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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16
votes
2answers
359 views

Backslide in NSolve in V11.1?

Bug introduced in 11.1.0 and persisting through 11.1.1 In V11.1, NSolve[BesselJ[0, x] == 0 && 0 < x < 20, x] returns no solutions: But in V11.0 (...
15
votes
3answers
748 views

Cannot get nearest neighbors from Nearest

Bug introduced in 10 and fixed in 10.3 There still persists the failure to return 30.72 (another bug according to Daniel Lichtblau but from the developer's point of view it may be a feature). ...
15
votes
0answers
560 views

Is there any way to export vector graphics with shading?

This has irked me for a while as I really feel its a significant shortfall in Mathematica's abilities but maybe I am missing something. I would like to export simple graphics with shading in a ...
14
votes
2answers
495 views

Memory leak with NDSolve

Bug solved in 11.2 Bug introduced in 10.3 or earlier and persists through 11.0 Edit The technical team confirms the memory leak in NDSolve and has forwarded an ...
11
votes
1answer
180 views

Odd StringTake problem in Dataset

Bug introduced in 10.0 and fixed in 10.4 Dataset is new in 10.0 10.2 Win64 Works fine... ...
11
votes
1answer
270 views

Incompatible InterpolatingFunction between V9 (and earlier) and V10

Bug introduced in 10.0.0 and fixed in 10.0.1 I am encountering compatibility issues when loading DumpSave(d) definitions in V10 that have been created with earlier ...
10
votes
2answers
219 views

Problem with Integrate with Piecewise and PrincipalValue

Bug introduced in 8.0.4 or earlier and persisting through 11.3 In the course of developing an alternative solution for question 127301, With, ...
9
votes
2answers
296 views

Export[] performance

Consider this sequence of commands: ...
9
votes
2answers
227 views

CompiledFunction crashes kernel

Bug fixed in 10.0.0 This crashes my kernel ...
8
votes
1answer
158 views

Dynamic triggered but renders the same content

Documentation bug introduced in V10 or eralier and persisting through V11.3 It is a documentation bug because the undocumented optimization method by FE makes major assumptions. The example is not ...
5
votes
1answer
638 views

Textures are not rendered in combined graphics

...
29
votes
3answers
549 views

Assign a randomly generated list to variable

Bug introduced in 10.0.0 and fixed in 10.0.2 I don't know if this is a silly question, but it really baffles me. So please help me understand this behavior. ...
25
votes
1answer
511 views

RegionPlot returning a number

Bug introduced in 10.0 and persisting through 11.3.0.0 or later I had updated my mathematica to version 10 few days ago. And I had been shocked by the following fact: ...
21
votes
2answers
2k views

Why does Mathematica give the wrong answer when integrating?

Bug introduced in 8.0 or earlier and fixed in 9.0.0 I integrate Integrate[Exp[I Cos[b - c]] Cos[b], {b, 0, 2 Pi}] Mathematica gives: ...
20
votes
1answer
1k views

Incorrect result from Integrate

Bug introduced in 8.0 and fixed in 10.0 I attempted to calculate the following integral: ...
18
votes
1answer
597 views

Strange behavior of Table

Whenever I run the code a = 0; code := (a++); Table[code; a, {1000}] I get a list of 1000 zeros. However, if I replace 1000 with 100, then a get a list equal to ...
18
votes
2answers
283 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... ...
17
votes
1answer
332 views

ErrorListPlot ignores some exact data points

Bug introduced in 10.0 and persisting through 11.0.1 or later Possible bug? Or am I missing something / expecting too much? Forgive the seemingly obscure data points but they're where I've noticed a ...
17
votes
2answers
350 views

Possible bug in ListLinePlot

Bug introduced in 8.0 or earlier and persisting in 11.2 Possibly the same bug as (41706). Take a look at the first two points on the chart: ...
16
votes
2answers
399 views

PerformanceGoal option ignored in V11.1

Bug introduced in 11.1 and fixed in 11.2 [CASE:3892079] was created [...] I have reproduced this problem with PerformanceGoal in version 11.1 and reported ...
16
votes
2answers
847 views

Unexpected behaviour of LogLogPlot function

Bug introduced in 11.0.0 and fixed in 11.0.1 I've just installed version 11 of Mathematica and have encountered a bug (which a colleague has reported to WRI). It relates to the seemingly incorrect ...
16
votes
1answer
353 views

Possible bug in RegionUnion or related functions?

Bug introduced in 11.2.0 Functions for derived geometric regions (RegionUnion and related) have been significantly updated in MMA 11.2 and now this simple example ...
13
votes
1answer
339 views

Does InterpolationOrder cause conflicts with PlotMarkers in ListPlot?

Bug introduced in 7.0 or earlier and persisting through 11.0.1 or later My code: ...
12
votes
1answer
140 views

Toggling DynamicUpdating aborts dynamics with UpdateInterval

Bug introduced in V10.4 or earlier, fixed in 11.1.0 A support case with the identification [CASE:3710168] was created. [...] I was able to reproduce the issue [...] I am checking with the ...
12
votes
1answer
781 views

RLink and R v3.0.1?

Running InstallR["RHomeLocation" -> "C:\\Program Files\\R\\R-3.0.1"] results in a popup box titled "Version Mismatch" saying Error: R.DLL version does not ...
12
votes
1answer
434 views

Why isn't ToElementMesh figuring out what my boundary is in 3D?

Bug introduced in 10.2 or earlier, and fixed in 11.0.0 I am trying to change the element mesh for a FEA application I'm doing. I thought I understood it, when I did it in 2D. Here's my shape: ...
12
votes
1answer
147 views

Unexpected behavior of KeyTake

list = {{a, b, c, e}, {1, 2, b, h}, {"a", "h", 3, 5}}; asso = GroupBy[list, {#[[1]], #[[2]]} &] ...
12
votes
2answers
232 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 ...
11
votes
1answer
230 views

Self contained APIFunction. Collecting definitions

Bug fixed in V11.2 Previously dependencies collector failed to collect check if check was only mentioned in lhs: ...
11
votes
2answers
228 views

Bug in NearestNeighborGraph

Update Not fixed in 12.0. NearestNeighborGraph generates incorrectly formatted output on rasterized input. Reported to Wolfram support CASE:4093797 ...
11
votes
1answer
285 views

10.0.2 breaks a recursive “trie” query

Bug introduced in 10.0.2 and fixed in 10.2 The 10.0.2 Dataset type system complication breaks a recursive trie constructor that worked in 0.1: ...
11
votes
1answer
382 views

How does LocationTest choose its “AutomaticTest”?

Is there a way of determining how LocationTest chooses its "AutomaticTest"? Sometimes it's clear from the ...
10
votes
1answer
193 views

Problems with Dataset's querying on a fresh Kernel

Bug introduced in V10.4.1 or earlier and fixed in V11.3 A support case with the identification [CASE:3710757] [...] I checked and reproduced the issue at my end and have reported the issue to ...
9
votes
1answer
137 views

CellDynamicExpression is too sensitive in V11

Bug introduced in V11.0.0 and fixed in 11.1 ...
9
votes
0answers
309 views

Dataset: cannot reproduce a basic example. A bug? [duplicate]

Just to report: I try to reproduce the very first example for the Dataset from the Documentation Center: ...
9
votes
3answers
289 views

Problem constructing Association tables with some operators

fixed in 10.0.2 First, set up the example Dataset from the documentation: titanic = ExampleData[{"Dataset", "Titanic"}]; Why ...
9
votes
2answers
390 views

Median of Dataset in Mathematica 10

Bug introduced in 10.0 and fixed in 10.3 I'm having trouble calculating the median of a Dataset[] in Mathematica 10. The situation is as follows. Consider a ...
7
votes
4answers
2k views

Mathematica gives wrong answer for an integral

When I execute the following, Integrate[ Exp[-w^2 + I w^3], {w, -∞, ∞}] I get (2 E^(2/27) BesselK[1/3, 2/27])/(3 Sqrt[3]) ...
7
votes
2answers
114 views

What are these markers at the bottom of BarLegend?

Bug introduced in 11.3 and fixed in 12.0 I've noticed these small ruler-type markers at the bottom of BarLegend objects. ...
7
votes
3answers
138 views

Strange behavior of RandomVariate and PascalDistribution

Observe: ...
6
votes
2answers
251 views

Error occurred while connecting to remote kernel.Can't use dynamic

When Open Mathematica using remote kernel,it throws LinkConnect error.But normal command can evaluate.Like Range@5,...
6
votes
1answer
114 views

Encoding strings to workaround CloudDeployment bugs

Bug introduced with FormFunction and persisting through Cloud V1.48 CASE:4026150 confirmed There are few problems when deploying simple ...
5
votes
2answers
186 views

Opacity renders lines incorrect in certain viewing angles

Trying to learn how Opacity works, I found a possible issue. Generating points in a square spiral with: ...
3
votes
2answers
679 views

EdgeRenderingFunction question

Bug introduced in 9.0 and fixed in 10.0.0 (Edit 1 : I added this paragraph after the original post, for context) Some context for this question can be found in another post (https://mathematica....
23
votes
0answers
405 views

Compile not correctly initializing a variable defined inside Module

Bug introduced in 8.0, fixed in 10.4, intentionally reintroduced in 11.0 and persisting through 12.0. In the following example, inside the minimumX's ...
16
votes
2answers
295 views

A bug in Commonest in version 10

Bug introduced in 10.0.0 and fixed in 10.0.2 m_goldberg demonstrated that in Mathematica 10 Commonest does not behave as the documentation indicates that it will. ...
15
votes
1answer
969 views

Ticks in v10 - a bug or undocumented change

Bug introduced in 10.0 and fixed in 10.4 In this post @Heike provides this code: ...
14
votes
2answers
442 views

FindInstance returns Indeterminate in version 9, but not in 8

Bug introduced in 9.0 and fixed in 10.0.0 Here is a trivial system of equations in three unknowns for which FindInstance obtains a solution: ...
13
votes
2answers
823 views

How to embed an image into a string?

Note: The bug described in the post is in Mathematica 9, and has been fixed in 10.0. The documentation for String contains the following statements: Strings can ...
13
votes
1answer
404 views

ToNumberField won't recognize Root as an explicit algebraic number

Bug fixed in 10.0.0 In Mathematica 9.0.1, it appears that ToNumberField will not always recognize a Root object as an explicit ...