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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6
votes
0answers
181 views

Kernel sometimes quit after second evaluation of ListVectorPlot

But introduced in 10.0.0 and persisting through 10.3.1 In Mathematica 10.01 Linux x386 execution of the expression ...
3
votes
2answers
178 views

BUG: Problems generating FEM ElementMesh in 1-D

fixed in 10.1 (windows) I'm trying to build an ElementMesh for a simple 1-D problem. First, I build the boundary ...
11
votes
1answer
179 views

Why is this evaluation halved when adding units?

Why does this strange behavior occur when dealing with units and quantities? ...
8
votes
0answers
85 views

Syntax error in debug mode

Bug introduced in 8.0 and persisting through 10.3.0 It appears that in debug mode, the \[Piecewise] symbol and its associated grid give a syntax error. For a ...
4
votes
1answer
179 views

Evaluate specific cells in Mathematica

I have a very simple problem with Mathematica that I couldn't find an easy answer to. I have long notebook with a lot of cells and want to evaluate a specific cells inline from another cell. So far I ...
1
vote
1answer
148 views

Efficient method of raising matrix to a variable power?

I have a $2 \times 2$ matrix $A$, where each element is a 12th order polynomial in a parameter $a$. I need to raise this matrix $A$ to the $-t/T$ power, where $T$ is a known scalar (for this ...
2
votes
2answers
279 views

After definite integration the result is still integration variable dependent!

This integral $\int _{-\infty }^{\infty }\int _{-\infty }^{\infty }\int _{-\infty }^{\infty }\frac{\exp \left(\frac{2}{x^2+y^2+z^2+1}-2\right)}{\left(x^2+y^2+z^2+1\right)^4}dzdydx$ or ...
4
votes
1answer
112 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 ...
3
votes
2answers
756 views

SystemException[“MemoryAllocationFailure”, …] with NMaximize

I have a complicated analytical expression that needs to be maximized with respect to a parameter t: ...
13
votes
5answers
799 views

Gap in a continuous plot

Why do I get a gap in the plot below and how can I fix it? (If you are interested in it, you can see a new related question: How to plot an implicit value funtion, which is also a little chanlenging) ...
9
votes
1answer
247 views

10.0.2 breaks a recursive “trie” query

The 10.0.2 Dataset type system complication breaks a recursive trie constructor that worked in 0.1: ...
26
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. ...
8
votes
0answers
105 views

Bug in ExportString with Associations as ExpressionML?

Bug present in 10.0.2 or earlier, and persisting through 10.3 If I try to export this toy code as ExpressionML or just XML: ...
8
votes
4answers
418 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 ...
15
votes
1answer
325 views

Bug in plotting function using FindMinimum?

Bug introduced in 10.0 and persisting through 10.3 or later While working on an answer to RegionPlot from NDSolve, I came across this strange behavior of ...
2
votes
0answers
48 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
337 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/ ...
6
votes
2answers
231 views

SmoothHistogram inside Show doesn't respect plot range clipping?

You can try this for yourself. Run the following code a couple of times: ...
9
votes
1answer
237 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
238 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
195 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
3answers
342 views

Mathematica 10 ListPointPlot3D PlotTheme bug?

Bug introduced in 10.0 and fixed in 10.3 or earlier I am using Mathematica 10 to generate a 3D point plot of a crystal lattice structure. I wanted to set the ...
27
votes
2answers
354 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
215 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 ...
3
votes
0answers
56 views

Nested TensorContract bug

Bug introduced in version 9.0.0 or 9.0.1 and fixed in 10.1 or 10.2 When nesting TensorContract the result I get is wrong. Input: ...
7
votes
3answers
346 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 ...
22
votes
1answer
316 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 ...
18
votes
0answers
396 views

More Ticks::ticks errors in AbsoluteOptions in v10

Bug introduced in 7.0 or earlier and persisting through 10.4 or later While the specific bug affecting Plot described in AbsoluteOptions prints error messages in ...
7
votes
1answer
248 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
3answers
2k 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
327 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
168 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
270 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 ...
8
votes
1answer
452 views

Missing tick in plot

Bug introduced in 10.0.1 and persisting through 10.3.0 Consider this ...
2
votes
1answer
49 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. ...
14
votes
2answers
370 views

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 ...
3
votes
1answer
149 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
169 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 ...
6
votes
1answer
151 views

Symbolic geometry not working?

Bug fixed in 10.0.0+2014080602 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
69 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
112 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
74 views

How Unevaluated works Through its Attributes?

Check this example: ...
8
votes
1answer
360 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
368 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 ...
18
votes
1answer
192 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
564 views
0
votes
1answer
112 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
294 views

Weird behaviour when using Scale, Rotate in Graphics

Bug introduced in v8.0.4 or earlier and persisting through 10.3.0 (Edited to simplify drawing) I have a drawing of two tangent circles: ...