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.

Filter by
Sorted by
Tagged with
4
votes
0answers
37 views

HatchFilling becomes gray for small aspect ratio Rectangles

I am trying to use the new to version 12.1 graphics directive HatchFilling. Here is an example: ...
3
votes
0answers
43 views

Does AroundReplace work with Quantity?

When I try to use AroundReplace with units it issues Around::compat message and outputs something strange: ...
0
votes
0answers
24 views

Unknown Box Name (ToBoxes) Error

I'm getting the following error in Mathematica What is going on? How do I avoid such an error? In order to roughly understand how I'm getting this error, here is a bit of context: I'm using ...
2
votes
3answers
97 views

Incorrect limit in complex quantity

I have the following quantity $$ f = \frac{\exp(\sqrt{-k^2-i\epsilon}d)}{\sqrt{-k^2-i\epsilon}} $$ and form the limit as $\epsilon\to0$. Mathematica does not produce the correct result. Code: <...
2
votes
1answer
55 views

Why does PageBreakAbove / PageBreakBelow not work here?

Bug introduced in 12.0 or earlier and persisting through 12.1 Create a notebook having interspersed cells of figures and text: ...
13
votes
1answer
289 views

VideoPlay crashes the Kernel with Mathematica 12.1

I'm using Mathematica 12.1 on windows 10 (Microsoft Windows [Version 10.0.16299.1686]) When going to the Help file about VideoPlay I tried the standard example and it crashes the Kernel. For me it'...
3
votes
1answer
116 views

SemanticImport vs Import differ on same CSV file?

Using WL 12.1.0. Is SemanticImport caching data somewhere? I did this SemanticImport for the first time, yesterday. Worked fine. ...
9
votes
2answers
197 views

FEM Mesh related errors

Bug introduced in 12.0. Fixed in 12.1.0. I try to solve the simple heat transfer equation but there are some errors at the stage of the pre-processing. ...
2
votes
2answers
81 views

Bug in WebExecute TypeElement with diacritics characters

When using WebExecute TypeElement, I get $Failed if I have a diacritics character in the ...
8
votes
2answers
203 views

Unexpected 'switch' of partial derivatives when differentiating InterpolatingFunction

Bug introduced in 11.3 or earlier and persisting through 12.1.0 or later In short, there is a simple initial boundary-value problem for which NDSolveValue produces an InterpolatingFunction ...
5
votes
1answer
178 views

Why do the Integrate and NIntegrate give different results?

Bug introduced in 12.0 or earlier and persisting through 12.0.0 or later I'm using Mathematica to calculate the following integral, but I don't know why the result of using ...
9
votes
2answers
179 views

Possible bug involving derivative of BesselI

In Mathematica 12.0, I run the following code: f[x_] = BesselI[0, x]; f'[x] which returns BesselI[1, x] as expected. But if I ...
8
votes
3answers
236 views

Possible bug Integrate[(1-x^(-1/5))/(1-x),{x,0,1}]=0

Summary It seems that Integrate[] cannot handle complicated branch cuts of the integrand properly. The problem This integral ...
7
votes
2answers
170 views

ListPlot3D weirdly distorts and loses plotting data

Bug introduced in 12.0 or earlier and persisting through 12.0. I was trying to plot a simple $n\times3$-sized $(x_i,y_i,z_i)$ matrix data with ListPlot3D, which is ...
4
votes
0answers
96 views

A bug Integrating Piecewise functions

I have found a very puzzling bug (version 12.0), where integrating the sum of a piecewise function with a DiracDelta with a variable integration limit causes errors,...
5
votes
2answers
152 views

`Series` gives wrong result

Bug introduced in 10.0 or earlier and persisting through 12.0. The following code shows that Series gives different results depending on whether one simplifies the ...
5
votes
1answer
53 views

Cannot remove configured kernels in version 12.0

Bug introduced in 12.0 I have defined the settings of a new remote kernel from Kernel Configuration Options in a MacOS machine. But the specification have a mistake and I need to redefine. When I ...
5
votes
1answer
52 views

Plotting a NumericQ-protected function with the attribute HoldAll fails

Fixed in 12.1 This works: ClearAll[f1]; f1[x_] /; NumericQ[x] := x; Plot[f1[x]^2, {x, 0, 5}] This does not: ...
3
votes
1answer
56 views

Nested front-end-only EventHandler

Bug introduced in 11.3 or earlier, and persisting through 12.0 CASE:4372001 confirmed I am running into an issue trying to improve the performance of my user interface by moving as much of the ...
6
votes
0answers
84 views

Why can' t ChromaticPolynomial[GridGraph[{7, 8}], 4] return results

Bug introduced in 10.0 and persisting through 12.1 ChromaticPolynomial is new in 10.0 Why can' t ...
6
votes
1answer
134 views

Solving Laplace's equation in 2D using region primitives

Fixed in 12.1 I was looking at examples of solving problems in electromagnetism and ran across this question, which was a great example of just that. However, looking at the Dirichlet condition, both ...
7
votes
3answers
128 views

Move input cursor to after cell group

Bug introduced in 8 or earlier and persisting through 12.0 I am looking for a way to move the input cursor to after the current cell group. The following example illustrates the situation I am ...
3
votes
1answer
72 views

Trying to create Personal Data Resource in Wolfram Cloud Notebook

I am trying to create a Personal Data Resource from within a Wolfram Cloud notebook. I'm following the instructions at: https://reference.wolfram.com/language/workflow/SetUpAPersonalDataResource.html ...
6
votes
1answer
45 views

NearestTo causes a kernel crash when applied to a list of SparseArrays [closed]

Nearest and NearestTo cause a kernel crash on Mathematica 12.0.0 for Mac OS X. (running on OS X 10.11.6) when operating on a list of SparseArray vectors. Here's my minimal breaking example: ...
2
votes
0answers
56 views

PubChem Service doesn't support isomeric SMILES specifications?

Consider the molecule defined by the following SMILES string: example = "C(/C=C/Cl)Cl" (the slashes indicate cis/trans isomerism). Molecule[] has no problem ...
2
votes
1answer
32 views

SDF Metadata Import fails when structure information is missing

Background Information: In Mathematica 12, SDF Import automatically triggers the generation of Molecule[] representations. SDF files contain both structural information as well as metadata, and a ...
0
votes
1answer
45 views

mathematica stop working after running some .nb file and close or save the file

Bug fixed in 8.0.4 for Chinese edition only, generally fixed in or before 11.3. I'm using version 7 on Windows. After I running one .nb file and just want to ...
26
votes
2answers
906 views

Possible bug in NMaximize function?

Bug introduced in 12.0 In 12.0.0 for Microsoft Windows (64-bit) (April 6, 2019) writing: ...
8
votes
2answers
191 views

TimeLinePlot tooltip shows Day rather than Year

Bug introduced in 12.0 or earlier, partially fixed in 12.1.0 The Part::partw: error has been fixed in 12.1.0. Tooltip bug has not. Update 2019-11-28 WRI has ...
6
votes
1answer
97 views

ReplaceList Except Alternatives bug

Bug introduced in 11.3 or earlier and persisting through 12.0 or later [CASE:4352435] and [CASE:4354378] In Mathematica 11.3 and 12.0, ...
19
votes
1answer
281 views

Mathematica v12 Integration bug?

Bug introduced in 12.0 and fixed in 12.1 After upgrading to mathematica 12, this integral gives the wrong result, also with other types of similar integrals. ...
2
votes
1answer
70 views

Search using Query fails accessing ChemSpider with Mathematica

Performing a search with "Formula" works as expected. Search with "Query" fails. Printout attached to better document the problem.
5
votes
1answer
45 views

How to use StepMonitor in NMinimize when using vector variable

Bug persists through 12.0 For example, when I call this code ...
10
votes
0answers
185 views

Connecting notebook to remote kernel

I'm trying to connect my FrontEnd session to remote kernel. Manual connection works by creating LinkObject like so: ...
11
votes
1answer
100 views

Nondeterministic $Failed when mapping over a Dataset

Consider the following simplified example (on Mathematica 12): ds = Dataset@{<|"hell" -> "o"|>, <|"hell" -> "no"|>}; ...
2
votes
1answer
35 views

DensityPlot: Error messages and strange bar legend

Bug introduced in 11.1.1 or earlier and persists through 12.0 I want to plot the following DensityPlot with axes given by Trr ...
4
votes
1answer
40 views

Plotting with sub and superscripts on the PlotLabels

Bug persists through 12.0. I'm trying to produce a plot with PlotLabels that include sub- and superscripts. However, I haven't been able to do it consistently. ...
17
votes
3answers
387 views

Why the Kernel crashes on these integrals in V12?

Bug introduced in 12.0 and fixed in 12.1 [CASE:4331819] This is using V12, on windows 10, 64 bit. Note: these integrals work OK on 11.3 on same PC. Any idea why the Kernel now crashes on these ...
8
votes
1answer
192 views

ColorFunction doesn't work with custom PlotMarkers

Bug introduced in 10.3.0 and persisting through 12.0 or later This works: ...
3
votes
1answer
72 views

JavaGraphics` and CreateDialog don't work with ListPlot in Mathematica 11.3/12

Bug introduced in 11.2 and persists through 12.0, case 4331202 I'm trying to see some plots based on data from a remote cluster as it runs various Mathematica 11.3/12 scripts, so I want to use the ...
8
votes
0answers
147 views

The most bizarre kernel crash ever. Kernel crash in Integrate under simple different setups. Unable to find cause

Reported to WRI. CASE:4330461 V 12 on windows 10 64 bit. Note: This problem do not show up in V 11.3. Only in V12. For the last 2 hrs, I've been trying to zoom into why V12 kernel crash when ...
2
votes
2answers
96 views

What causes Autonumbering to stop working after “Evaluating” Notebook in 12.0

Bug introduced in 12.0 I'm using "Section" autonumbering in a notebook that contains text and calculations. Normally my "Section" style numbering looks like: ...
5
votes
2answers
89 views

ChartBaseStyle in BarChart3D - possible bug

It looks like ChartBaseStyle in BarChart3D doesn't work in Grid mode when the matrix is larger than 9x9: ...
10
votes
1answer
173 views

Mathematica 12: Failure with URLRead

Bug introduced in 12.0 The following HTTP request fails to submit the body under version 12, but works in Mathematica 11: ...
4
votes
1answer
105 views

Why should the format of an integral affect the result

This has been reported to Wolfram and confirmed as a bug in Mathematica V12 This follows on from This question I get a different answer for the same integral input in different ways e.g. ...
2
votes
0answers
64 views

Which words are “protected” from the built-in spell checker?

Bug persisits through 12.0 [CASE:4331923] Some time ago Alan raised an interesting question about spell checking in Mathematica in a comment: <...> does Mma actually recognize Euclidian (vs ...
10
votes
1answer
125 views

Memory leak with FindMaximum/Minimum inside of Module

This is my first question here. I have to solve coupled first order ODE-s and find the maximum of a function which depends on the solution of the ODE. I have to do this calculation in large quantities,...
7
votes
1answer
89 views

`PlotLegends` not showing correct colour

I want to make a Plot with a styled line, as follows: ...
2
votes
0answers
99 views

Is Mathematica computing the conditional expectation correctly?

Given a simple case of say 2 independent trials each with probability of success 1/3. Consider a random variable that is gives the 3 times the total successes. We can define this random variable in ...
4
votes
2answers
77 views

GeoListPlot - Workaround for distinct coloring of categories - improvement?

GeoListPlot supports multiple lists of locations but once the number of lists exceeds 3, the coloring function for the categories starts to recycle the colors. For example, adding a list to the ...

1
2 3 4 5
32