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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7
votes
0answers
230 views

DSolve returns an answer that is not a solution

Investigating DSolve misses a solution of a differential equation, I came across this odd behavior of DSolve. The following DSolve command returns an answer to the ...
9
votes
0answers
69 views

Is this behaviour, producing OutputSizeLimit`Dump`encapsulateOutput, a bug?

Bug introduced in 6.0.0 and persisting through 10.2.0 The input ...
5
votes
0answers
71 views

DynamicModule's Deinitialization & CDFDeploy

This evaluates fine for me: CDFDeploy["test.cdf", DynamicModule[{}, Dynamic["Hello World"], Deinitialization :> 1]] But this results in a never ending ...
15
votes
5answers
512 views

How can I change the thickness of tick marks in BarLegend?

Bug introduced in 10.1 or earlier and persisting through 10.4.1.0 or later This answer explains how to change various undocumented options for BarLegend with <...
12
votes
0answers
172 views

A question about weighted graphs

Bug introduced in 8.0 or earlier and persisting through 10.3 I need create a weighted graph with given data. Number of nodes: $53$ $\quad$ Number of edges: $91$ ...
6
votes
1answer
194 views

FindFormula can't deal with the population data from Wolfram server

Bug introduced in 10.2 and fixed in 10.3 In the documentation of FindFormula, the first application of it is to predict the population of Poland. ...
7
votes
2answers
173 views

Poor/wrong sampling in 1D DiscretizeRegion of splines?

Bug introduced in 10.1 and persisting through 10.2 or later Context In relation to this question I have would like to use splines to define a ...
11
votes
1answer
143 views

HighlightImage does not work consistently with Line

Bug introduced in 10.2, persisting through 10.3 HighlightImage is supposed to work with graphics-primitives like Line and <...
9
votes
1answer
488 views

Version 10.2, key shortcuts for matching brackets do not work?

Bug introduced in 10.2 System: Linux Once updated to 10.2, my Alt+} and Alt+) do not return a pair of brackets but a single right one, as if Alt is not pressed. Alt+] still works.
6
votes
1answer
109 views

Call library function in compile

On the Wolfram official website, there is an example of calling library function in a compiled function: ...
19
votes
2answers
302 views

Dataset seems to break Information

Bug present in version 10.2 My little function, from pre-10.2 ,to turn a headed table into a Dataset. ...
20
votes
1answer
260 views

New AssociationThread forms in 10.2?

Bug introduced in 10.2.0 and fixed in 10.3.0 (The extension of AssociationThread is not (yet) implemented and the corresponding documentation has been removed) ...
18
votes
1answer
250 views

A With expression local variable specification without head List

I just noticed a new form of With in its documentation: With[$x=x_0$, $expr$] specifies that all occurrences of the symbol $x$ in $expr$ should be replaced ...
12
votes
2answers
195 views

MMA breaks down when `DSolve` -ing a third-order linear ODE

My code is: DSolve[y'''[x] + (x^3 + a^3) y[x] == 0, y[x], x] It should be noted that similar code not only meets the similar problem but also returns more ...
1
vote
0answers
95 views

Possible bug with Manipulate [duplicate]

Bug introduced in 10.1.0 and fixed in 10.2.0 I am observing a potential bug not present in MMA 10.0.1.0 on Win 7 Ultimate, but observable on MMA 10.1 on Win 7 Enterprise. It seems to work with ...
15
votes
1answer
231 views

Mma 10.2 `Alphabet` and `LanguageData` give different and both erroneous list of letters

Bug introduced in 10.2 and fixed in 10.3 The new function Alphabet introduced in Mathematica 10.2 gives the wrong list of letters for the Spanish language in my ...
7
votes
3answers
380 views

Can't find the eigenvectors of a simple 2x2 matrix

Bug introduced in 8.0 or earlier and fixed in 10.3.0 Why can't Mathematica find the eigenvectors of this matrix? ...
5
votes
2answers
226 views

Export rotate bug in Mathematica v10

I think I've stumbled upon a bug in Mathematica v10.0.0 on linux. Rotate does not seem to play well with export. If I run: ...
6
votes
0answers
174 views

RegionPlot, RegionPlot3D and differing embedding dimensions

RegionPlot seems to be for plotting regions with an embedding dimensions of 2 only, and RegionPlot3D for regions with an ...
14
votes
1answer
160 views

IsomorphicGraphQ fails to recognize that two empty graphs are identical

Bug introduced in 9.0.1 or earlier and persisting through 10.4.0 Consider the following two graphs: ...
10
votes
2answers
147 views

Possible Bug in Computing Surface Area of Certain Geometric Regions

Mathematica 10.2 introduced some new geometric regions. Two of the new regions include SphericalShell and CapsuleShape. ...
11
votes
1answer
111 views

Problem with Clear[assoc] as a value in an Association

Bug introduced in 10.1 or earlier and fixed in 10.3 According to the documentation, in order to make sure that a value in an association is not evaluated at initialization, one can use a ...
10
votes
1answer
128 views

Odd StringTake problem in Dataset

10.2 Win64 Works fine... Dataset[{<|"a"->"ABC"|>}][All, StringTake[#a,{1,3}]&] Explicitly taking the whole string using its length directly. Fails....
4
votes
0answers
93 views

TimelinePlot with Interval in Associations

Bug introduced in 10.2 This is related to a previous question I asked about TimelinePlot and multiple associations (Behavior of TimelinePlot with multiple ...
0
votes
1answer
91 views

Loss of chart when exporting data in DynamicModule

Bug fixed in V 10.2 In DynamicModule, the result is to show a panel with a flowchart and a Piechart. But when I export the ...
6
votes
0answers
135 views

Possible Bug with Options in DelaunayMesh

Bug introduced in 10.2 and persisting through 10.4 Update: It turns out after some testing, none of the Options work in ...
2
votes
2answers
156 views

SeriesCoefficients expansion contradicts FullSimplify

Executing the following SeriesCoefficient[Log[1/2 (1 + Sqrt[1 - x])], {x, 0, n}, Assumptions -> {n >= 1, n ∈ Integers}] I get: which clearly asserts ...
13
votes
1answer
272 views

Streaming`LazyList`Testing may have a leak

Bug introduced in 10.2 and fixed in 10.3 Version 10.2; Win64 Enterprise. I'm seeing this message... data::shdw: Symbol data appears in multiple contexts {Streaming`LazyList`Testing`, Global`}; ...
3
votes
1answer
140 views

Export in Mathematica 9 vs Mathematica 10

Bug introduced in 10.0 and fixed in 10.0.2 I want to export a list of complex numbers as follows: ...
18
votes
2answers
363 views

10.2 Dataset extraneous print using Transpose

Bug introduced in 10.2 and fixed in 10.2 (by paclet update GeneralUtilities 10.2.1) This is probably patch code in 10.2. Is there a way to turn off print with ...
5
votes
1answer
149 views

memory leaks using NIntegrate on parallel kernel

Bug fixed in version 10.2.0 I'm running a large computation in parallel and the memory usage of the parallel kernels is increasing with every iteration of the calculation. Neither ...
21
votes
2answers
432 views

Getting rid of spikes in the PDE solution

Bug introduced in 10.0 and fixed in 10.3 Note: In 10.0, Rationalize[fd, 0] was needed or mesh generation would fail. Preamble: I am solving a PDE in a domain ...
9
votes
1answer
125 views

Union on Associations (Kernel Kill)

Bug introduced in 10.1 and fixed in 10.2.0 Perhaps Union on Associations is not being encouraged since ...
17
votes
1answer
308 views

Simple Matrix multiplication takes very long

Bug introduced in 10.1.0 and fixed in 10.3.0 I came across some strange behaviour during a computation involving matrices with symbolic values. It is reproduced below. Multiplying a random 30x30 ...
8
votes
2answers
171 views

Mesh Problems with MatrixPlot

I've come across some weird behavior in 10.1 when trying to use Mesh with MatrixPlot. In the example below, when specifying Mesh, I only get one line along the X axis at 100 instead of lines at {100, ...
10
votes
1answer
298 views

Dirichlet coefficients as limits: wrong

Perhaps I should have included the word "bug" in my question. Here we go There is a bug in this Limit Limit[3^s (-1 - 2^-s + Zeta[s]), s -> ∞] (* 0 *) which ...
5
votes
1answer
128 views

RegionIntersection fails for some values with polygons

Bug introduced in 10.1 and fixed in 10.3.0 I want to find the intersection (region) of 2 polygons. I use RegionInstersection but it only works for some sizes, ...
9
votes
0answers
96 views

Strange result of DeleteCases in an association

The function DeleteCases can be used for associations, also with level specification. Here is an example where some values are associations: ...
14
votes
1answer
302 views

What's wrong with Simplify and FullSimplify?

I have a quite complex list of equations and inequalities I combine to a boundary condition for my cost function. After investigation of two days I found the bug (I really name it a bug!). One of my ...
4
votes
1answer
285 views

Why don't the arrowheads show for this directed graph?

Bug introduced in version 9.0 or earlier and fixed in 10.3 It's very weird, but the first graph is shown as undirected (dots connected by lines, not arrows. The second is shown as directed, with ...
1
vote
1answer
163 views

Undo (CTRL Z as well as under edit) bug after pressing control shift [duplicate]

Bug introduced in 10.0 and fixed in 10.0.2 As some of you might know, if you press control + shift on windows, you change your keyboard layout. For example, : becomes ±. This happens sometimes in ...
6
votes
1answer
320 views

Manipulate code crashes V10.1

This code is working with Mathematica 9, but Mathematica 10.1 is becomes unresponsive when I try to evaluate it. ...
5
votes
2answers
109 views

ParametricNDSolveValue has a problem with complex numbers

Bug introduced in version 10 and fixed in 10.3 Edited: I have simplified the example compared to before and narrowed the problem down a bit. I would like to use ...
12
votes
1answer
220 views

Using Simplify on a consistent system returns False

Bug introduced in 8.0 and fixed in 10.3. It's late, but am I missing something here? Why should two independent equations, which together are consistent, ...
4
votes
1answer
143 views

DateListPlot in webMathematica doesn't show FrameTicks properly

It seems that DateListPlot when used in webMathematica (3.3.1) show different output than in desktop Mathematica (10.1). In desktop Mathematica, if you evalutate ...
16
votes
2answers
482 views

Exporting Dataset to WDX format fails

I reported this to WRI support. Tracking number is CASE:3368636 Official answer is: Thank you for contacting Wolfram Technical Support. This is a known issue and our developers are working on a ...
13
votes
0answers
94 views

Floating highlighting bug [duplicate]

Bug introduced in 10.0 and not fixed up to 10.2 At some random point in time the highlighting does not disappear any more. By highlighting I mean transparent boxes appearing for find feature ...
8
votes
1answer
218 views

Trouble with polynomial multiplication

Bug introduced in 10.1.0 and fixed in 10.4.0 ...
6
votes
2answers
265 views

ToElementMesh problem on Ball defined by ImplicitRegion?

Bug introduced in 10.0 and fixed in 10.2 Could any one please confirm the following bug in mathematica 10.0.2 ? If I define this ball ...