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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.

6
votes
2answers
60 views

GraphDistance error when Graph vertices are Associations

Bug introduced in 10.0 or earlier and persisting through 11.3 Here is a nice graph whose vertices are Associations: ...
3
votes
2answers
94 views
14
votes
4answers
246 views

Terrible accuracy of DawsonF

DawsonF[30.] returns 0. The correct value is 0.016676... At least it prints a warning message, ...
4
votes
0answers
80 views

DSolve, NDSolve with WhenEvent Give Incorrect Solution for Simple ODE

NDSolve Results On the course of addressing question 181974, I encountered the following problem. ...
4
votes
0answers
80 views

Is there any place where all current Mathematica bugs are listed? [duplicate]

It will be nice to be aware of bugs that the current version of Mathematica has. Is there any place where all current Mathematica bugs are listed?
3
votes
0answers
92 views

Non-determinstic kernel crash when manipulating large expressions in Mathematica 11.3

I have a encountered a very weird behavior of Mathematica 11.3 when collecting and factoring large expressions. To be more precise, such operations often lead to an abrupt kernel crash, but the ...
3
votes
0answers
52 views

WSGetUTF8Function missing in WSTP DLL

Bug introduced in 10.0 and persisting through 11.3.0 Note: MLGetUTF8Function is new in 10.0 (ML interface 4). Despite being in docs and ...
1
vote
1answer
71 views

Benchmarking problem in V11.3 on Win7/10 X64 [closed]

I am the guy that likes to use BenchmarkReport[],see here for example. I noticed this loooong time ago after 11.3 was released, but never reported it. I wonder if ...
6
votes
0answers
120 views

DSolve Returns Incorrect Solutions for First-Order ODE

Bug introduced in 10.4 or earlier and persisting through 11.3. Reported to Wolfram Technical Support as CASE:4150361. Fifty-one DSolve questions on this site are ...
12
votes
1answer
153 views

Exporting graph object for later use

We are planning to analyze geometry of artery branch pattern. We convert the binarized image into graph object using MorphologicalGraph[]. To avoid the complexity ...
7
votes
1answer
300 views

What does the syntax C[1][x][y] mean?

I am examining an integrability condition, $$u_{3,122}=u_{3,123}.$$ Typing DSolve[D[u3[x1,x2,x3],x1,x2,x2]==D[u3[x1,x2,x3],x1,x2,x3],u3,{x1,x2,x3}] it into MMA ...
8
votes
2answers
259 views

Confused about the solution obtained from vector linearization

I am trying to linearize a vector expression $$\frac{(\mathbf{u}+d\mathbf{u})\times(\mathbf{v}+d\mathbf{v})}{\vert(\mathbf{u}+d\mathbf{u})\times(\mathbf{v}+d\mathbf{v})\vert}$$ Here is my code ...
10
votes
3answers
191 views

RegionMember[ ] in polygon

I am seeing a difference in RegionMember[ ] testing a point inside a 3-vertex polygon and testing a point inside a more complex polygon: ...
4
votes
1answer
82 views

3D arrow head not at the end of the shaft

Why when I use: Graphics3D[{Red, Arrowheads[0.1],Arrow[Tube[{{1, 1, -1}, {2, 2, 0}, {3, 3, -1}, {4, 4, 0}}, 0.05]]}] which I copied from the wolfram website the ...
5
votes
2answers
99 views

Unable to evaluate Eigenvalues and Eigenvectors for a matrix

I have the following 3X3 matrix M and I wish to find its eigenvectors and eigenvalues ...
4
votes
1answer
113 views

How to use Glow in ParametricPlot3D

I get the output that I need from ...
2
votes
1answer
59 views

When PlotRangePadding is provided with Scaled[] and the lower limit is non-negative, xmin for the tick mark function is wrong

For things like Plot, tick marks can be provided as a function (see Ticks), which will be given the values of the minimum and maximum ends of the respective axis or ...
6
votes
1answer
90 views

Bug in ListPlot: Duplicate markers (one list containing ``Infinity``)

simple plot of two lists, of which one contains infinity (markers are slightly shifted): ...
3
votes
1answer
125 views

Log transformed histogram distribution

Bug introduced in 11.0.1 or earlier and persisting through 11.3.0 or later I try to get a Log transformed histogram data I get from a different program ...
2
votes
2answers
79 views

Incorrect result for the region of convergence of a simple integral

Bug persisting at least through version 11.3.0 The standard Gaussian integral Integrate[Exp[-a x^2], {x,-Infinity,Infinity}] returns ...
4
votes
0answers
54 views

Problems with Failure in Testing Notebooks

This always fails the test: Failure["General", <|"MessageTemplate" -> "`1`", "MessageParameters" -> {foo}|>] While this passes as expected: ...
7
votes
2answers
140 views

Issue with FrameTick marks in Mathematica 11.3

Bug introduced in 11.3 or earlier For a while I have been using the same code to make figures with tickmarks pointing out from the axes away from the center of the figure. Recently I noticed that in ...
4
votes
1answer
97 views

possible bug with Limit

Evaluate this limit analytically Limit[Sum[Sqrt[1 + i^2/n^2]/n, {i, n}], n -> Infinity] Mathematica 11.3 gives 0. But ...
12
votes
4answers
197 views

Set pixel aspect ratio?

Bug probably present through all versions of Mathematica [CASE:4081592] Does Mathematica have a feature to set the pixel aspect ratio of 2D images? For example, ...
5
votes
1answer
67 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: ...
3
votes
0answers
95 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
178 views

Bug: Wrong limit in Mathematica 11.1.1 and current WolframAlpha

Bug introduced around 11.1.1 and fixed in 11.2 ...
9
votes
0answers
90 views

'Visibility' of Dynamics in TabView with respect to SynchronousUpdating

Bug introduced in V11 or earlier and persisting through 11.3 CASE:4076464 Here is a code example: ...
5
votes
1answer
66 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 ...
11
votes
1answer
132 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
107 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
240 views

Why this weird return value from `N`?

Bug introduced in 11.3. Why does N just return the exact number below? I want a 2000 digit approximation... ...
14
votes
1answer
246 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
137 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
4answers
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
65 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
67 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
93 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
51 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
76 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
61 views

a RegionPlot bug in v11.2

...
2
votes
1answer
36 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
74 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
1answer
93 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
94 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
119 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
58 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
134 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
67 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 ...