TeX, LaTeX and Friends

6:01 AM

@FriendlyGhost: That's Math.SX, not LaTeX.SX (and I am a math educator (somehow ;-))

8:54 AM

@FriendlyGhost A teacher who doesn't know how to explain things. I can't see where's the problem. Any time one sets up an equation, the number of solutions is unknown. There t just denotes a value that satisfies the equation. There can be more than one value: it happens all the time.

9:30 AM

Huhu

@Johannes_B: Thanks for pointing to that, say, discussion -)

A: What is \section and itemize doing to the penalty system? (problem with eledmac column balancing)

@ChristianHupfer It wasn't as spectacular as expected though.

0

Woah, the LaTeX kernel is still able after two decades to come up with surprises! What a nasty bug and in there since day -1. This is not a problem of eledmac it is a problem of the way LaTeX tries to keep at least 2 lines of text after a section heading. It does that by setting \clubpenalty t...

@Johannes_B: No, but I did not expect that to be spectacular.

@Johannes_B: But one guy is a TeX fundamentalist ;-)

@ChristianHupfer Everybody has annoying features, right? ;-)

@Johannes_B: Everybody? Yes, all but me ;-)

9:39 AM

@ChristianHupfer I have more than one, i think it equals out somehow ...

Under what circumstances does \loop ... \repeat yield an error message "extra \fi"?

Without the loop repeat, the document compiles fine

@1010011010 when you use it incorrectly?

@1010011010: a premature end \if... statement in the loop? You should give more information

\newcount\advancedday
\newcount\currday

\newcount\daysinthismonth

\def\advancedatebydays#1{%
\advancedday=\number\day%
\advance\advancedday by #1%
% \loop
\ifnum\month=2
  \daysinthismonth=28
\else
  \ifodd\month
    \ifnum\month<8
      \daysinthismonth=31
    \else
      \daysinthismonth=30
    \fi
  \else
    \ifnum\number\month>7
      \daysinthismonth=30
    \else
      \daysinthismonth=31
    \fi
  \fi
\fi
\ifnum\advancedday>\daysinthismonth
  \advance \advancedday by -\daysinthismonth
  \advance \month by 1

@1010011010: That code runs

9:54 AM

Exactly, now uncomment the \loop and repeat

Oops, I can't edit the code anymore... I missed something

\let\mydatesep=-
\newcount\advancedday
\newcount\currday
\newcount\daysinthismonth
\def\advancedatebydays#1{%
\advancedday=\number\day%
\advance\advancedday by #1%
% \loop
\ifnum\month=2
  \daysinthismonth=28
\else
  \ifodd\month
    \ifnum\month<8
      \daysinthismonth=31
    \else
      \daysinthismonth=30
    \fi
  \else
    \ifnum\number\month>7
      \daysinthismonth=30
    \else
      \daysinthismonth=31
    \fi
  \fi
\fi
\ifnum\advancedday>\daysinthismonth
  \advance \advancedday by -\daysinthismonth

@1010011010: I see

It's a nice mixture of extra \else, extra \fi

@1010011010: Are you sure that all branches itself are correct? (And it does not work for leap years :-P )

@ChristianHupfer It does not work for years at all... there's no \year conditional :-)

@ChristianHupfer The fact the code runs without \loop \repeat suggests it should work

@1010011010: Yes, perhaps, but did you test it for all possible dates? Perhaps there is a branch that is not reached (and wrong in the end) which would been achieved by a loop and then it fails?

9:59 AM

@ChristianHupfer The loop is what makes the macro more general, but evidently it doesn't work

@1010011010: Are you sticking to TeX or is the LaTeX package advdate doing what you want to achieve? And perhaps a \ifcase structure would be of more help

@ChristianHupfer It's basically just practice, trying to code random things... which I obviously need since I can't even use a basic \loop \repeat :(

@1010011010 if you add \loop and \repeat you need to add \ifsomething to tell it when to stop

@DavidCarlisle This doesn't suffice?

\ifnum\advancedday>\daysinthismonth
  \advance \advancedday by -\daysinthismonth
  \advance \month by 1
\fi

@1010011010 that's an if..fi so is inside the body of the loop you need a conditional terminated by \repeat (which is just an alias for \fi)

10:11 AM

@1010011010: There's no test to stop the loop

2 mins ago, by David Carlisle

@1010011010 if you add \loop and \repeat you need to add \ifsomething to tell it when to stop

Ah I didn't know \repeat was some kind of \fi

@DavidCarlisle: Yes, I saw it now ;-)

@1010011010 it is defined by \let\repeat\fi

s__C

10:28 AM

@Alenanno I can explain you briefly the stuff here

As I said I'm working on a control blocs library. This means custom blocs that are connected together. For some time I thought using tikz matrix was the best. I can redefine custom commands with the \node... part that includes a pic. In the end it's very easy to use but also too much unflexible.

Now I want to move to relative positioning, with above of = ... so I need to be able to access ... which has to be a node (or a pic if I can give it a name).

Is it clearer @Alenanno?

All in all flexibility is the most important thing.

10:44 AM

@s__C Hey. Since you used "angle", do you want to position the nodes in a circular shape or something?

@s__C I'm asking this because if I know the final "picture" you want to create, then I can think of how you can do it.

I can work on the code, but it would be aimless. :P

s__C

11:14 AM

@Alenanno the bOp is an operator, so that I can populate +,- or * and / on at most 3 of the 4 cardinal points inside the circular shape.

1:35 PM

@s__C Did you want what Mark added in his answer? If yes, I can do something similar with regular Tikz.

Q: Alchemical symbols with LaTeX

2:08 PM

@barbarabeeton Seems there is a whole unicode plane on alchemy. We have a question on side looking for a symbol. The linked pdf gives symbols for amalgamation, calcination, separation and others, non of them represented in the plane. I don't know what kind of symbols those are, and where they are coming from, but i thought i'll drop you a note :-)

1

I need to draw symbols of alchemical processes in a LaTeX document: in particular, I'm interested in the process of "amalgamation", depicted here at page 15: I'm open to any suggestion, even something like "draw it on your own!", just teach me how. Keep in mind that the general look of the sy...

fonts symbols

@Johannes_B looks like U+1f741 with two extra strokes..

@DavidCarlisle Yes :-)

2:32 PM

@Johannes_B -- thanks. unfortunately, can't help with this one. some alchemical symbols -- all in the 2600 block of unicode -- were included in the stix fonts, but unless a symbol was among the requests from the participating organizations (acs among them), it wasn't considered. the 1F700 block came later, submitted by someone else; i wasn't even aware of its existence before now.

the shapes of the symbols in the cited reference are very nice; the best suggestion i think i could make would be to get in touch with its author, to find out what font was used, how the document was created, and whether some other symbols -- such as the one he's asking about -- might be added.

@barbarabeeton I didn't even think of looking up if they are included in unicode.

@Johannes_B There's the free font Symbola that covers them.

@egreg You should add this to the question ;-)

The thing is though, that the OP wants the symbols to match Latin Modern, which is quite a different thing. And maybe off-topic.

The font has a very different idea of what the symbol for Amalgam should be

@Johannes_B Different alchemy schools, I guess.

@egreg Maybe :-)

2:37 PM

it's achemy C from here myfonts.com/fonts/deniart/alchemy-symbols/c-regular

@DavidCarlisle The very first one seems to be a hit :-)

@barbarabeeton it's created with powerpoint and uses fonts called alchemy A B and C :-)

@DavidCarlisle -- and the symbol this person is asking for is right there on the page you link to, in the 36-point group. i think you should answer the question. (commercial font, buy it, install it, and use xetex.)

Mary Star

Hello!! I want to tag an equation and then mention this eqation and I wrote the following code:

...μεταβλητών $f$, υπάρχει ένας φυσικός αριθμός $k$ τέτοιος ώστε
\begin{equation}\label{eq:ack}
A(k, \max (x_1, \dots , x_n))>f(x_1, \dots , x_n)\tag{\star}
\end{equation}
για κάθε τιμή των $x_1, \dots , x_n$. Η απόδειξη γίνεται με επαγωγή στον τρόπο κατασκευής της συνάρτησης $f$. Θα χρειαστούμε δύο βοηθητικά λήμματα.

Το πρώτο λήμμα εξασφαλίζει ότι αν οι συναρτήσεις $g_1, \dots , g_m$ και $h$ ικανοποιούν την εξίσωση \eqref{eq:ack}, τότε την ικανοποιεί και η συνάρτηση $f$, η οποία παράγεται με σ…

But the part after \eqref{eq:ack} doesn't appear correctly.

Have I done something wrong??

@barbarabeeton yes done

@MaryStar hard to tell as we can't run that fragment on its own and you didn't say what went wrong.

@MaryStar doesn't \tag{\star} generate an error already before the eqref?

! Missing $ inserted.
<inserted text>
                $
l.37 \end{equation}

@MaryStar I'd expect you to have got the above ^^^

Mary Star

2:55 PM

@DavidCarlisle No...

The following appears:

Το πρώτο λήμμα εξασφαλίζει ότι αν οι συναρτήσεις g1, . . . , gm και h ικανοποιούν την εξίσωση (*), ttethnikanopoiekaihsunr

So do you mean that I should write the following??

\begin{equation}\label{eq:ack}
$A(k, \max (x_1, \dots , x_n))>f(x_1, \dots , x_n)\tag{\star}$
\end{equation}

@DavidCarlisle

@MaryStar you have non standard definition then which you have not shown. But you should look at the log or terminal output not the typeset output, do you really have no error?

\documentclass{article}

\usepackage{amsmath}

\begin{document}


\begin{equation}
aaa\tag{\star}
\end{equation}


\end{document}

@MaryStar the above generates an error

@MaryStar The argument to \tag is processed in text mode, so \tag{$\star$} will do.

@egreg I was going to come to that, once it was confirmed the original did in fact generate an error:-)

@MaryStar And you shouldn't add $ inside equation, which already starts math mode.

\begin{equation}\label{eq:ack}
A(k, \max (x_1, \dots , x_n))>f(x_1, \dots , x_n)\tag{$\star$}
\end{equation}

Mary Star

Ok... Now it works!! Thank you very much!! :-) @egreg @DavidCarlisle

3:02 PM

@MaryStar but check your processing environment, if it is hiding error messages and just showing you whatever typeset result tex makes after recovering, it is doing you no favours. The error messages are intended to be useful!

@egreg It took me a second or two longer for \protect but I had to wait for luatex to cache the font:-)

3:26 PM

@egreg -- i've just sent you mail.

3:42 PM

@DavidCarlisle Can you understand what he wants to do here? With "math operator" does he mean he wants to print the four "+ - * /" at the four edges of a rectangle?

3:53 PM

@barbarabeeton Can you forward it also to the gmail.com address? Same part before @ as the other address. I have problems looking at the other address.

4:05 PM

@Alenanno not really but my understanding of tikz is somewhat vague:-)

@DavidCarlisle Regardless of Tikz, I mean his aim. :P

@Alenanno no:-)

@egreg's a tikz expert he'll sort it out.

@egreg -- done. it seems to have gone through.

5:58 PM

@barbarabeeton I agree with your judgment about some people in that group. I contribute because I feel I can help some young people.

@egreg -- thanks very much.

@DavidCarlisle For your pleasure, I announce that Juventus won the Italian league for the fourth time in a row. :)

Good maen

6:22 PM

@DavidCarlisle Look, another @DavidClark :-)

6:33 PM

@egreg cricket?

David Clark

6:54 PM

@Johannes_B I often get quoted for questions addressed to @DavidCarlisle.

@DavidClark could be tricky. If it was questions addressed to @egreg it would have been easier, just answer: put a % at end of line.

    England:  257 all out
    West Indies:  First innings 140 - for 7 wickets (43.2 overs)

@DavidCarlisle Isn't it boring always playing the same team?

David Clark

7:31 PM

Just as an alternative; is anyone following the snooker?

8:05 PM

@DavidClark Yup

8:20 PM

@egreg only three tests:-)

@DavidCarlisle And this last one is not going very well, I guess.

@egreg was watching snooker but just looked at the scorecard since the above it's all gone wrong, we got them all out for 189 (good), but we are now 17 for 2, which is hmm less than good

@JosephWright been movement on xetex front today...

@DavidCarlisle Yes? I'm on a slow connection until tomorrow pm so may have missed it

@JosephWright (mail loop off list) but Arthur and Jonathan have each got a branch off sourceforge.net/p/xetex/code/ci/master/tree (bug-80 and utf16-issues) attempting to solve the non-bmp problems, neither quite right yet but I've built both (and added another test case to utex:-)

@DavidCarlisle Cool

9:00 PM

Right: the unanswered questions

I'm on a slow connection which keeps dropping out, so ping me with any that need mod action and I'll sort when I can

Q: Command `\global` is unavailable in encoding T1

Unclear

0

After I compiled the .tex by using the bibtex for references, this error command \global is unavailable in encoding T1 appeared and even if I remove the reference in trouble it continues. How can I fix it? The same occurs with error: command \egroup is unavailable in encoding T1 MWE \docu...

bibtex bibliographies

Unclear

1

Q: \widetilde not displayed correctly

I have a problem using \widetilde in my specific LaTeX project environment. I am writing my Ph.D. thesis and am using a university-provided template. I assume that this template is the reason why \widetilde looks like that: I am using the exact same syntax (i.e., $\widetilde{C}$) as I used in p...

templates tilde

@DavidCarlisle Seen the cricket score?

Unclear (non reproducible)

0

Q: Problems in Output pages

When I compiled my file with LaTeX, there are no Errors, 2 warnings, 7 bad boxes, and there are 8 pages of output, but when I open it there is just one page output! so, how to solve this problem? \documentclass[12pt,aps,nofootinbib,pra,amsmath,amssymb, floatfix,notitlepage]{revtex4-1} \usepackag...

compiling output

9:25 PM

Unclear

0

Q: Vanishing text?

I have a document, in which one of the lines in the pdf file is missing all but the first word. The obvious thing to do is try to prepare a minimal example that reproduces the problem. This is not so easy. I can remove all the text after the paragraph that has the issue (except the bibliograph...

debugging

@egreg -- i've just put a comment on an \underhat and \underwidehat about name and orientation. unfortunately, i'm being picked up in 5 minutes, so i can't discuss it now. the canonical unicode practice is to keep the same orientation, not "flip" a diacritic. i'd rather stick with that practice.

@barbarabeeton That's for the OP to think about.

@barbarabeeton Maybe I'll add the non flipped version.

@egreg -- thanks. please do, and cite the unicode convention. i really think this is a situation in which we ought to follow the standard, otherwise things get too confusing.

@JosephWright was watching snooker, 5 down already?

@DavidCarlisle Yes

Q: Unicode char \u8:Â not set up for use with LaTeX with beamer

9:53 PM

Off topic (solved in comments)

0

I receive the following error message Unicode char \u8:Â not set up for use with LaTeX for the following code: \documentclass[compress]{beamer} \usepackage{ngerman} \usepackage[utf8]{inputenc} \usepackage[T1]{fontenc} % wähle Vektorschriften, falls vorhanden \usepackage{textcomp} ...

unicode

Off topic (just $ missing)

0

Q: Getting overfull hbox whenever I use an escaped math symbol

Very new to Latex, and I'm getting an "overfull hbox" error when I try to compile (correct terminolgy?) this line: (AF1) \in \{(R1), (R2), (R3), (R4)\} Which works fine if I get rid of the "\in" character. My research of this error message suggests it only happens with huge complex equations ...

errors symbols

I feel quite lonely in working on the unanswered queue. ;-)

@egreg I'll keep you company (voted)

Q: mdframed error line 96 missing begin{document}

10:15 PM

Too broad: what's asked is the IEEEtrantools manual

0

Q: Examples of IEEEeqnarray

A beginner question: I am struggling to understand the use of column types (r,c,l,R,L,C,v,V etc) in IEEEeqnarray in IEEEtrans class. I am looking for some examples so that I can understand what is meant by gluing of columns and effects of right, left, centering tabbing of columns. thanks

ieeetran

OT (versions of software)

0

All the my MWE, in mdframed.sty error line 96, Missing \begin{document}. I am sure easy to solving but I can't do it. Also I did anyting in related page. Where did I do wrong? Maybe, did I wrong installed package? How do I fix this? ... \DeclareListParser*{\mdf@dolist}{,} <--- mdframed.sty...

packages boxes mdframed

Unclear (not reproducible)

0

Q: Encoding problem: French accents and umlauts are turned into �

I'm editing a large .tex with French and German text where every accent and umlaut was turned into a � in the source file. I have 30200 of this. I know that this file was created on a Mac computer. I received it in a Mac-created .zip and I get this encoding error when I open the document on bot...

incompatibility

Unclear: why should TeX ask to overwrite amsfonts.sty? Probably a bad error by the OP

0

Q: Compiling issue with amsfonts and amssymb

I've been racking my brain for hours about this and am no closer to figuring out how to fix this. Any help would be greatly appreciated. Basically I'm running Texpad and trying to use the packages amsfonts and amssymb. I had this working before, but I'm now getting the following error every time...

errors amssymb texpad amsfonts

Unclear (no MWE)

0

Q: Getting "Missing \endcsname inserted" Error but don't know why

i'm currently working on my master thesis and get always the following error on my first run ./Thesis.tex:4: Missing \endcsname inserted. <to be read again> \endgroup l.4 \begin{document} If i ignore the error, i get the following error on my second run ./Thesis.tex:19: Mi...

errors