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.

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5
votes
2answers
141 views

Kernel quits without error in NDSolveValue

I am using the latest 10.1. The following single line command makes the kernel quit without error message (just a beep): ...
2
votes
1answer
34 views

upper limit with `PlotStyle` in `GeoListPlot` in v10.1

Confirmed bug in v10.1 Let's start with the code below: ...
28
votes
2answers
724 views

eigenvector bug?

Bug introduced in 7.0.1 or earlier and fixed in 10.0.0 I have a fairly simple $3\times3$ complex matrix, $$ M=\left( \begin{array}{ccc} \frac{7}{2}-\frac{i}{2} & -1+i & \frac{1}{2}+\frac{5 ...
7
votes
0answers
183 views

Empty Blank regression in v10.1

In v10.1.0.0 on Linux, when Blank[] is used in Alternatives with pattern that can match a sequence, whole pattern unexpectedly ...
10
votes
4answers
356 views

Correct way to integrate a certain function

I want to integrate $$ \int_{0}^{2\pi} dt_1 \frac{a + b*\cos(t_1 - t_2)}{c + d*\cos(t_1 - t_2)} $$ where $a, b, c, d, t_2$ are real numbers and $c + d > 0$ & $0 \leq t_2 \leq 2\pi$. I used ...
22
votes
1answer
430 views

Why does list assignment with a packed array result in unpacked values?

Bug introduced in 5.2 or earlier and fixed in 10.1.0 This is another question on the design choices in Mathematica. I understand that without direct reply from the developers it may not be ...
1
vote
1answer
52 views

`ResamplingMethod -> None` in `TimeSeries` does NOT take any effect in v10.1

Possible bug in v10.1 ResamplingMethod -> None in TimeSeries does NOT take any effect in v10.1. Try: ...
27
votes
1answer
361 views

many indefinite integrals do not evaluate in 10.1, looking for the cause

Many integrals no longer evaluate in V 10.1 when they did in 10.0.2 Here are some 23 integrals as an example, that all produced results in V 10.0.2, but now all returns unevaluated! I am hoping ...
1
vote
1answer
66 views

Bug with DateListPlot with ToolTip with NumberForm?

Is anyone able to confirm if this is a bug in version 10.1 on Windows 7 Pro? I am attempting to produce a DateListPlot with ...
11
votes
1answer
187 views

Compability between Graphics coordinates and shifted projections in GeoGraphics

Edit 27.01: Confirmed bug. V. 10.0.0 - V. 10.1.0 I'd expect GeoGraphics to handle positions of points since they are provided ...
8
votes
1answer
147 views
11
votes
1answer
277 views

Possible bug with second argument of Dynamic

Bug fixed in V 10. According to the documentation, Dynamic Details & Options section, especially: For interactive mouse operations ...
3
votes
1answer
56 views

LineScaledCoordinate problem for exact coordinates

Edit: Confirmed bug. CASE:2326540. Still the case in V 10.1. Solution: Wait and use N meanwhile. I've faced this problem ...
9
votes
3answers
239 views

Problem with CurrentValue[“MouseOver”] when graphics are wrapped with Deploy

Bug reproduced in: V 9.0.1 - 10.1 Please take a look at following toy example: ...
7
votes
1answer
78 views

Iterator variable not blocked in ParametricPlot

Introduced in 10.0, persists through 10.1 It appears that perhaps the iterator variable r is not Block-ed in the ...
14
votes
2answers
318 views

Messages leak out from Block

fixed in 10.1 When assigning message to a symbol localized by Block, I would expect that this message is not accessible outside of ...
2
votes
0answers
60 views

Strange Integrate messages / $RecursionLimit being ignored

Introduced in 10.1.0 The following behavior was observed in Mathematica 10.1 (Windows 64 bit) When attempting to evaluate the following integral, Mathematica outputs several messages which appear ...
8
votes
2answers
174 views

Finding the minimum vertex cut of a graph

Bug present in at least versions 9.0.1, 10.0.2 and 10.1.0 It seems that Mathematica is not correctly finding the smallest set of vertices that will disconnect a graph. Here is an example: ...
7
votes
1answer
142 views

Instant kernel crash when using `+=` on `SparseArray` with repeated entries

Bug introduced in 5.2 and fixed in 10.1.0 Not sure if this is known behavior or not, but the following two lines produce an instant kernel crash (I'm using Mathematica 10.0.1 Windows 64-bit): ...
0
votes
1answer
39 views

Does TakeWhile and LengthWhile work with Greater? [closed]

TakeWhile[{1, 2, 3, 4, 5}, # > 3 &] gives me {}. Similarly ...
11
votes
0answers
149 views

RegionPlot returning a number

Introduced in 10.0, persists in 10.1. I had updated my mathematica to version 10 few days ago. And I had been shocked by the following fact: ...
2
votes
1answer
329 views

Display a labeled multigraph

Introduced in version 9, fixed in version 10. Thanks Szabolcs for providing this screenshot showing that the bug is fixed. Despite the integration of graphs and networks, multigraphs are ...
4
votes
1answer
149 views

What is “MouseDragged”?

Maybe I'm picky but I don't consider static pressed button: "dragging". EventHandler[Framed[1], {"MouseDragged" :> (Print@RandomReal[])}] neither does ...
9
votes
0answers
151 views

InputAliases and SelectionPlaceholder issue in V10

Let's create an example and do the test: ...
4
votes
1answer
74 views
6
votes
2answers
393 views

Don't understand why Mathematica is complaining about my Graph expression; how can I fix it?

The Tube in Arrow problem is fixed in version 10. Note that in version 10 Graph3D must be ...
30
votes
2answers
662 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: ...
3
votes
1answer
117 views

Memory leak in MemberQ

Bug introduced in 10.0.0 and fixed in 10.0.2 Consider the following code. ...
11
votes
0answers
141 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 ...
6
votes
0answers
107 views

How to get star coordinates for a given time

In the documentation of StarData, there is an example that shows how to get the altitude of Sirius at a given time (in the horizontal coordinate system). However, ...
6
votes
0answers
258 views

Bug report: Attempting to Save Selection As… in a magnified Notebook fails with errors [duplicate]

Bug introduced in 9.0.1 or earlier and persisting through 10.0.2 or later I have found that attempting to Save Selection As... in a magnified Notebook fails with errors. On my system it can be ...
11
votes
2answers
221 views

Sqrt disappeared when exporting plot to PDF in version 10

Bug introduced in 10.0.0 and fixed in 10.1.0 In version 10, if we plot with Sqrt in y-axis, and export to PDF, the square root disappears in the PDF file. ...
9
votes
4answers
413 views

Should DSolve always return solution with constant of integration?

Bug introduced in 10.0.0 and fixed in 10.0.2 Clear[y,x]; DSolve[D[y[x], x] - y[x]^2 + y[x]*Sin[x] - Cos[x] == 0, y[x], x, GeneratedParameters -> C] or ...
10
votes
3answers
368 views

“Stacked” BarChart with BarOrigin $\to$ Top makes y-tick marks negative

Bug introduced in 7.0 or earlier and fixed in 10.0.0 When BarChart layout is "Stacked", setting ...
7
votes
1answer
396 views

Why does Simplify with TimeConstraint return Removed[$$Failure]?

Bug introduced in 7.0 or earlier and fixed in 10.0.0 I have a rather ugly Mathematica expression (edit: shown below) that I would like to simplify with a time constraint; simplifying without a time ...
11
votes
1answer
138 views

Incorrect use of Scaled causes crash

Bug introduced in 8.0 and fixed in 10.1.0 While playing with Scaled, I made a syntax error which caused a crash instead of an error message ... Do you get the ...
9
votes
1answer
173 views

Raster to Image conversion problem

Update: NOT fixed in v 10.1 (Mar2015) (10.1 behaviour is the same that with 10.0.2) There are 3 ways to convert a Raster into an Image : only 1 works for me with version 10.0.1,10.0.2,10.1.0 , and ...
8
votes
3answers
191 views

Problem with Classify Documentation Center page

Every time I try to open the "Neat Examples" tab on the documentation center page for the function Classify Mma gets stuck showing "Progress Dialog". The problem ...
20
votes
1answer
459 views

Excessive memory use by Mathematica kernel in 10.0.2 after executing simple commands

Update: The issue has been fixed in Mathematica 10.1! :) Warning: the code below may hang your system if you have the Suggestions Bar enabled in Mathematica < 10.1. When issuing the ...
14
votes
2answers
195 views

Bug in Operator Form of StringCases

fixed in 10.1 (windows) According to the documentation there's an operator form for StringCases ?StringCases Here is the ...
9
votes
2answers
234 views

Mathematica integration failure - new or old?

Bug introduced in 7.0.1 or earlier, persists through 10.1 Consider the following integral: Integrate[Log[a Cos[x]^2 + b Sin[x]^2], {x, 0, 2Pi}] This takes a ...
2
votes
0answers
45 views

Syntax error in debug mode

Bug persists through 10.1 It appears that in debug mode, the \[Piecewise] symbol gives syntax error. Is it a bug? Are there ways to fix that except write it in ...
23
votes
3answers
640 views

Symbolic integration error

fixed in 10.1 (windows) I'm running Mathematica 10.0.0 and encountered a disturbing error in the symbolic integration of a rather simple function ...
15
votes
2answers
811 views

PlotMarkers problem in ErrorListPlot, Mathematica 10

Bug introduced in 10.0.0, fixed in 10.1 I recently upgraded to Mathematica 10, very excited about the multiple undo function of course. However I very quickly noticed that if I specify a setting ...
5
votes
1answer
176 views

Why can't I export graphs with loops in V10?

bug persists through 10.1 (windows) I don't understand why the following does not work: ...
8
votes
2answers
249 views

Graphics3D not rendering Ball as a filled object

Bug introduced in 10.0.0, persists though 10.1 Mathematica V10 introduced the built-in function Ball. The documentation page, ...
7
votes
1answer
223 views

Problem with Neumann condition in quarter disc

Bug persists through version 10.1 So I'm following the available examples in version 10 for FEM, The plane stress operator is shown as this ...
14
votes
0answers
178 views

Bug(?) in version 10: Tooltip and ListPointPlot3D

Bug introduced in 10.0.0, persists through 10.1 The coordinates of a point in a three dimensional graph can be shown in a tooltip: ...
9
votes
3answers
251 views

Functional defined Ticks of LogLinearPlot does not work

Bug introduced in 10.0.0 and persisting through 10.1 or later version 10 $Version "10.0 for Microsoft Windows (64-bit) (June 29, 2014)" Consider three ...
7
votes
3answers
311 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 ...