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
2answers
81 views

Why are some of the isomorphisms not bijective?

Bug introduced in 10.4 Mathematica computes all the isomorphisms between graph g1 and g2: ...
8
votes
1answer
113 views

Symbolic and numeric limit disagreeing on branch cut of ArcTan

Bug introduced after v8.0.4 and before v9.0.1, and persisting through v10.4.1. Investigating comments to my previous question lead me to the following problem: ...
5
votes
1answer
66 views

FunctionInterpolation produces many error messages when given high-precision input [duplicate]

Both FunctionInterpolation[1, {x, 0,1.00000000000000004}] and FunctionInterpolation[1.00000000000000004, {x, 0, 1}]; ...
8
votes
1answer
113 views

Integrate and NIntegrate disagreeing over branch cut of Sqrt?

Bug introduced after v8.0.4 and before v9.0.1, and persisting through v10.4.1. In Mathematica 10.2 I'm trying to integrate this piecewise continuous function, but ...
9
votes
1answer
153 views

Wrong limit: Limit[(1 + (-1)^n/n)^n, n -> Infinity]=1 (Mathematica 10.4 and W-Alpha)

Since $(1-\frac{1}{n})^n\to 1/e$ and $(1+1/n)^n\to e$, the sequence $(1+\frac{(-1)^n}{n})^n$ has no limit as $n\to\infty$, but has limits for odds and even numbers. If $n$ were taken to be real, there ...
10
votes
1answer
234 views

Vastly incorrect answers obtained by increasing WorkingPrecision with modified Bessel functions

Bug introduced in 7.0 or earlier and persisting through 10.4.1 This is a follow-up to this question regarding numerical instabilities occurring with modified Bessel functions. In trying to explore ...
5
votes
0answers
63 views

Cannot reproduce VectorDensityPlot solution from question 37459

Bug introduced in 10.0 or earlier and persisting through 10.4.1 or later (Reported to Wolfram Technical Support on 24 May 16) Using Mathematica 10.4.1 for Microsoft Windows (64-bit) (April 11, ...
9
votes
1answer
143 views

Something wrong when I apply Derivative on a SparseArray

Bug introduced in v5.0 or earlier, and persisting through v10.4.1. There, I create a SparseArray using command ...
4
votes
1answer
62 views

Plot option Filling conflicts with option PlotLabels

The regulars here discuss approaches to numerically unstable systems of higher-order PDEs, and I cannot even paint by numbers … (sigh) A Plot[] of simple curves with ...
8
votes
2answers
106 views

Why a function returns two different values if copied into a Notebook or imported with Get from a Wolfram Mathematica Package?

I have some Mathematica code that shows a behaviour I really cannot understand. The code only contains a bunch of function definitions. If I paste it in the Notebook Front End and I evaluate it, I ...
9
votes
2answers
152 views

HighlightGraph Problem

Bug introduced in 9.0 or earlier and persisting through 10.4.1 HighlightGraph does not work. ...
5
votes
0answers
121 views

Same input,different result? [duplicate]

Using this code,you can see,same input, but the output are different. So weird! If I copy this code here, it outputs normally. So what's the problem? Ps:I use ...
3
votes
1answer
63 views

Mathematica hang on a Manipulate expression

Manipulate[Plot[Erfc[x/(2 Sqrt[t])], {x, -5, 5}], {t, 0.1, 5}] With a fresh kernel, after evaluating this, Mathematica will hang immediately if I try to drag the ...
2
votes
1answer
39 views

Limit Relief plot output to specified X and y range

I have a table of values and I'd like to use ReliefPlot to visualise. Is it possible through the plot command to limit the $x,y$ range displayed? The help suggests ...
13
votes
1answer
107 views

Empty WhenEvent action crashes kernel

Bug introduced in 9.0 and persisting through 10.4.1 WhenEvent is new in 9.0. This is an example from the docs, slightly modified (action is wrapped in ...
6
votes
1answer
88 views

Why I cannot change the AxesStyle of the Plot?

Bug introduced in 8 or earlier and persists through 10.4.1 I am trying to plot the following single variable function: $$\small\frac{180 \sqrt{\pi ^2-625 t} \left(\pi ^2 (36 t-25)-1500 t \left(45 ...
0
votes
0answers
44 views

NDSolve kernel crash, affected by variable naming

The following isolated example cannot be further simplified much to reproduce a crash. I've already submitted the issue to TechSupport, but it seems this is not an easily reproducible case, so I'm ...
9
votes
0answers
55 views

CopyToClipboard freezes FrontEnd

This is freezing the FrontEnd: CopyToClipboard@ExampleData[{"Text", "AeneidEnglish"}] Are there system limits I'm hitting here?
10
votes
1answer
120 views

Creating Saveable->False notebooks

Bug introduced in 10.3 or earlier and persisting through 10.4.1 Reproduced on Windows 7, 10 Bug confirmed by WRI: [...] It does appear that the Saveable Notebook Option on Windows is not ...
5
votes
0answers
139 views

Integrate producing bad result

I noticed a bug in Mathematica. It computes incorrectly a definite integral ...
2
votes
1answer
70 views

Inconsistent Integrate behavior?

Evaluating the following integral with Mathematica Integrate[q0/(-1 + q0^2), {q0, 0, A}] gives a conditional expression ...
6
votes
2answers
167 views

NSolve behaving differently in V9, V10.3 and V10.4

EDIT In a very fast response from Wolfram they state that this is a known problem and give an example of it working for version 10.4.1. $Version "10.4.1 for Microsoft Windows (64-bit) (April ...
3
votes
0answers
78 views

Kernel crashes when computing finite difference mixed derivative with respect to y & z but works fine when computing with respect to x & y or x & z?

I am using Mathematica 10.4.0 on Ubuntu 16.04. I am trying to solve a set of differential equations using finite difference method on an NxNxN cubic grid (x, y, z directions). I am getting a weird ...
8
votes
1answer
120 views

ClipPlanes crashed in V10.4

In Mathematica 10, a very useful Graphics3D[] option ClipPlanes was introdued. ...
4
votes
0answers
82 views

Bug in Series[Pochhammer[1+n, n], {n,Infinity,1}]?

The function Pochhammer[1 + n, n] tends to infinity. We have ...
6
votes
1answer
162 views

How convert old version 2.2 .ma files to .nb notebooks?

I have a lot of old Mathematica version 2.2 .ma files that simply crash the current (10.4.1) version of Mathematica if I try to open them. Is there some way to ...
3
votes
3answers
95 views

1D ImplictRegion can not be plotted with RegionPlot

I am using Mathematica 10.4 In the documantion page of ImplicitRegion, there is an example ...
5
votes
0answers
123 views

Graphs' options vs JournalArticle stylesheet

Bug introduced in 10.4 and persists through 10.4.1 [...] This GridGraph behavior does appear to be a regression in Mathematica 10.4 from earlier versions. As ...
7
votes
1answer
67 views

DiscretizeRegion fails for a triangular region

I define an implicit region like R = ImplicitRegion[ 0 < Sin[u]/Cos[v] < 1 && 0 < Sin[v]/Cos[u] < 1, {{u, 0, 2}, {v, 0, 2}}] But when I ...
2
votes
1answer
92 views

Why is DiscreteConvolve incorrect?

Let $h[n]=(\frac{1}{2})^n u[n]-3(\frac{1}{2})^{n-1}u[n-1]$ $g[n]=3^n u[n]-\frac{1}{2}3^{n-1}u[n-1]$ I convolved $h[n]$ and $g[n]$ in Mathematica and obtained the following result: ...
7
votes
3answers
119 views

The very bottom of CellMargins is missing

Bug introduced in 8 or earlier and persists through 10.4 Edit 16. IV 2016 I've received an answer from WRI Support: [...] It does appear that CellMargins is ...
2
votes
0answers
61 views

Crash on use of CoefficientList

The Kernel of my Mathematica 10.4 seems to crash on certain use of the CoefficientList command. The line CoefficientList[x + y^2, {x, y}] Produces the matrix $$ ...
0
votes
1answer
46 views

Front end displaying all lines as dashed lines [duplicate]

Bug introduced in 10.0.1 and fixed in 10.0.2 Recently I've installed Mathematica 10.0 on my Ubuntu 14.4 Now I have some problems with its front-end, in particular it shows all lines as dashed ones ...
10
votes
0answers
113 views

Possible Bug in LinearSolveFunction with Sparse Vectors

Bug introduced in 5.0 and persists through 10.4.1 LinearSolveFunction is new in 5.0 Consider the following set of equations and corresponding variables: ...
9
votes
0answers
100 views

Is this a bug in DiscretizeRegion in 10.4?

Bug introduced in 10.4 and persists through 10.4.1 Consider the following implicit region: ...
8
votes
0answers
80 views

Defining a MeshRegion from a list of points and Polygons with duplicate points does not work in 10.4

Bug introduced in 10.4 and persists through 10.4.1 This code produces a MeshRegion in versions 10.0 through 10.3.1, ...
8
votes
2answers
163 views

Labeled destroys the log scales in “log” plots when notebook is re-opened

Bug introduced in 10 or earlier and persists through 10.4 While testing this pdf export bug caused by Labeled, I noticed that this function also destroys the log ...
9
votes
1answer
89 views

MeshCoordinates from a RegionBoundary no longer in proper order in version 10.4

Bug introduced in V10.4 and persists through 10.4.1 Given that I have the following data set ...
16
votes
1answer
220 views

Possible Bug in ArrayMesh

Bug introduced in V10.4 and fixed in 10.4.1 Suppose we have the following array from which we intend to create an ArrayMesh: ...
4
votes
2answers
122 views

A unexpected behavior in RelationGraph

Bug persisting through 10.4.1 Firstly we get these idiom ...
6
votes
0answers
99 views

SiegelTheta throws errors from calling Range with complex arguments

Bug introduced in 10.4 or earlier. This may or may not be related to the bug reported in this question. I was trying to verify the results of this challenge over on Code Golf with the following ...
6
votes
0answers
81 views

Spectral Radiance unit Flicks is not correct

I was pleasantly supersized that Mathematica (10.3, 10.4 and 10.4.1) had the unit $\text{flick}$ until I spent several hours trying to figure out why all my calculations were million times off! I ...
7
votes
1answer
69 views

Wrong result for mesh generation when using integers for mesh size

Can somebody explain me why this happens? ...
4
votes
1answer
113 views

Can't open Mathematica on Linux Mint 17.3 KDE

Bug introduced in 10.4.0 I'm on Linux Mint 17.3 with KDE, and can't open Mathematica 10.4 It opens the activation key window, then it shows 'activation succesfull' and closes. running top shows ...
5
votes
1answer
90 views

SystemException[“MemoryAllocationFailure”] Uncaught SystemException returned to top level from NSolve

Bug introduced in 10.0.0 When trying to solve 8 equations in 8 unknowns, I get SystemException["MemoryAllocationFailure"]. I am not sure if I am doing something ...
14
votes
1answer
314 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: ...
4
votes
0answers
55 views

Possible bug with ticks with superscripts, Labeled and Export to PDF

Here is the minimal working example that gives me problems with Mathematica 10.4 on OSX ...
8
votes
1answer
176 views

Why RegionDifference cannot work normally?

Bug introduced in 10.0 and fixed in 10.4 Given that two polygons regions as below: ...
7
votes
1answer
187 views

Mathematica freezes on autocomplete [duplicate]

For some reason, Mathematica has started freezing whenever I try to type anything into it. I can paste text into notebooks, but as soon as I start typing the window will freeze and it will cease to ...
1
vote
0answers
50 views

UI problem of changing color of text

Bug introduced in 10.0.1 and persisting through 10.4.0 It seems that Mathematica has some problem of changing color of text in a notebook. When I choose a color, I need to click "OK" several times ...