Questions tagged [version-12.1]

Version-specific issues for Mathematica 12.1 (other than bugs).

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3
votes
2answers
114 views

Degenerate arrows/points in StreamPlot

Drawing a StreamPlot of a linear dynamical system: ...
1
vote
0answers
27 views
10
votes
0answers
138 views

Graphics3D quality degradation when rotating since Mathematica 12.1

Anti-aliasing is no longer effective when I rotate 3D graphics with mouse, this problem was introduced since version 12.1. I don't like this feature, I tried to modify the render engine, found that ...
5
votes
0answers
43 views

How to revert behavior of SeriesData to pre 12.1

In Mathematica 12.0 and earlier, SeriesData[x, 0, {1/u + Log[x/y]}, 0, 3, 1] used to preserve its list of expressions in the form it was given. Now, in ...
3
votes
0answers
43 views

Behavior of $MinPrecision seems to have changed between 12.0.0 and 12.1.1

I am running into a very weird bug where setting $MinPrecision to some value (in this case 200) has a very different and ...
1
vote
1answer
64 views

VectorPlot and VectorPlot3D showing blank output

I am trying to plot the following simple vector field $$\sqrt{4-x^2-y^2-z^2}*(y,-x,0)$$ but when I plug this field into the functions VectorPlot and ...
0
votes
1answer
61 views

Mathematica 12.1 is treating all my cells as raw texts by default

I was once using Mathematica 11 it all works fine - when I create new Notebook (.nb) input like 1+1 and press shift+...
1
vote
0answers
105 views

Why different behavior of Mathematica 12.0 and 12.1.1 on this command? [closed]

Why different behavior of Mathematica 12.0 and 12.1.1 on this command? ...
3
votes
2answers
147 views

Increase the display quality 3D plot tick marks and labels

I can get crisp, anti-aliased 2D plots but not 3D. Anti-aliasing is set to 1 in Graphics options. In the Documentation center, 3D plots look good when I open it, especially the ticks and tick labels ...
8
votes
1answer
210 views

Kernel starts up very slowly on Linux

V 12.1.1, starting a kernel, e.g. by entering wolframscript in the shell, takes an unexpectedly long time (~5 min, the time elapsed between pressing Enter and the ...
3
votes
1answer
130 views

Different build numbers for the same Mathematica version

Recently I downloaded a trial version of Mathematica 12.1.1 installation package for linux. Some time afterwards I had to download the same package again, and then I noticed that the package's md5 sum ...
2
votes
0answers
218 views

Uninstall one of few Mathematica versions on Linux

I currently have Mathematica 11.3 and 12.0 installed on Ubuntu 20.04. I just downloaded Mathematica 12.1.1 and would like to remove 12.0 and install 12.1.1, while still keeping 11.3. The instructions ...
9
votes
1answer
893 views

Release Notes for 12.1.1

I've just received an email informing me that 12.1.1 is available. I can't see any release notes for this. Are there any? Is there any information on what's been fixed?
9
votes
3answers
631 views

Opacity in Mathematica 12.1 not working properly

In Mathematica 12.1 if I try use Opacity less than 1, it does not work. ...
3
votes
0answers
57 views

How to fit the image in the filling region?

Consider the following fillings: ...
4
votes
1answer
170 views

Problem with Rubi` and paclets in Version 12.1?

A recent Quora post on computing an integral used the Integral Calculator, the interface and display of which I found somewhat impressive. So I thought that I'd try the same computation in Rubi so as ...
1
vote
0answers
62 views

Mathematica 12.1 dialog after closing “vibrates” [closed]

I have installed Mathematica 12.1 on my Linux - Manjaro KDE 20.0, KDE Plasma version 5.18.4, KDE frameworks version 5.69.0, QT version 5.14.2. The dialog box which appears after I close any notebook ...
0
votes
1answer
165 views

QT scaling settings in Mathematica 12.1 on Linux

On my Linux (Manjaro KDE, QT version 5.14.2) machine with 1920 x 1080 screen resolution machine, if I launch Mathematica 12.1 from the terminal using the following commands, the notebook and window ...
8
votes
1answer
145 views

How to do conditional coloring in dataset using new 12.1 functionality?

For the first part of this question consider the following dataset as an example: ...
10
votes
0answers
216 views

Why is Product[1 + 1/k^5, {k, 1, Infinity}] equal to zero in 12.1?

In all versions up to 12.0 it is ...
3
votes
1answer
138 views

Incomplete path when using NotebookDirectory[] in ver 12.1.0 and Dropbox

I just upgraded from version 11.3.0 to version 12.1.0 and I am struggling with the directory of my .nb file. Usually I start all my .nb with ...
1
vote
0answers
32 views

Unexpected warnings issued by ListPointPlot3D when trying to make a plotting with labels (a potential bug)

I was making a very simple plotting with code below: ...
6
votes
1answer
136 views

These indefinite integrals evaluate in 12.0 but not in 12.1 - what can be done?

The following two integrals evaluate OK in version 12.0 on windows 10 but when I tried them again under version 12.1 on the same PC they no longer evaluate. Why does this happen and what to do to ...
8
votes
2answers
229 views

V12.1 shows extra space using BarChart3D compared to V12

V 12.1 on windows 10 shows extra space above and below BarChart3D compared to V 12 using the same code. I'like to put a label above this one below, but the space ...
2
votes
0answers
235 views

Kernel crash after repeated use of NDSolve

I am trying to solve the Einstein-Klein-Gordon system (equations below) for different piecewise potentials but the kernel keeps crashing after repeated use of NDSolve. Apparently, everything works ...
2
votes
2answers
375 views

Couldn't load OpenSSL library in 12.1 (Windows)

Update: Finally I found a clumsy way to solve this bug by myself: I created an alternate local kernel to run the code, and it surprisingly works out! It is ridiculous that two local kernels contain ...
2
votes
0answers
39 views

Is there a better way to space ChartLabels?

I am looking for a better way to specify the spacing between ChartLabels when using BarChart. My current implementation uses ...
3
votes
0answers
120 views

Image looks blurry in version 12.1

Case 1 When I use screenshot software screenshot and paste into Mathematica notebook interface, the size of the image looks small and hard to adjust. Case 2 When I rasterize Graphics object ...
6
votes
0answers
287 views

Plotting severely distorted in V12.1 but works in V12

The following code can plot a surface in 3D (the plot) and also makes a row of two plots using ...
6
votes
0answers
689 views

Mathematica 12.1 highly unstable?

I just "upgraded" to Mathematica 12.1 hoping to address the fact that Export[] would crash the front end Mathematica in 11.3 whenever I would attempt to export a plot to file regardless of file ...
60
votes
2answers
3k views

User interface Mathematica 12.1 terribly slow

I installed Mathematica 12.1 a few days ago and now I experience a serious speed slow down. When working with datasets for example Mathematica is close to be unusable. Even in the help systems it ...
13
votes
1answer
240 views

How can I get a nice progress indicator for video processing when working in a standalone kernel?

When doing video processing, for example exporting an mp4, in the FE, I get a nice progress indicator with various estimates. How can I get one in the standalone kernel?
10
votes
5answers
422 views

How to increase the font size in Context-Sensitive Autocompletion?

Today I just upgrade my Mathematica to 12.1 under Ubuntu 19.04. Everything works fine but the font size is too small. As a result, I set the zoom level to 150%. Even though the font in the editor ...
16
votes
1answer
369 views

Is there a place where Wolfram Research announces breaking changes for new releases?

Mathematica Version 12.1 has introduced numerous breaking changes (as far as my code base is concerned). Here is a simple example: ...
21
votes
1answer
364 views

Series vs Asymptotic in 12.1

The functionality of Series and Asymptotic (new in V12.1) is very similar. In fact, they are both listed in the Asymptotics ...