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user147238
00:21
When launching Mathematica (versions 10.1, 10.2, 10.3.1, 10.4.1 and 11.0.1, Win 8.1, 64 bits), there is the "Welcome to Wolfram Mathematica" window that appears (the one where you get for instances the tabs "Documentation", "Wolfram Community" and "Resources")
user147238
If I type a number, I have the pink message window that pops up and displays a message.
user147238
For instance, typing 1, I get: Part::partw: Part -1 of {} does not exist. >>
user147238
Anyone else is having this?
user147238
(versions mentioned are the versions I tested where this behavior occurs)
user147238
I get no message when typing 7, 8 or 9...
xzczd
xzczd
03:30
Seems that my 100 reputation will go with wind 囧: mathematica.stackexchange.com/q/129449/1871
 
10 hours later…
Jacccy
Jacccy
13:40
Hi everybody,
I have a pulse with following data:
Pulsdata={{194.871796, 0.147094727}, {195.115997, 0.147399902}, {195.360199,
0.148010254}, {195.604401, 0.147399902}, {195.848602,
1.27319336}, {196.092789, 3.92425537}, {196.33699,
0.147094727}, {196.581192, 0.147094727}, {196.825394,
0.147705078}, {197.069595, 0.147094727}, {197.313797, 0.146789551}}

And I have measured data:
Measured={{194.871796, -0.0100708008}, {195.115997, -0.00946044922},
{195.360199, -0.00885009766}, {195.604401, -0.0100708008},
user129412
user129412
14:37
I'm not completely sure how to phrase it, but I was wondering if someone knows how to have your frame ticks start/end at the position of the coordinate it is tied to, not centered at. As in, in this picture i.imgur.com/VceDM4f.png you see that 6.1 and 6.45 fall outside of the frame range; I'd rather not have that
Szabolcs
Szabolcs
15:30
@user129412 I don't think this is possible without hacks like adding invisible padding mathematica.stackexchange.com/questions/19461/…
user129412
user129412
15:47
@Szabolcs Hm.. Less than desirable. Thanks though!
bobthechemist
bobthechemist
Is there a way in v9 to create a plot where the plotarea is one color but the area outside the plot (where the tick labels and axes/frame labels reside) is another? I don't recall how these two regions are identified in M.
Szabolcs
Szabolcs
16:10
27
A: Changing the background color of the framed region of a plot

Eli LanseyYou can use the Prolog option with Scaled coordinates: Plot[Sin[x], {x, 0, 2 \[Pi]}, Frame -> True, Prolog -> {LightGray, Rectangle[Scaled[{0, 0}], Scaled[{1, 1}]]} ] Note: Using scaled coordinates lets this work for any PlotRangePadding, and with PlotRangePadding->False: Plot[Sin[x], {x, ...

bobthechemist
bobthechemist
@Szabolcs I knew it was out there somewhere - thanks.
 
3 hours later…
Szabolcs
Szabolcs
19:03
@Chip I have colleagues who study vision (phsychophysics). They are thinking about looking at 3D perception. THey want various unrecognizable shapes seen from different angles and different lighting. They are not sure what is the best kind of shape, but a common theme that keeps coming back is that often is should be smoothed, with no hard edges.
There were two kinds of popular shapes: a 3D "shapeless" amoeba with gentle curves. This can e.g. be done by taking balls and smoothing them. But I have several contour plots to try too. The other is simple geometrical things such as cones, bricks, cylinders, spheres put together randomly and slightly smoothed.
Chip Hurst
Chip Hurst
@Szabolcs I see, sounds interesting. If you're only interested in the final shape, it might be better to smooth out a formula region rather than start from a mesh. For example, that cone+cuboid would probably smooth out nicer with my code starting from a non discretized region.
Szabolcs
Szabolcs
@ChipHurst Yes, exactly.

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