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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8
votes
0answers
46 views
6
votes
2answers
755 views

Mathematica 10 cannot solve definite integral

Bug introduced in 10.0 and fixed in 10.0.2 Mathematica 10 fails to solve the following integral, saying that it does not converge. ...
9
votes
0answers
143 views

Behavior of TimelinePlot with multiple datasets of associations

Bug introduced in 10.1 and persisting through 10.2 or later The following TimelinePlot behaves as I would expect: ...
7
votes
0answers
151 views

After editing a file Mathematica 10 interprets […]^2 as […(])^2

Bug introduced in 10.0 and persisting through 10.2 or later This is a very weird bug and I don't really know how to reproduce it, so I'll just copy-paste the whole code ...
5
votes
0answers
109 views

Memory leak when looping over FindInstance in version 10.0.0

Bug introduced in 10.0 and fixed in 10.1 When I run the following (simplified) code with FindInstance, my MemoryInUse is ...
7
votes
0answers
114 views

One less arrow vector than asked for

Bug introduced in v10 and persisting through 10.2 or later Consider the following code: ...
7
votes
2answers
161 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 ...
20
votes
3answers
793 views

How accurate is GeoDistance?

Two years ago I tried an evaluation copy of Mathematica. I reported various inaccuracies in the GeoDistance routine to which I never received any fix. Could ...
4
votes
1answer
80 views

Evaluating documentation example crashes the kernel

Save your work before attempting: Could someone confirm what looks like a bug (definitely occurs in v10 and OSX 10.8.5): In the documentation for Background and ...
5
votes
1answer
90 views

Why does the degree symbol disrupt this FrameLabel?

This plot Plot[x, {x, 0, 1}, FrameLabel -> {"x", "temperature / \[Degree]C"}, Frame -> True] displays beautifully, but exporting to PDF ...
2
votes
0answers
67 views

Order of integration resolves “Indeterminate expression encountered.”

Bug introduced in 10.0.0 and fixed in 10.0.1 Today I came across the following integral: ...
7
votes
1answer
317 views

Missing tick in plot

Bug introduced in 10.0.1 and persisting through 10.2.0 Consider this ...
12
votes
1answer
172 views

ListConvolve Memory Hemorrhage

Bug introduced in 10.0.0 and fixed in 10.2.0. I wrote a routine that convolves an impulse response array with a test array and checks for the RMS difference between that convolution and a data ...
16
votes
2answers
307 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 ...
4
votes
0answers
46 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 ...
1
vote
0answers
78 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 ...
9
votes
3answers
138 views

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

This answer explains how to change various undocumented options for BarLegend with Method. In particular, I want to change the ...
18
votes
1answer
245 views

Default behaviour of Hash[expr] and hashing in different versions of Mathematica

In different versions of Mathematica, Wolfram silently changed the behaviour of Hash when the algorithm is not specified explicitly ...
5
votes
0answers
41 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 ...
4
votes
1answer
207 views

Exporting multiple arrays in a single HDF5 file in Mathematica 7

Bug introduced in 7.0 and fixed in 8.0 I am using Mathematica 7 and I need to export a table of data and the corresponding x and ...
15
votes
0answers
215 views

RegionPlot returning a number

Bug introduced in 10.0 and persisting through 10.2 or later I had updated my mathematica to version 10 few days ago. And I had been shocked by the following fact: ...
27
votes
0answers
526 views

Version 10 cannot print properly?

Bug introduced in 10.0 and persisting through 10.2 or later I have two problems with printing in version 10. First, I can't print correctly with a setting of printing scale For example, I have ...
3
votes
0answers
96 views

Det and MatrixRank freezes on SparseArray with nonzero default value

Bug introduced in 7.0 or earlier and fixed in 9.0.1 or earlier Why does the following simple code never come to an end (at least with version 8) ...
8
votes
4answers
325 views

Unexpected behavior from GatherBy in version 7

Bug introduced in 7.0 or earlier and fixed in 8.0.4 or earlier I have come across what appears to be a bug in GatherBy. It appears similar to the problem of ...
7
votes
0answers
208 views

Mathematica 7: “LessEqual::nord:” error when using NMinimize on a real function

Bug introduced in 7.0 or earlier and fixed in 9.0 I encounter a problem (Mathematica 7) similar to Strategies to avoid LessEqual::nord in NMinimize? but the advised strategies don't work for me. ...
8
votes
2answers
639 views

Problem with ContourPlot3D

Bug introduced in 7.0 and fixed in 9.0.1 The following line works fine: ...
7
votes
3answers
566 views

Plotting a 3D list causes kernel to crash if x and y axes have vastly different scales

Bug introduced in 7.0.1 or earlier and fixed in 10.0.2 or earlier I have access to two versions of Mathematica, version 7.0.1 on Linux and version 8 on Windows. When I try the following two lines ...
2
votes
0answers
394 views

Simple contour integral with a parameter gone wrong

Bug introduced in 7.0 and fixed in 7.0.1 I run into the following problem, I tried to evaluate a very simple integral: ...
6
votes
0answers
274 views

NullSpace[_, Method->“OneStepRowReduction”] is sometimes wrong; how can I work out when this happens?

Edit 2015: Has this been fixed yet? (This is on MMA 7.0.1.0 on OS X) I've just found a large matrix m for which NullSpace[m] ...
9
votes
2answers
214 views

Held keys in associations

Jacob Akkerboom commented: Note that PositionIndex does work correctly with held expressions, whereas this is a bit painful to implement using ...
18
votes
1answer
178 views

Systemic bugs in GraphPlot and related functions such as TreePlot and TreeForm

Bug introduced in 7.0.1 or earlier and persisting through 10.2.0 I believe I have come across a rather curious bug in TreeForm: ...
8
votes
0answers
193 views

FindRoot kills kernel

Bug introduced in 7.0 or earlier and fixed in 10.1.0. I'm having problems with FindRoot killing the kernel. In my real application, I want to ...
4
votes
0answers
69 views

Extraneous reaped data with NDSolve and WhenEvent

Bug introduced in 9.0 or earlier and fixed in 10.1 In exploring What is the range of values $x$ for which $f(x)$ is higher than $k$ over a given domain?, I came across the following strange ...
8
votes
1answer
93 views

Iterator variable not blocked in ParametricPlot

Bug introduced in 10.0 and persisting through 10.2 or later It appears that perhaps the iterator variable r is not Block-ed ...
11
votes
1answer
167 views

Using Simplify on a consistent system returns False

Bug introduced in 8.0 and persisting through 10.2 or later It's late, but am I missing something here? Why should two independent equations, which together are consistent, ...
11
votes
0answers
203 views

Bug in plotting function using FindMinimum?

Bug introduced in 10.0 and persisting through 10.2 or later While working on an answer to RegionPlot from NDSolve, I came across this strange behavior of ...
4
votes
1answer
106 views

LogLogPlot plugs in zero

Bug introduced in 10.0 and fixed in 10.0.2 In testing the answers to Plot result of non analytical-integral in V10.0.1, I came across this behavior of ...
32
votes
2answers
762 views

String-manipulation bugs in v10.1

Fixed as of 2015-04-06 via paclet update. The new version 10.1 has introduced some strange (possibly buggy) behaviour compared to v10.0: ...
12
votes
0answers
106 views

A question about weighted graphs

Bug introduced in 8.0 or earlier and persisting through 10.2 or later I need create a weighted graph with given data. Number of nodes: $53$ $\quad$ Number of edges: $91$ ...
8
votes
4answers
355 views

BSplineFunction derivatives wrong if using weights?

In my work, I make heavy use of non-uniform rational B-spline (NURBS) functions, defined using the function BSplineFunction with the option defining ...
8
votes
1answer
136 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.
5
votes
1answer
74 views

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

In the documentation of FindFormula, the first application of it is to predict the population of Poland. ...
9
votes
1answer
82 views

HighlightImage does not work consistently with Line

Bug introduced in 10.2 HighlightImage is supposed to work with graphics-primitives like Line and ...
8
votes
3answers
411 views

Radon function result's repeatability

Bug introduced in 9.0.0 and fixed in 9.0.1 I want to get a Hough transform of some edged image. When I compare the same transformation on the same image I got different results. ...
7
votes
1answer
337 views

ReadList can't read correctly

Bug introduced in 9.0 and fixed in 9.0.1 I'm trying to load some data into Mathematica from some files generated by fortran. But ReadList seems can't get the number correct. Here is a simplified ...
8
votes
1answer
233 views

Why don't products of Dirac deltas integrate correctly?

Bug introduced in 10.0.0 and fixed in 10.0.1 The integral $\int \int \ \delta(x) \delta(y) \ dx dy=1$ evaluates to 0 in Mathematica ...
14
votes
2answers
366 views

Error “Throw::nocatch: Uncaught Throw[False] returned to top level” given each time I open a new Mathematica 10.1 session

Bug fixed in 10.1.0 via paclet update From a few days now each time I open a new Mathematica session I get the small error messages window with the error ...
13
votes
1answer
403 views

Greek variables in 10.0.1

Bug introduced in 10.0.1 and fixed in 10.0.2 10.0.1 under Ubuntu 12.04 x64 .... Does everybody get greek variables emboldened? Is anybody aware of how to revert to previous normal display? The ...
3
votes
2answers
152 views

CommunityGraphPlot doesn't size

Bug introduced in 9.0 and fixed in 9.0.1 When I need to plot a 'large' graph with CommunityGraphPlot the output is always sized at the Mathematica default value. The Graph object itself can be ...