Questions tagged [bugs]

This tag is reserved for questions where the problem has been vetted by this community and the observed behavior is confirmed to be a bug. Please do not use this tag for new questions. Please use the standard bugs header instead of version tags in conjunction with this tag.

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5
votes
1answer
86 views

Weird Export of .M4A format

When Exporting .M4A format audio, the duration is always 1. It seems that the audio is fast-forward played... Is that a bug and how can I fix it? Sample code: ...
4
votes
4answers
171 views

Volume of HexahedronElement with non-coplanar faces

Bug fixed in Version 12.0 I would like to calculate the volume of ElementMesh made of HexahedronElement. Even though ...
6
votes
1answer
119 views

Why does FindClusters put closer points into different clusters?

Bug introduced in 11.3 or earlier and persisting through 12.0 Bug isn't present in version 8.0.4 I am trying to do clustering and then obtained a plot as below:- ...
3
votes
0answers
126 views

Issues with the series expansion of Nielsen generalized polylogarithms in Mathematica 11.3

In Mathematica 9, 10.3 and 11.0 I can easily expand PolyLog[2, 2, x] around $x=1$ using ...
3
votes
1answer
220 views

Bug: Wrong limit in Mathematica 11.1.1 and current WolframAlpha

Bug introduced around 11.1.1 and fixed in 11.2 ...
10
votes
0answers
116 views

'Visibility' of Dynamics in TabView with respect to SynchronousUpdating

Bug introduced in 11 or earlier and persisting through 12.0.0 CASE:4076464 Example 1 ...
5
votes
1answer
71 views

Precision-related error in Audio

Bug introduced in 11.3 or earlier CASE:4075745 I have been experimenting with using Audio and associated functions for data acquisition using an external sound ...
12
votes
1answer
163 views

“Boundary” thickness in HighlightImage

Bug introduced in 11 or earlier and persisting through 11.3 CASE:4076121 I'm having a hard time to understand how I can use HighlightImage and only draw the ...
10
votes
0answers
160 views

PatternSequence, Optional and _Symbol

Bug introduced in 9.0 or earlier, partially fixed in 10.1 and persisting through 11.3 [CASE: 4075992] confirmed Note: See (72290) for the fixed part of the bug. Consider the following example: <...
18
votes
2answers
287 views

Why this weird return value from `N`?

Bug introduced in 11.3 and fixed in 12.0. Why does N just return the exact number below? I want a 2000 digit approximation... ...
14
votes
1answer
284 views

Nested Table + GetElement in C-compiled function crashes kernel

Bug introduced in 8.0. [CASE:4075198] Using a nested Table and then Compile`GetElement crashes my kernel when I run a function ...
8
votes
0answers
166 views

FindShortestTour causes kernel crash

I have contacted support, CASE:4075709 UPDATE I have received reply from wolfram support. They have confirmed that this is indeed a bug. There are lots of sets of data that can cause the Kernel to ...
3
votes
3answers
1k views

How to solve this trigonometric system? [closed]

Namely, $$\left\{\left(\tan ^2\left(x-\frac{\pi }{3}\right)+\tan ^2\left(y+\frac{\pi }{6}\right)\right) (\sin (x)+\cos (y)-1)=0,\\ (\sin (y)-\sin (2 y)+2) (\sin (x)-\cos (y))=0,\\x\geq 0,x<2 \pi ,...
6
votes
1answer
85 views

Issue related to BoundaryDiscretizeGraphics

Bug introduced in 11.3 I was revisiting an earlier problem of mine related to designing 3D objects with extruded text for 3D printing. The accepted answer no longer works in V11.3 if a certain ...
4
votes
0answers
71 views

Choices with labels in Manipulate: is this a bug?

Bug introduced in 10.0 or earlier and persisting through 11.3 The following control form is documented for Manipulate: If I evaluate ...
11
votes
1answer
97 views

Precedence of cell group tokens over package's expressions

Bug introduced in V10.4 or earlier and persisting through V11.3 [CASE:4072996] ...
5
votes
1answer
62 views

CreateNotebook[“Testing”] writes all TaggingRules to the notebook

Bug introduced in V11.2 or earlier and persisting through V11.3 CASE:4072649 Some of notebook types generate notebooks with TaggingRules for their purposes: <...
8
votes
0answers
97 views

ListPlot does not plot Labeled data under some conditions

I don't understand the following behaviour I'm seeing with ListPlot and Labeled. It seems like a bug to me, but I'm wondering if ...
2
votes
0answers
67 views

a RegionPlot bug in v11.2

...
2
votes
1answer
48 views

VectorDensityPlot options for vector style not working if vector field includes replacement rules

I am trying to modify the thickness, color, style, etc. of vectors in a VectorDensityPlot. After some testing, I realised my problem was caused by having: Replacement rules in the vector field ...
1
vote
0answers
78 views

Adding a comment inside Piecewise affects box parsing

Adding a comment in Piecewise affects how underlying box structure is being parsed (see the screenshot). I use Mathematica 11.3 on Linux.
3
votes
0answers
115 views

Is it possible to get the original number from DecimalForm?

Bug introduced in 5.2 or earlier and persisting through 12.0 [CASE:4315787] Wrong behavior of NumberForm (DecimalForm outputs ...
3
votes
1answer
137 views

Weird behavior of two Prime symbols in package

I discovered some very strange behavior, which leads to strange errors. Hope you can explain it for me. It might be a bug. So, i created a package, where i prepare set of equations to use in NDSolve. ...
10
votes
0answers
99 views

Why does the kernel quit if I want to use minus a sum that I converted from a list?

Using Mathematica 11 when I define a list yy = {x*43, 32*y}; and then convert it to a sum yy[[0]] = Plus; yy I get, as ...
6
votes
1answer
169 views

Kernel crash with RandomInteger

Bug introduced in 11.2 I am using RandomInteger to create sorted test data in the following way: lists = Sort /@ RandomInteger[10000, {10, 200000}]; With ...
4
votes
0answers
82 views

Arrow @ Tube does not work with Dynamic coordinates

Bug introduced in V10.0 or earlier and persisting through V11.3 CASE:4063244 Arrow @ Tube @ {Dynamic @ pt1, pt2} does not seem to work. I'd expect the opposite ...
6
votes
1answer
155 views

Code in separate cells causes a kernel crash [duplicate]

Bug introduced in 11.2 If I put the following code in separate cells the Kernel crashes (dies). If I put them together in the same cell it works fine. Version 11.3.0 for Windows. ...
3
votes
1answer
82 views

Evaluate generated notebook and show it when done

Bug introduced in V11.1 or earlier and persists through V11.3 [CASE:4061569], confirmed (bug is described below) Goal My goal is the following: Create a notebook programmatically, while ...
1
vote
0answers
58 views

Cell style inheritance and specifying the same style twice [duplicate]

Bug introduced in V11.1 or earlier and persists through V11.3 [CASE:4061571], confirmed Consider the following three examples of a cell: ...
5
votes
0answers
75 views

Nested explicit StyleDefinitions not working

Bug introduced in 10.0.2 or earlier and persists through 11.3 [CASE:4061425], confirmed TL;DR; How can I add a style definition to a notebook with existing, arbitrary ...
2
votes
0answers
39 views

TooltipLabel issue with BarChart3D

Need a workaround so I can plot a tool tip that provides the bar height and in the same tool tip also gives the parts of the dataset that created the bar in ...
16
votes
0answers
238 views

GridGraph[{6,6,6}] crashes—can you reproduce this?

Bug introduced in 11.3 and fixed in 12.0 Occasionally, I see a kernel crash with GridGraph[{6,6,6}]. It is not easy to trigger. Sometimes it may require as many ...
8
votes
2answers
123 views

Why does VertexComponent not return all vertices at distance <= 3?

Bug introduced in 10.0 or earlier and fixed in 12.0 Take the following triangle lattice graph (see edges definition below): ...
7
votes
3answers
348 views

RandomPoint doesn't seem to work

I define a very simple sphere in 3D as follows: ℛ = ImplicitRegion[(x - 2)^2 + (y - 3)^2 + (z - 8)^2 == 1, {x, y, z}]; Now when I try to sample some 500 points ...
7
votes
1answer
154 views

How to make animated gif file play once in 11.3?

There is similar question here exporting-animated-gifs-animationrepetitions-1-doesnt-work But the accepted answer there no longer works in 11.3, which is to use ...
7
votes
1answer
143 views

Bug in Mathematica 11.2 WSTP onwards - wstp.h defines only MLEvaluateString?

Bug introduced in 11.2 and persisting through 11.3 I maintain a C++ library with a WSTP interface to Mathematica. Some of my users have noticed that in Mathematica versions 11.2 and 11.3, they see a ...
4
votes
1answer
99 views

ConvexHull peculiar behaviour - bug? (Definitely not a feature)

I ran in the last few days into a problem which I was afraid I couldn't solve: I use a set of 12 points in 3D to define a region and test whether and if how many other points lie inside this region. I ...
1
vote
0answers
70 views

Rasterize: Work around ImageFormattingWidth being broken

Bug introduced in 11.1 or earilier and persisting through 11.3 Confirmed: CASE:4041910 Update The behavior described below only occurs inside the Documentation notebook or for cells with certain ...
4
votes
1answer
213 views

When to trust Series

I want to evaluate this function near x=1: ...
7
votes
1answer
118 views

AbortKernels, CloseKernels may crash Mathematica

Let us start with a variant of an example in the documentation of AbortKernels. We launch four subkernels: LaunchKernels[4]; ...
17
votes
0answers
462 views

Wrong eigenvalues from a sparse matrix

Bug introduced after 5.0, in or before 8.0 and persisting through 12.0. I notice in the following example that wrong smallest 2 eigenvalues are resulted if calculating from a sparse matrix. But it ...
12
votes
2answers
234 views

Surprising interaction of DistributeDefinition and ParallelNeeds in 11.3

Bug introduced in 11.3.0 (CASE:4039452) I believe I am seeing a new sort of behavior around some parallel functionality in Mathematica 11.3, because code that used to function properly in earlier ...
15
votes
0answers
318 views

New issue or new setting(s) of Goodness-of-Fit Tests in 11.3@student edition

Bug introduced in 11.3 or earlier and persisting through 11.3.0 or later Just before upgrading to 11.3.0 on last Friday, i was having p-value results from 11.2.0. Not worrying about upgrade may ...
9
votes
3answers
349 views

SingularValueDecomposition causes kernel crash in 11.3

Bug introduced in 11.3 or earlier and persisting through 11.3 or later test = Table[RandomReal[{-2, 2}], {3600}, {11}]; Dimensions[test] {3600, 11} Calling <...
0
votes
1answer
71 views

MMA11.3 - PlotLegends - bug? [duplicate]

...
6
votes
3answers
227 views

ListPolarPlot broken by PlotMarkers & Joined

Bug introduced in 11.2 and fixed in 12.0 [CASE: 4033672] confirmed Update I have created a fix for this issue, which can be found in my answer below. Note This issue (in an even worse form) ...
40
votes
4answers
1k views

Some indefinite integrals evaluate in 11.2 but not in 11.3 - what can be done?

Bug introduced in 11.3 and fixed in 12.0.0 Reported to Wolfram: [CASE:4032137] These integrals evaluate in version 11.2 on windows but when I tried them under version 11.3 they returned unevaluated.,...
9
votes
0answers
111 views

What does DSolve`DsolveLaplaceTransformDump` mean in solution of DSolve?

Reported to Wolfram with CASE number 4028951 on 11.3, ...
10
votes
1answer
204 views

Different behaviour of `DateRange` between 11.2 and 11.3

Bug introduced in 11.3 and fixed in 12.0. CASE:4028568 ...
4
votes
3answers
251 views

PlotLegend frame disappears during Export

Bug introduced in 11.2 or earlier and persisting through 12.0 I placed a framed PlotLegend and it works just fine in the notebook, but after exported to ...