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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25
votes
3answers
2k views

Generating 250 random points crashes the kernel, but not 249

Fixed in 10.1.0. Consider the following function, which generates uniformly random points on the surface of the 2-sphere: ...
2
votes
0answers
86 views

Font rendering difference between .jpg & .pdf [duplicate]

I have some planar graphics involving lines and text, produced by Line[] and Text[], accepting the default font on the latter. ...
4
votes
0answers
82 views

Bug in ExportString with Associations as ExpressionML?

bug present as of 10.1.0 If I try to export this toy code as ExpressionML or just XML: ...
8
votes
4answers
374 views

Definite integral incorrectly giving a nonreal value

fixed in 10.1 (windows and Mac OS X) In Mathematica 10.0, when I enter N[Integrate[Sqrt[1+x^3],{x,-1,3}]] I get a nonreal value (i.e., the imaginary part is ...
11
votes
0answers
214 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 ...
2
votes
0answers
41 views

Error message with RegionPlot after SetOptions

I get an error message with SetOptions[RegionPlot, ImageSize -> Medium]; RegionPlot[u v (1 - v) >= 10, {v, 0, 1}, {u, 0, 100}] that says ...
7
votes
2answers
316 views

10.0.2 another Dataset type system (inference?) warning

Bug introduced in 10.0.2 The warning below seems unrelated to these issues: Did 10.0.2 break some forms for named slots? and 10.0.2 mapping Association to Dataset warning. First noticed w/ ...
7
votes
1answer
212 views

Suspected bug in Integrate

Bug introduced in 9.0.1 or earlier and fixed in 10.1.0 In version 10.0: ...
8
votes
2answers
189 views

Fitting higher order ARIMA models hangs, never completes

I'm working with some data that is 12 month seasonal. However, when I try to fit it to an ARIMA(12,1,3) for instance, my PC's CPU cranks up to 100% and the job never finishes. Here's some sample code. ...
5
votes
0answers
192 views

Mathematica can't export $\sqrt{}$ [duplicate]

Fixed in version 10.1.0 It looks like version 10 can't export to pdf correctly with square root. For example: ...
6
votes
2answers
273 views

Mathematica 10 ListPointPlot3D PlotTheme bug?

I am using Mathematica 10 to generate a 3D point plot of a crystal lattice structure. I wanted to set the PlotTheme to ...
25
votes
2answers
331 views

Bug in ArcLength?

fixed in 10.1 (windows) With Mathematica 10.0.2: ArcLength[Line[{{0, 0}, {1, 0}, {2, 0}}]] ArcLength[Line[{{0}, {1}, {2}}]] (* 2 *) (* 2 *) However, ...
2
votes
0answers
165 views

Can't type in notebook in version 10

After upgrading to version 10, I sometime get into the situation that I can enter nothing to the notebook. The Mathematica seems alive but it doesn't take any input from the keyboard. I tried to quit ...
7
votes
3answers
306 views

Appending and Prepending columns to a dataset in 10.0.2.0

fixed in 10.1 (windows) I just experience a problem in prepending columns to a dataset. I did this a hundred times in 10.0.1.0 - no problems. Now it seems as if it is only possible to ...
18
votes
1answer
249 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 ...
13
votes
0answers
216 views

More Ticks::ticks errors in AbsoluteOptions in v10

Bug introduced in 7.0 or earlier and persisting through 10.2 or later While the specific bug affecting Plot described in AbsoluteOptions prints error messages in ...
7
votes
1answer
198 views

Linux: Mathematica crashes when clicking documentation links very fast

Bug introduced in 10.0.1 or earlier and fixed in 10.1.0 Can someone confirm the following behavior: Open a new Mathematica and go to the documentation. Navigate to any reference page (I used ...
26
votes
2answers
1k views

Save as pdf broken in version 10.0.2?

Fixed in 10.1 It looks like the save as pdf is broken after I update to version 10.0.2. The labels in the plot become a mess. Are there ways to fix it? The ...
12
votes
1answer
314 views

10.0.2 mapping Association to Dataset warning

In 10.0.2 ExampleData[{"Dataset", "Titanic"}][All, <| "gender" -> #sex|> &] Outputs the expected result, but also throws: MapAt::partw: Part ...
5
votes
2answers
109 views

BarLegend using Function that uses Blend

Bug introduced in 10.0 and fixed in 10.1 I'm sorry if this is a duplicate, but I don't even know how to look for it. I had this line of code that worked on a Notebook I wrote on Mathematica 9.0: ...
9
votes
1answer
254 views

Did 10.0.2 break some forms for named slots?

Bug introduced in 10.0.2 and fixed in 10.2.0 Since 10.0.2 some code that previously worked using named slots fail in very particular circumstances. Attchd screenshot shows the issue w/ a ...
7
votes
1answer
335 views

Missing tick in plot

Bug introduced in 10.0.1 and persisting through 10.2.0 Consider this ...
2
votes
1answer
43 views

VertexConnectivity and FindVertexCut disagree [duplicate]

I'm trying to use Mathematica to compute the minimal vertex cut for graphs. From what I understood, VertexConnectivity of a graph should correspond to the number of vertices in the minimal vertex cut. ...
13
votes
1answer
307 views

BUG: AssociationMap loses definition

Bug introduced in 10.0.0 and fixed in 10.1.0. I'm facing a strange behavior of AssociationMap. With a fresh Kernel session: ...
1
vote
0answers
38 views

Problem with dashed lines in Plot, ListPlot and ListLinePlot [duplicate]

(I'm new stackexchange so I hope i'm doing this correctly). I'm struggling with dashed lines in Plot, ListPlot or ...
2
votes
0answers
118 views

Is this a bug in NCAlgebra library?

In course of my work with NCAlgebra package for Mathematica, http://math.ucsd.edu/~ncalg/ , I encountered unexpected behavior of replacements. I am using ...
4
votes
1answer
155 views

LowpassFilter in v10: unit issues?

Bug introduced in 10.0.0 and fixed in 10.1.0 I tried this with a clean start and no documents loaded. Now, evaluating the following on the documentation page for ...
4
votes
1answer
122 views

Symbolic geometry not working?

I have Mathematica 10 on the Raspberry Pi. (wolfram-engine version 10.0.0+2013112003) According to the "What's New in Mathematica 10" page ...
2
votes
2answers
64 views

Is StateSpaceModel command ignoring the StateSpaceRealization option?

fixed in 10.0.2 This is version 10.01 on windows. It seems that StateSpaceModel is completely ignoring the StateSpaceRealization option when create a state space object. ...
5
votes
1answer
104 views

Changing the definition of N: unexpected $RecursionLimit::reclim error

I have some objects represented as follows: Object[data, param] data is a list of numbers, ...
4
votes
1answer
70 views

How Unevaluated works Through its Attributes?

Check this example: ...
7
votes
1answer
176 views

How to print $\odot$ without it being cropped? (\[CircleDot] symbol)

Preamble: In some applications (astronomy, cosmology, etc), it is useful to measure things in solar quantities, say distances in $R_\odot$ or masses in $M_\odot$, and so on. Now and then I see ...
5
votes
1answer
228 views

Wolfram CDF Player not working anymore in WordPress v.4.0.1

I usually instert my CDF demonstrations in my WordPress site with the WolframCDF plugin v.2.1. It worked fine till a couple of days ago. But, after the recent (automatic) upgrade of WordPress from ...
16
votes
1answer
180 views

Is plot polluting my context?

Bug introduced in 10.0.2 or earlier and fixed in 10.1.0 Whenever I plot something 3 temporary variables get added to my current context. Example (fresh Kernel): ...
3
votes
2answers
319 views
0
votes
1answer
93 views

Simplify returns wrong result [duplicate]

For some particular reason, Mathematica makes wrong calculations when using Simplify[]. I need Simplify[] for a fractional decomposition of some fractions of low-order polynomicals. Here is a ...
13
votes
2answers
255 views

Weird behaviour when using Scale, Rotate in Graphics

Bug persisting through 10.2.0 (Edited to simplify drawing) I have a drawing of two tangent circles: ...
3
votes
2answers
195 views

Strange interaction between Module and ListPlot

Bug introduced in 10.0 and fixed in 10.1 Why is the variable a ending up assigned to {1,2,3} after executing Module[{a}, a=Range[3]; ListPlot[a] ]
7
votes
3answers
333 views

Negative integral of a positive function

fixed in 10.1 (windows) For a parameter $t\in (0,1)$ $Assumptions = t ∈ Reals && t > 0 && t < 1 I define an obviously positive function ...
20
votes
2answers
587 views

Why is TextString[-0.5] a positive number?

Bug introduced in 10.0 and fixed in 10.0.2 I want to format numbers in decimal notation and chose TextString for this task. But today, when looking at the final ...
5
votes
2answers
256 views

Plotting bug in Mathematica 9.0

I want to plot transition dipole moment vectors at their respective positions. For example, given a transition dipole moment with position vector R, I want to draw ...
6
votes
2answers
130 views

PolarPlot with Dashed and PlotRange freezes for simple function

When I plot PolarPlot[1/(1+Cos[6-t]), {t,0,2\[Pi]}, PlotRange->{{-4,4},{-4,4}}, PlotStyle->Dashed] everything works normally, but when I change the ...
5
votes
2answers
138 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: ...
1
vote
1answer
62 views

DayRound Rounding Values:No difference between “Preceding” and “Following”?

On Mathematica 10.0.1 both DayRound[{1980, 2, 29}, "EndOfMonth", "Preceding"] and ...
7
votes
0answers
164 views

Copy/Paste of quoted text crashing Mathematica 10?

(Mathematica 10.01 under Windows 7) Create two text cells and in each of them place the following text: <table align="left" style="margin-left:50px; border-collapse: collapse; padding: 0px; ...
7
votes
2answers
774 views

Mathematica 10 cannot solve definite integral [duplicate]

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. ...
10
votes
2answers
226 views

Glitch in Filling?

Bug introduced in 8.0 and persisting through 10.1 or later I ran into a problem while plotting and I was able to narrow it to this. Before I start "spelunking" I'd like to know if I am overlooking ...
6
votes
3answers
226 views

FontSize problematic when used in LabelStyle

Bug introduced in 9.0.0 and persisting through 10.0.2 or later Consider the following few examples, each producing a trivial graphic object: ...
1
vote
1answer
108 views

Changing the width of BarLegend with Contour argument

Bug exists in 10.0.2 Is it possible to change the aspect ratio of the BarLegend in Mathematica? The option LegendMarkerSize, ...
5
votes
1answer
120 views

Bug in grouping after editing code?

While looking at A question about conditional replacement I think I discovered a bug in the Front End that affects both 7.0.1 and 10.0.1 under Windows. If I copy and paste this line into a new Cell ...