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Questions tagged [version-13.1]

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14 votes
1 answer
298 views

The last syntax of `ParametricPlot3D` seems broken in V13.x

Bug introduced in 13.0 and have been fixed in 13.2.1 . It seems not to work properly to use ParametricPlot3D with parameters specified in a two-dimensional ...
Αλέξανδρος Ζεγγ's user avatar
1 vote
2 answers
134 views

Why does Mathematica fail to simplify a simple expression involving principal square roots?

I expect Mathematica 13.1 to evaluate the following expression to True, but it fails to do that: ...
dened's user avatar
  • 121
7 votes
2 answers
142 views

Why does DSolve spit out Part::partw warning?

Bug introduced in 13.1. and fixed in V 13.2.1 Submitted to WRI. CASE ID [CASE:4975479]. I was looking at this question. In V 13.1 I get an internal error which the above question does not mention ...
Nasser's user avatar
  • 146k
2 votes
1 answer
220 views

Shift + Esc in Mathematica 13.1

In the previous versions of Mathematica shiftesc is just interpreted as esc. This is quite convenient for me because, for example, capital Greek letters can be typed by keeping shift down and pressing ...
MannyC's user avatar
  • 810
8 votes
3 answers
692 views

Touchpad rough scrolling in version 13.1 linux?

I changed from windows to linux (arch linux, endeavouros, kde, x11 (but wayland was not better)) and simultaneously from version 13 to version 13.1 and the scrolling is rather difficult with the touch-...
userrandrand's user avatar
  • 5,937
5 votes
1 answer
115 views

Reduce granularity and remove options from a DateObject

I have a DateObject with lots of granularity and additional specifications, such as the following e.g.: ...
IntroductionToProbability's user avatar
4 votes
0 answers
129 views

Saving with many cells freezes in V13.1 and freezing time depends on the location of file

Update Ok, I got it with reproducible example. It turns out size is not the issue, number of cells is. First, let us programmatically generates a lot cells according to this post. Basically, 3000 ...
matheorem's user avatar
  • 17.2k
2 votes
1 answer
143 views

Type Confusion in v13.1.0

Below is an expression that (for me) evaluates differently on the two most recent versions of Mathematica. Can others confirm this? It’s either a bug in v13.1.0, or my installation is faulty (which I ...
James Stein's user avatar
23 votes
1 answer
1k views

Why did the Mathematica installer delete all my files?

So I was installing the new 13.1 doc on Linux. Somehow during the process, I decided to stop the operation. And the next thing I knew was that the complete folder where the .sh file was there was ...
BabaYaga's user avatar
  • 1,897
2 votes
1 answer
535 views

Revert new keyboard shortcut for fraction typesetting

After updating to version 13.1 on macOS 12.4, I discovered that the keyboard shortcut for typesetting a fraction (Insert > Typesetting > Fraction) has changed. In previous versions, the shortcut ...
imas145's user avatar
  • 998
19 votes
3 answers
580 views

DSolve in V 13.1 hangs on many ode's when using IncludeSingularSolutions->True. How to work around this?

V 13.1 introduced the option IncludeSingularSolutions When trying it, so far I have found over 250 ode's which hangs when using this option. First and second order. At the bottom I've put a link to ...
Nasser's user avatar
  • 146k
11 votes
1 answer
326 views

IntegrateChangeVariables producing incorrect result

Bug introduced in 13.1. and persisting through 14.0 Consider the simple quadratic function: ClearAll[f]; f[x_]:=x^2; Now let's set up the two identical integrals: ...
user13892's user avatar
  • 9,483