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Questions tagged [version-12]

Version-specific issues for Mathematica 12 (other than bugs).

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6 votes
1 answer
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Workaround for SparseArray "ExplicitPositions" in version 12.0

I have some work that utilizes the "ExplicitPositions" property of Sparse Arrays that was at least available starting at version 13.0. However, I am trying to run some of my work on a ...
BioPhysicist's user avatar
  • 1,124
6 votes
5 answers
543 views

Prime factors with multiplicity

This is the function I came up with: Flatten[ConstantArray @@@ FactorInteger[#]] & Is there a way to write this cleaner or point-free? Update: I only have ...
qwr's user avatar
  • 413
3 votes
2 answers
337 views

Aligning two molecules in XYZ format, before v12.3

I have two molecules in "XYZ" format and I want to align them. As I am using Mathematica version 12.0, which does not have this ...
sravankumar perumalla's user avatar
1 vote
0 answers
44 views

What is the syntax for adding code, e.g. LinkWrite[...] to init.m? Version 12.0

I'm trying to use the suggestions for adding menu items discussed here: https://mathematica.stackexchange.com/a/909/44139 When I add ... ...
Steven Thomas Hatton's user avatar
0 votes
1 answer
102 views

How to use map and slot effectively?

I want to change my code from : f[n_, x_] := n Sin[x ] Table[{x, f[0, x], f[1, x], f[2, x], f[3, x]}, {x, -\[Pi], \[Pi],1.0}] // Chop with OUTPUT : ...
user444's user avatar
  • 2,456
8 votes
2 answers
187 views

Graphics3D rendering artifact (objects that should be obscured are partly visible through a triangle)

I have encountered a 3D rendering artifact that's about to drive me crazy. Here's a very minimal example: ...
Hans Lundmark's user avatar
4 votes
1 answer
121 views

Prevent overfitting in Predict function

I know that you can prevent overtraining automatically in a network if you use NetTrain with NetChain in Mathematica version 12, ...
Char's user avatar
  • 539
0 votes
1 answer
118 views

Retain rotate, zoom and pan in Plot3D generated inside a Palette

Consider the following .wl package: ...
tush's user avatar
  • 375
1 vote
1 answer
87 views

About Blue Screen of Windows System after starting Mathematica 12.2/12.1 Win10

After starting Mathematica, My computer will Blue Screen. Mathematica version is 12.2 win10. An error of Win10 shows ...
shrocat's user avatar
  • 189
2 votes
1 answer
131 views

ContourPlot and MeshFunctions issue between versions 11.3 and 12.0

On Mathematica 11.3 This code produces the image below (a set of points that I am then using as a pattern for FindRoot): ...
SuperCiocia's user avatar
  • 1,472
5 votes
1 answer
104 views

Inconsistency in Asymptotic expansion of cylindrical functions

Context I am interested in asymptotic behaviour of Cylindrical functions which are solution to the differential equation $$ y''(x)+(x^2-1)y(x)=0\,. $$ I ask mathematica to find such solutions: ...
chris's user avatar
  • 23k
30 votes
34 answers
8k views

Benchmarking with Mathematica v.12 for up to date comparison across different machines

I am planning to purchase a new computer especially to use for Mathematica programming purposes. Currently, I have MMA v.11. Could someone with Mathematica v.12 run the following benchmarking and ...
5 votes
0 answers
576 views

Does Mathematica 12.0 work on Mac OS 11 (Big Sur)? [closed]

Last month I shared an email that Wolfram sent regarding incompatibility of Mathematica 12.0 with Mac OS 11 (Big Sur). Well, I just upgraded to Big Sur and decided to fire up Mathematica 12.0, to see ...
Zippy The Pinhead's user avatar
2 votes
1 answer
87 views

Trouble evaluating this definite integral, either directly or with indefinite + limits

I have the function $$ \Sigma(x) = \frac{\sqrt{R^2-x^2}(\left| R\right| -1)}{\left(R^2-1\right) \left(x^2-1\right)}+\frac{\tan ^{-1}\left(\frac{\sqrt{R^2-x^2}}{\sqrt{R^2 \left(1-x^2\right)}}\right)-\...
pretzlstyle's user avatar
1 vote
0 answers
114 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? ...
wdacda's user avatar
  • 363
9 votes
1 answer
313 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 ...
Αλέξανδρος Ζεγγ's user avatar
3 votes
0 answers
64 views

PlotRange -> Full giving the same result as with All for version 12.0

I have read all I could about PlotRange, but remain with this bug, and search for a workaround. If I invoke (from the Full help ...
Aharon Naiman's user avatar
1 vote
0 answers
33 views

ImageContents not working on Wolfram Cloud iOS app

I tried using the experimental ImageContents[] function, introduced in MMA 12, on my PC (using Mathematica) as well as on my iPad (using Wolfram Cloud app). On my ...
Subho's user avatar
  • 1,534
4 votes
0 answers
201 views

NBodySimulation: custom pairwise potential

I'm trying to define a Lennard-Jones potential in 2D for NBodySimulation ...
balping's user avatar
  • 438
2 votes
0 answers
57 views

How to get rid of names of functions under functions in MMA 12 frontend?

How to get rid of the smaller names of functions (sinus, pi etc.) under the code? From all notebooks, automatically, forever? $Version "12.0.0 for Microsoft ...
corey979's user avatar
  • 24k
6 votes
0 answers
307 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 ...
xiaohuamao's user avatar
  • 4,728
12 votes
0 answers
271 views

Documentation Creation in Mathematica 12.1

Last year, there was a LiveCEO discussion of refreshing the user-facing documentation creation modules for the next version of Mathematica. Has that made it into the recently released Mathematica 12....
QuantumDot's user avatar
  • 19.7k
0 votes
1 answer
444 views

Mathematica 12.0 and 12.1 [closed]

I am considering whether to download the new version, is all this effort worthwhile, so I would like to know what is the most important difference between versions 12.0 and 12.1?
Dani's user avatar
  • 257
0 votes
0 answers
133 views

Problems with nonalphanumeric characters when exporting to PDF/SVG on Mma 12

It seems that exporting cells containing nonalphanumeric characters to SVG or PDF formats doesn't work as it should in Mma 12 on Linux (Fedora 30). For example ...
vsht's user avatar
  • 3,527
3 votes
1 answer
487 views

Possible bug in version 12 in solving the eigensystem

I would like to report a possible bug in solving the eigensystem, at least for certain matrix. I use version 12 in mac. I will attach the minimal working example below. Excuse me for the improper ...
fagd's user avatar
  • 131
1 vote
0 answers
155 views

Compatibility issues of version 12 with FilterOptions package

In version 12, the code If[$VersionNumber >= 9, FilterOptions[a_, b___] := Sequence @@ FilterRules[{b}, Options[a]], Needs["Utilities`FilterOptions`"]] ...
Michael B. Heaney's user avatar
17 votes
2 answers
381 views

Prevent Mathematica from adding ExpressionUUID to cells [duplicate]

There are some well-known options for preventing the front end from adding "unnecessary" stuff to .nb files when keeping them e.g. in a git repository: CreateCellID,...
vsht's user avatar
  • 3,527
1 vote
1 answer
119 views

Refine Max[#] with assumptions breaks with more elements

Can someone please explain the following phenomenon to me? I am using Refine to evaluate a symbolic Max expression with a ...
niak's user avatar
  • 113
0 votes
2 answers
386 views

CUDA Trouble, MMA12 Quadro RTX 4000

Started this unfortunately as an answer in this question on GPUs under Mma12: previous GPU question, while it should have gone into a new question. I will try to answer questions already posted on the ...
datarimlens's user avatar
4 votes
2 answers
112 views

How to make Information output to initially appear collapsed?

If I say use the following command: Information["EntityFramework`*"] It prints all the matching function from the required context but there is a option to ...
user13892's user avatar
  • 9,443
7 votes
1 answer
573 views

Provide definition to FunctionCompile

I recently upgraded to Mathematica 12, and I've been excited to explore new features such as FunctionCompile, which produces llvm code. I tried compiling the ...
Alecto Irene Perez's user avatar
4 votes
1 answer
242 views

Way around rendering bug for 3D graphics in Mathematica 12

I have some complicated 3D plots that rendered fine in Mathematica 11. With Mathematica 12, however, objects are not drawn in the right order and objects that should be hidden appear in front. This ...
cefstat's user avatar
  • 141
23 votes
0 answers
412 views

Breaking change of Total in Mathematica 12.0?

Total has been changed in Mathematica 12.0. The documentation seems to contradict itself. In one line it states: Total[ $f[ e_1,e_2,...]$ ] gives the sum of the $e_i$ for any head $f$ In the next ...
dnet's user avatar
  • 958
1 vote
0 answers
95 views

Passing custom options to WolframScript file

I have an example of WolframScript file file.wls with the following contents. ...
Pinti's user avatar
  • 6,513
1 vote
2 answers
258 views

How to get proper Callout in BarChart?

Consider the following data. ...
user13892's user avatar
  • 9,443
0 votes
0 answers
94 views

TextContent does not work on my computer

TextContents does not work, returns `TextContents::wlnetcorr2: A required WLNet file is corrupted and could not be loaded. `TextContents::nlpnetmodel: An internal error occurred while loading a ...
Slepecky Mamut's user avatar
6 votes
0 answers
237 views

Can't place PlotLabels with PlotLayout->"Row"

When I try to plot a set of graphs using ListPlot with PlotLayout->{"Row", 4}, and then try to label the plots using ...
Andrei Alexandru's user avatar
2 votes
0 answers
636 views

Any possible explanations for repeated "out-of-the-blue" crashing of Mathematica 12? [closed]

This is a further development in this "saga". After originally asking the question below (which I will delimit with dashes) a number of months ago, I did get a reponse from Wolfram Technical Support:...
Paul B. Slater's user avatar
1 vote
1 answer
455 views

Removing background from text

I have the following plot I'd like to remove the edges of what look like boxes around the text with T's. For example, the $5T_2$ label has a hard edge around it which cuts into the lines. Is there a ...
Bo Johnson's user avatar
0 votes
1 answer
407 views

Plot extends beyond given range

I have the following figure But you can see the lines extend beyond the x value of 30. I'm not sure why this behavior is showing or how I would fix it. Any ideas? Edit: Here's the code I used to ...
Bo Johnson's user avatar
8 votes
0 answers
237 views

Is anything missing from Wolfram Development Platform?

I wanted a license for Mathematica that allows commercial use (as a single user). After doing an awful lot of reading at the Wolfram website, I decided to purchase the Developer license for Wolfram ...
Andrew Norton's user avatar
6 votes
2 answers
296 views

How to set the font color of quantity objects (Version 11.3 vs version 12)?

...
Dimitris's user avatar
  • 4,824
0 votes
1 answer
144 views

Plot3D and PlotStyle in v12

I'm plotting a surface with Plot3D, and I'm using PlotStyle -> Opacity[0.8] to get a little transparency. Unfortunately, this option seems to be getting pushed ...
S. Povolny's user avatar
3 votes
1 answer
1k views

Mathematica 12 books (version 12) [closed]

I have just visited https://www.wolfram.com/books/index.cgi to search for Mathematica related books. For the time being are there any books written or being under preparation that cover the new ...
Dimitris's user avatar
  • 4,824
3 votes
2 answers
230 views

TeXForm errors "TeXForm ofTemplateSlotSequence[1, ] is not supported" and "TeXForm of 0.78492 +1.30714 I is not supported" in 12

Reported to WRI. CASE:4250134 Update: Thanks for the smaller example by Chip Hurst in comment, it seems it comes down to this simpler example ...
Nasser's user avatar
  • 145k
10 votes
1 answer
206 views

What rules determine displaying implicit '×' between products of functions in Mathematica 12?

I noticed if I type sin[x] cos[x] and hit Shift+Return to run it in the Mathematica 12 frontend notebook, a grey '×' character is printed between the functions. ...
QuantumDot's user avatar
  • 19.7k
10 votes
2 answers
763 views

Vertical ranges of Column in ListLinePlot in 12

Version 12 includes a new Layout->Column option for ListPlot which aligns multiple plots so they share a single horizontal axis. It seemed really useful at first....
David Keith's user avatar
  • 4,604
4 votes
0 answers
495 views

Version 12 Documentation bugs [closed]

Not a question but would like to ask if anyone else has installed version 12 of the wolfram language and found links missing or pointing in the wrong direction on the guide pages. For example, on <...
user13892's user avatar
  • 9,443
9 votes
3 answers
558 views

New things and limitations in Version 12 numerical differential equation solver?

This question is intended to be a place to summarize users' exemplary experience in solving differential equation with the NDSolve family in MMA’s latest version 12....
xiaohuamao's user avatar
  • 4,728
3 votes
0 answers
298 views

Mathematica 12.0.0 crashes on second 'Quit[]'

I am trying to develop a module, and run 'Quit[]' from within a cell in a notebook to clear all symbols before reloading the module that I have modified. The second time I do this after starting ...
qman's user avatar
  • 181