestinian protestors in the United States?

ZibbobzAmid the recent rise in pro-Palestinian protests in the United States, most recently one interrupting the Rockefeller Center Christmas Tree Lightning, I've begun to wonder - why has there been such a dramatic uptick in pro-Palestinian protests in the United States? It is true that Israel recently...

AI
AI
1
Q: Which epoch is the best for me to choose?

userI have trained my deep learning model. I also saved the validation loss to a file and plotted on a graph I have $2$ questions for this: Does the validation loss look normal? Is there any issue with the validation loss ? How can I determine which epoch is the best epoch so I can choose ? If you...

1
Q: Would funding a Fidelity HSA from a bank account instead of direct deposit incur extra taxes?

StevoisiakWhile opening a Health Savings Account with Fidelity, I was asked whether I wanted to add money to my account by either linking a bank account or directly depositing my paycheck. My understanding was that HSAs are tax-free, but deposits made into a bank account have already had payroll taxes dedu...

7
Q: Read this fantasy book about 25 + years ago (it was definitely written prior to 1999) and was about a moon elf named Selene

Aslinn164I have tried searching for this book online for the past 5+ years, but keep coming up empty. I also remember a male character's name was Kael so I used Google's Bard AI last night and it actually gave me an excerpt from the book that, but then gave me the wrong book title and author!! Here's the ...

06:04
2
Q: Contourplot with three variables

SciJewelI have the following equation to generate a contour plot for it: ContourPlot[{(6 x^2 (-0.00001 + (z)^2))/(6 y^2) == 0.2}, {x, -1, 1}, {y, 0.1, 20}] It has three variables. The range of the two variables is given above but the variable z has range of {10, 100}. My question is how to introduce the...

3
Q: How do I find the arctan of a complex number?

PolynomialI am trying to simplify $$\tan^{-1}\left(e^{ix}\right), x\in\mathbb{R}$$ $$=\\tan^{-1}\left(\cos x+i\sin x\right)$$ Using $$\tan^{-1}\left(a+b\right)=\frac12\tan^{-1}\left(\frac{2a}{1-a^2+b^2}\right)+\frac12\tan^{-1}\left(\frac{2b}{1+a^2-b^2}\right)$$ Gives $$\frac12\tan^{-1}\left(\frac{2\cos x}{...

06:28
4
Q: Sci-fi / Action movie involving portals appearing in the desert and soldiers accidently passing through into another dimension (last 10 years)

Richie MillsVery vague I know - I remember watching this movie without really knowing what it was, and enjoyed it, but can I find it again? No. There were alien / creatures involved, the first ones we meet are sand-dwelling / burrowing... Later in the film something happens to allow the creatures to cross ba...

RPG
RPG
06:53
7
Q: One of PCs backstabbed a powerful ally. How do I punish them without seeming like singling them out?

HFOrangefishFollowup to this question. So, I'm running a Starfinder game, and we are 50 sessions into this campaign. The campaign involves the fate of a small but strategically important settlement, which several factions are vying for control of. My group are from several different factions, but have tempor...

07:14
1
Q: Static friction when rolling with constant speed

Stallmp (I know that similar questions have been asked before, but I would like to ask very specific questions about this specific image that I do not understand). Let's say that we have a wheel of a car that is initially stationary. In order for the wheel to spin, we need to apply a torque to the wheel...

CS
CS
07:38
2
Q: Optocoupler as a switch for composite video sources

brigadirI want to switch between 2 video sources (cameras) to a common video receiver. Is general purpose optocoupler suitable for that? Here is the schematics: In more details, the video switch is controlled by a 3.3v MCU. It will select input video source before turning on the video receiver, so there...

08:01
1
Q: Understanding John Lee's Intuition Regarding Failure of Exactness of Covector Fields in the Punctured Plane

user480172I am trying to understand what is meant by the following wording on page 297 of John Lee's Introduction to Smooth Manifolds, the 2nd Edition: "The key to constructing a potential function in Theorem 11.49 is that we can reach every point $x \in M$ by a definite path from $c$ to $x$, chosen to var...

08:23
3
Q: "You Search the Scriptures" - How has the democratization of access to the scriptures affected biblical hermeneutics? (John 1:33-39)

Dan FeffermanJohn 1:33-39 You sent emissaries to John, and he testified to the truth...You search the scriptures, because you think you have eternal life through them; even they testify on my behalf. Looking further at John 1, we find that those were sent to John the Baptist were priests, Levites and Pharis...

1
Q: In an object-oriented game engine, should there be seperate classes for objects with and without parents?

AcinonXI am developing a game engine in C++ (for an idea of what kind of design I'm going for, think of ROBLOX, if you're familiar with that) and I need help with a problem I have. So basically, the objects in a scene are called "Instances", and they can have a parent and any number of children. The pro...

3
Q: Every finite integral domain is a field (why is it commutative?)

Ignacio de MiguelOkay, a finite integral domain is a finite ring $D$ such that for every $a, b \in D, ab = 0$ iff $a = 0$ or $b = 0$. We want that $D$ is a field, meaning it has a unit element ($1$), every element is invertible and it is abelian. First, I prove that every element is invertible: Assume $|D| = n$ ...

08:45
5
Q: What are some roadblocks preventing a free trade agreement between the EU and America?

Sayaman Despite the US being the EU’s largest trade and investment partner, there is no dedicated free trade agreement between the EU and the US. The Transatlantic Trade and Investment Partnership (TTIP) negotiations were launched in 2013, but ended without conclusion at the end of 2016. They were forma...

09:08
2
Q: How does one get past unlucky work history streak?

CharlieIn the years leading up to 2023, I've been pretty good about my employment. In the last year, however, I have burned through three jobs in relatively quick succession. Job 1. Factory work. Was fired because I was too vocal about protected status issue. I even put in a "formal" paper complaint. I...

3
Q: What types of materials would be generated by a lava monster that has been cooled down rapidly?

LeticiaI want to create a magma slime, which has a magical vulnerability to being cooled down and turns to rock easily (like when hit by a water or an ice spell). This rock can then be shattered to gather valuables. Is it possible that quickly cooled magma/lava would form any valuable materials like gem...

09:31
3
Q: Are there any wars other than the 2023 Israel-Hamas War that are named after a country and a political party?

TheScreamBackground The 2023 Israel–Hamas war is referred to in the Western media as "the Israel-Hamas war". All Western commentators I've seen, including military experts, journalists, and political leaders in both the US and the Israel, seem to take great care to single out Hamas as Israel's adversary i...

1
Q: Could Earth's Zirconium (used in geological dating) have formed in extraterrestrial events before the earth was formed?

LucasThis is a follow up question asked and answered (Radio-dating and the age of the earth) The answer was given that Zirconium is formed under high pressures and temperatures. How do we know, for example, most of the Zirconium on earth wasn't formed in some extraterrestrial event before the earth fo...

2
Q: Is it possible to "sort" a continuous function?

Dannyu NDosI was motivated for this question while seeking for a new sorting algorithm. Suppose a continuous function $f : [a, b] \to \mathbb{R}$ is given. I wanted to define the sorted version $g$ of $f$, which shall satisfy the following properties: $g$ monotone increases $g(a)$ is the global minimum of ...

 
1 hour later…
DIY
DIY
10:41
1
Q: Single water meter in condo building?

Runeaway3Trying to understand the set up (both physically & from a charge-for-usage perspective) of the water meter in my condo building. The set up is illustrated in the below photo. As far as I can tell, this appears to be a single usage meter, with lines after the meter going to each unit. How would c...

1
Q: Is John 5:1-17 a good example of Jesus healing a man with no faith?

Perry WebbIs John 5:1-17 (The Healing at the Pool on the Sabbath, ESV) a good example of Jesus healing a man with no faith? Now the man who had been healed did not know who it was, for Jesus had withdrawn, as there was a crowd in the place.  Afterward Jesus found him in the temple and said to him, “See, y...

GIS
GIS
1
Q: Generating offset line from MultiLineString in QGIS

Ben DauphineeI have a MULTILINESTRING in my CSV file, and I want to generate a copy of it offset to the right by a few meters. I've run Single Sided Buffer, and Offset Lines, and neither of them seem to generate the correct geometry. Do I need to convert this string to some other geometry or file type, or som...

TeX
TeX
11:04
1
Q: Command name containing a number

Hussein EidI want to define a command \C4 which produces C4 (both in bold and normal fonts). I wrote something like \begin{document} \DeclareTextFontCommand{\textscn}{\upshape\bfseries} \newcommand{\C4}{\textscn{C4}} \end{document} This code gives an error. I wonder how can I avoid this error ?!. Thanks ...

11:26
1
Q: awk appends column in .gz file as seen with cat -A, but changes column name in regular output

jay.sfUsing awk, to this table I want to add a column where first row is "INFO" and rest of the rows are all "1". $ gunzip -c foo.gz | head SNPID CHR BP Allele1 Allele2 Freq1 Effect StdErr P.value TotalN rs1000033 1 226580387 t g 0.8266 -0.0574 0.0348 0.09867 17310 rs1000050 1 16...

TeX
TeX
3
Q: Undefined control sequence if I add % before gdef

Gqqnbig\documentclass{beamer} \begin{document} \begin{frame}[t] % {\gdef\x{Hello}}% % \x \end{frame} \end{document} This code does not compile. xelatex 2023 gives error Undefined control sequence. \end{frame} But if I remove the percent signs, the code compiles. I thought comments are non-essential...

2
Q: What is the "noautoscale" in pgfpages in LaTeX?

Y. zengIn pdfpages package, there are noautoscale and fitpaper options and so on. I understand what the fitpaper means. But what does noautocale mean? What does the noautoscale scale to? I have done a test, in which noautoscale=true and noautoscale=false have a little difference, but I can't tell which ...

1
Q: Why is there a difference between the ICRS and EME2000

Cort Ammon The International Celestial Reference System (ICRS) defines coordinate axes that are closely aligned with those of the J2000 (aka EME2000) reference frame. The International Celestial Reference Frame (ICRF) and later versions of it (ICRF1, etc.) are realizations of the ICRS. For brevity, we'll s...

11:50
1
Q: Consolidating P2PKH outputs

nakwaI have thousands of UTXOs that were created for experimental purposes back in 2016. These were created programmatically using P2PKH transactions, each generating hundreds of 10K-ish sat outputs. Since these are now worth a few thousands $, I'd like to consolidate these outputs (and retrieve them ...

12:16
5
Q: Depiction of convergence in categorical sense

SalutaFungoIt is well-known that for a product space $\Pi_{\alpha \in A} X_{\alpha}$, a sequence of points $\{\mathbf{x}_n\}$ converges if and only if for each $\alpha \in A$, $\{\pi_{\alpha}(\mathbf{x}_n)\}$ converges in $X_{\alpha}$. The traditional proof relies heavily on arguments of neighborhoods, and ...

12:39
3
Q: Why are currency exchange rates so different in Egypt?

gdrtI’m in Alexandria. Google shows the exchange rate of EUR to EGP at 1 to 33. I get the same rate when I use my credit card. But when I exchange euros at different places in the streets, in the shops I get much more favourable trades (1 to 40, even 1 to 49). I read that EGP isn’t pegged to USD anym...

 
1 hour later…
13:46
3
Q: Tire flat after 2nd trip on Brand New Ancheer 500W Ebike

KeithOk, so I am new to biking and don't know squat, as you will soon see. I bought a brand new E-bike, an Ancheer 500W. I borrowed an air pump, but had no pressure gauge when I first aired up the tires... they felt firm when I pressed them, but when I sat on the bike, I could see the tires going down...

1
Q: Show first name and then last name in activity search results

Suri Gang's HallenIn my organization we have specific needs with the search for activities. In the activity search results we want to show the results of the "With" column first the First Name and then the Last Name and currently we have it the other way around. It is possible to modify the order of how the name i...

5
Q: The origin of a planar graph theorem of Steinitz and Rademacher

L.C. ZhangThe subsequent statements are extracted from the article titled 'Generating r-regular graphs' (https://doi.org/10.1016/S0166-218X(02)00593-0). A well-known classical theorem of Steinitz and Rademacher [22] states that the class $\mathcal{G}$ of 3-connected 3-regular planar simple graphs can be g...

 
1 hour later…
14:55
2
Q: awk replace single quote at beginning of columns

enharmonicI receive input files that are outside my control that contain a leading single quote in some columns, such as 'foo|'012|that's nice|bar I want to remove all leading single quotes from each field, to get expected output: foo|012|that's nice|bar With awk, I assumed gsub regex metacharacters like...

7
Q: One-dimensional map colouring

PhilipposIt is a well-known fact that you can colour a two-dimensional map with four colours in such a way that two countries with a common border always have different colours. There have already been enough challenges on this topic. However, the prerequisite for this is that there must be no enclaves, i...

2
Q: How do I write a stim diagram to a file?

Craig GidneyI made an svg diagram from a stim circuit: import stim circuit = stim.Circuit(""" H 0 CX 0 1 M 0 1 """) diagram = circuit.diagram("timeline-svg") display(diagram) I tried to write the diagram to a file, but I got an error: with open('diagram.svg', 'w') as f: f.write(diagram) ...

3
Q: TV show with a teenage kid who could turn into a dragon

KingButterI remember watching an animated TV show mid 2000’s where there was this teenage kid who could turn into a dragon. He kept his human form but gained abilities of a dragon. I very roughly remember this one episode where a whole bunch of dragons attacked the high school he was going to.

15:42
1
Q: search field in geometry nodes

Chrisif i search for nodes in geometry nodes, i don't get some nodes as i want, at least not as others do. e.g. in this tutorial of Cartesian Caramel he gets: if i put "eq" in the search field, i will get: Hint: i am working on a Mac Is there any settings i can change so that i also get the "right" ...

16:28
2
Q: Using Apex, how do I monitor the daily @future limits?

Jackson SardelloThis support article indicates that I have a limit of 250k @future methods per day. However, I can't find the corresponding Limit class function to monitor this limit. I've tried: System.debug(Limits.getFutureCalls()); System.debug(Limits.getLimitFutureCalls()); Both of these seem to deal with a...

TeX
TeX
3
Q: Reproduce the table of Exercise 22.7 in the TeXbook

StephenIn Exercise 22.7 of TeXbook, a special table is created using \halign with templates: \def\welshverb#1={{\bf#1} = } \halign{\welshverb#\hfil\tabskip=1em plus 1em& \welshverb#\hfil&\welshverb#\hfil\tabskip=0pt\cr rydw i=I am& ydw i=am I& roeddwn i=I was\cr rwyt ti=thou art& wyt ti=art thou& ...

5
Q: Was God tired while creating the universe?

User880Exodus 31:17 (ESV) reads: It is a sign between me and the children of Israel for ever: for in six days the Lord made heaven and earth, and on the seventh day he rested, and was refreshed. I understand the rested means cessation of work, but when it says "rested, and was refreshed", it sounds li...

HSM
HSM
16:52
1
Q: Did Caroline Herschel know about the discovery of Neptune?

KrishnaI was reading about the discovery of Neptune when I realised that Caroline Herschel was still alive at the time. Neptune was discovered in September 1846. Caroline died in January 1848, more than a year later. Do we have evidence as to whether she knew about Neptune’s discovery? If she did, then ...

DBA
DBA
2
Q: HADR_SYNC_COMMIT waits on SQL Server

Data DillLet me preface this post by saying that I am missing a few events from my trace, but I have since added them for the next time this occurs. Lately we have been seeing weird spurts of HADR_SYNC_COMMIT wait types in our environment (~40k tran/s). Today's "incident" occurred at 4:58am: Before cont...

17:16
1
Q: The security of using a digital signature scheme twice with randomness

Kagura HitohaSuppose $\Pi=(Gen,Sign,Vrfy)$ is a secure signature scheme, is the following signature scheme $\Pi'$ secure? $Gen'$: The same as $Gen$, output public-private key pair $pk,sk$ on input $1^n$ $Sign'$: On input a private key $sk$ and message $m\in\{0,1\}^n$, choose uniform $r\gets \{0,1\}^n$. Outpu...

17:37
5
Q: Are there multiple types of UTC time?

RafaI have been checking in detail the specifications of RINEX navigation files version 3.05, and something in the definition of the header of these navigation files caught my attention. One of the lines that the header can contain is labeled as "TIME SYSTEM CORR". The last field of this line is an i...

2
Q: Is a world laser possible?

TempzApexRight now, I am developing a weapon of mass destruction dubbed 'The World Laser'. Basically, the antagonist is trying to destroy the world completely by cutting it in half in a singular motion using a laser which is focussed out of a very small point, I'm talking a nanometer wide concentrated las...

18:01
3
Q: Random velocity generation

Rubi AgrawalHow to generate random velocities in the geometry coordinates of a surface (POSCAR file) using the Boltzmann distribution law with Atomic Simulation Environment (ASE) or other codes for Molecular Dynamics (MD) calculations?

CS
CS
1
Q: What is the purpose of different units in pressure sensors?

MarkHere is the datasheet of Honeywell ABP2 Pressure Sensors series. In Figure 7 on page 11, you can see a lot of options. Here are the absolute ones: I don't understand why they have to provide different output units. They are all linear and it's easy to convert from one to another. If the output i...

4
Q: Expected winning score in a round robin tournament

RandallSuppose you have a tournament consisting of 100 players in which each player plays each other player exactly once. In any given match, the chance of either playing winning is equally likely, and there are no ties. Winning a match gives $1$ point, and losing a match gives no points. After all matc...

18:26
2
Q: Could alkaline digestive system work?

YulianSo a human digestive system is generally acidic, especially at the stomach part, when it goes down to even 1.5 pH. Similar things must be happening in other mammals and to an extent, probably in all animals. Is there however some hard evolutionary, biological, chemical or any other block stopping...

18:47
1
Q: How to increase the number of polygons while maintaining mesh curvature in Blender

MaxI have a need to increase the number of polygons in this mesh, maintaining mesh curvature: I tried increasing the number of polygons with the Subdivide tool in edit mode, with this result: The problem is that the points added with the subdivision, do not maintain the same curvature of the mesh,...

19:12
7
Q: How can we plot Man Ray's "Shakespearean Equation" w == e^(1/z)?

eldo1. Man Ray Man Ray (1890 - 1976) was an American artist who spent most of his career in Paris. He was a significant contributor to the Dada and Surrealist movements. Man Ray produced major works in a variety of media, including photography, but considered himself a painter above all. Man Ray in ...

RPG
RPG
6
Q: Can you use True Polymorph and an Intellect Devourer to potentially learn Deep Speech and a secret?

SenmurvI have been thinking of making a homebrewed campaign where, as part of a bigger plot, the party needs to learn Deep Speech and a secret that a particular Intellect Devourer learnt from consuming the brain of a king from long ago. Can True Polymorph be used twice -once on the Intellect Devourer an...

19:35
4
Q: How did the Greeks make the menora-oil impure?

ShmuelThe Gemara in Shabbos 21b famously writes "Mai Chanukah"- what is Chanukah? The Gemara elaborates: When the Greeks entered the Sanctuary they defiled all the oils that were in the Sanctuary While it is a true matter that they could've used impure oil for lighting the menorah, they insisted in u...

19:57
1
Q: haproxy.cfg errors in configuration file. Help needed

Raphael10Trying to follow these indications: https://github.com/kubernetes/kubeadm/blob/main/docs/ha-considerations.md#haproxy-configuration and these indications: HAProxy use urls in server config? I'm trying to correctly and properly define haproxy.cfg, but I'm getting errors This is the content of /run...

2
Q: Why Curie temperature is bigger for smaller lattice in 2D Ising model

JohnUsing Metropolis algorithm, Curie temperature was calculated for square lattices with different sizes 4x4, 8x8, 16x16 and 32x32. Here Curie temperature was estimated as temperature of maximum of heat capacity.It appeared Curie temperature is decreasing with increasing a lattices size. But why? I ...

CS
CS
4
Q: Trouble with filter using Laplace transfer function in LTSpice

WintermuteI would like to introduce an ideal 5th-order Bessel filter to my simulation. My initial thought is to use a voltage-dependent voltage source and Laplace transform. I copied the Bessel filter coefficients from Wikipedia. Bessel LPF filter coefficients. s+1 s^2+3s+3 s^3+6s^2+15s+15 s^4+10s^3+45s^2+...

3
Q: Being sent away from an airfield - could I have asked more questions?

CloudOn the weekend I visited an airfield (it IS inside an ATZ) that has a PPR section on their site. I've previously called ahead on the radio for PPR. Anyway I called them on frequency 10 miles out and they asked if I had PPR. I said no. The response: "Then we can't accept you unless you have a flig...

GIS
GIS
4
Q: Using Conditional branch algorithm in QGIS Graphical Modeller

Andy BaaderI have a question regarding using the Conditional Branch algorithm in the Graphical Model Builder. I am building a rather complicated model with many branches but not every branch needs to be used every time. So I want to use the Conditional Branch algorithm to check the "art" column of the attri...

20:21
3
Q: Why does Mathematica not recognize a convergent series?

drerIn one of my program run on Wolfram Cloud I run the command: Sum[(-1)^(Floor[k/2])/(k+1),{k,0,Infinity}] and got the response Sum: Sum does not converge This is very strange because the sum obviously converges to $\frac\pi4+\frac{\log2}2$. I have checked that the terms are correct running: ...

5
Q: expected number of strikes to kill a 3 heads dragon

clementYou want to slay a dragon with 3 heads. There is 0.7 chance of destroying a head and 0.3 chance of missing. If you miss, a new head will grow. X is a random variable for the number of rounds until you slay all 3 heads. Find E[X]. I get the following pmf that $P(X = n) = ? 0.7^{k} 0.3^{k-3}$ where...

TeX
TeX
20:43
1
Q: How to make Dwarsligger (flipback book) in latex?

IviI mean a form of book in which the page of one page from a conventional book is printed across two pages, so the text appears to be parallel to the spine. Accordingly, the numbering of pages occurs on the basis that two pages opened vertically are one page. I can't even imagine how this can be do...

21:32
2
Q: Applying the Central Limit Theorem to a Piecewise PDF

OcchimaFor a large sample of size 1296, we are looking at independent and identically distributed random variables defined by the piecewise probability density function $f(x) = \frac{1}{3} (I_{(0,1)}(x) + I_{(3,5)}(x))$ (a) I am trying to find the cumulative distribution function (CDF) of $ Y = |X_1 - 2...

21:56
1
Q: Outlier detection methods aware of target variable

Nadir BašićI am trying to predict ambulance demand for the next hour, for a city area in the USA, based on previous demand, weather, large people gatherings and similar spatio-temporal factors. I have noticed some points where the features are 'usual' - eg sunny peaceful sunday afternoon, but there is unusu...

1
Q: How to Share a Link from Google Chrome on Mac to iPhone with AirDrop?

FauzanThere's no default option to share to AirDrop like on Safari Browser.

22:16
2
Q: videos from non-linux partition dont't play

alireza afarinzadI installed linux dual boot with windows, now I can't play any videos from another mounted partition. I should also mention that only videos have this problem and I can open pictures, documents, music, ... with no problem. Also the problem is not video codecs, If I copy and paste video in linux p...

4
Q: Filter Airbnb rooms for Eiffel tower view

gsamarasI am looking for a room with Eiffel tower view. I can't seem to find any relevant filter (which I understand is too specific, but on the other hand too iconic to ignore). Any ideas how to approach this? I thought about filtering rooms' descriptions by the phrase "Eiffel tower view" or so, but suc...

22:40
8
Q: Turn Back the Clocks

JafeThis is part 45 of the puzzle series Around the World in Many Days. Each part is solvable on its own. Dear Puzzling, This is a Slitherlink puzzle. Draw a single continuous loop along grid lines that does not cross itself. Numbers indicate how many sides of the numbered cell are used for the loop...

RPG
RPG
23:06
8
Q: How can I remove smoke from a bag of holding?

JimboboIf I fill a bag of holding with smoke, could I remove all of the smoke by reaching in, or would I have to turn the bag inside out to release the smoke? I feel like removing the smoke by hand wouldn't work because the smoke particles aren't connected, so whatever I could "grab" is all I'd be able ...

3
Q: How do we differentiate the truncus coeliacus from the superior mesenteric artery?

MariaHow do we differentiate the the truncus coeliacus from the superior mesenteric artery when looked at from an MRI in the axial plane? For example, the images that I attached, how can I differentiate 8 from 51? I cannot see a difference. (Source of images: Imaging atlas of human anatomy, Weir & Abr...

23:24
1
Q: Best methods to send citations to co-reviewers

Ben-PWI am currently conducting a systematic review and have finalised my initial extraction. I need to send a list of citations to my co-reviewers so that they can screen the relevant citations. Does anyone here have any suggestions of the best ways to export citations so that others can conveniently ...

TeX
TeX
3
Q: decorations.text: How to have math inside the text key?

DiaaHow to fix the following to have math inside the text key with dynamic variables? \documentclass{article} \usepackage{pgfplots} \usetikzlibrary{decorations.text, math, intersections} \begin{document} \newcommand{\adhesion}{5} \begin{tikzpicture} \begin{axis}[ cycle l...

3
Q: Can doppler radar be used to detect stealth aircraft by focusing on the characteristic flow field instead of the aircraft itself?

Tony StarkAny aircraft traversing through the air would impart velocity, pressure, and temperature gradients to the surrounding air, then there are some phenomenon which are unique to all winged bodies such as wing tip vortices. These gradients do not occur naturally and develop in a very distinct manner (...

23:47
2
Q: Which is the best explanation of the mind body relation, dualism or physicalism?

8Mad0Manc8As far a my knowledge of philosophy there is two schools of thought dualism that the human mind is separate from the physical body, and the other school of thought is physicalism that the mind is physical as is the body. The argument against physicalism From the SEP is as follows "The main argume...

CS
CS
1
Q: What do these 2 NOR gates do in this wind turbine charge controller?

user357057I have the schematic for a wind turbine charge controller from here. What is the purpose of the two interconnected NOR gates in the middle of the schematic?


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