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18
votes
2answers
696 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 ...
3
votes
2answers
123 views

Strange results from evaluating a simple integral

I am trying to do a seemingly simple integral in Mathematica 10 and am getting strange results: ...
16
votes
1answer
313 views

Mathematica 10.1.0.0 (OS X) high CPU usage even for empty notebook

Since update to 10.1.0.0 Mathematica has a high CPU usage even when no evaluation is running (even for empty notebook opened). I am running OS X Yosemite 10.10.3 on the following configuration: ...
24
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 ...
5
votes
1answer
156 views

Conversion to TeX results in infinite recursion

Bug introduced in 9.0 and persisting through 10.1 or later Confirmed as bug by WRI: [CASE:3059683] I'm trying to export to $\TeX$ a Message cell. For example, ...
2
votes
0answers
70 views

Arrowhead becomes unattached to line in a Graphics3D Manipulate

I'm trying to Manipulate a Graphics3D figure, and am seeing some errors. If I execute the following code, and move the slider, ...
0
votes
0answers
25 views

Possible bug of Exporting as HTMLFragment at Linux

This is the result of Mathematica 10.0.2 of Linux Version. There are two style inside one tag, and this fragment cannot be Imported as XML by Mathematica. This is the result of Mathematica 10.1 of ...
2
votes
1answer
57 views

Import of data from ODS

With SetDirectory["~/Downloads"]; ifile = "test.xls"; TimeConstrained[idata = Import[ifile, {"Data", 1}], 5]; I can achieve the desired result of importing the ...
8
votes
1answer
110 views

ListConvolve Memory Hemorrhage

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 array. I do this iteratively so that I can modify the ...
4
votes
0answers
76 views

Memory leak when looping over FindInstance in version 10.0.0

When I run the following (simplified) code with FindInstance, my MemoryInUse is constantly increasing: ...
3
votes
1answer
155 views

Exporting multiple arrays in a single HDF5 file in Mathematica 7

I am using Mathematica 7 and I need to export a table of data and the corresponding x and y arrays. I would like to format them ...
0
votes
0answers
69 views

Benchmarking in V10.1.0 not showing the correct verision of Mathematica?

This was done in V10.1.0, but it's showing that as if it was done in V10.0.0? Computer Specs:(for those who are interested) ...
4
votes
0answers
41 views

Wrong autogenerated package from notebook containing #key and Part as subscript

Bug introduced in 10.0.0 and persisting through 10.1.0 or later Mathematica v10.1.0, under Windows 8.1 x64 Mathematica v10.0.2, under Windows 1) Define a function in an initialization cell: ...
5
votes
1answer
94 views

Detecting nearly simultaneous WhenEvents in NDSolve

I am trying to solve a system of (many) coupled nonlinear ODEs. I need to decouple some of the equations (i.e. set the time derivatives of some of the dependent variables to zero) at various points in ...
4
votes
2answers
90 views

SetOptions for CoordinatesToolOptions for DateListPlot?

DateListPlot does not respect my Options setting for CoordinatesToolOptions: ...
4
votes
0answers
45 views

Mathematica doesn't italicise a function's argument in the function's body if it appears in the denominator and the denominator is edited. A bug?

Bug introduced in 10.0.0 and persisting through 10.1.0 or later I'm using Mathematica 10.0.2 for Mac. On a fresh kernel, I type this: a is not italicised ...
5
votes
2answers
121 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): ...
4
votes
0answers
88 views

Why don't products of Dirac deltas integrate correctly?

The integral $\int \int \ \delta(x) \delta(y) \ dx dy=1$ evaluates to 0 in Mathematica ...
2
votes
1answer
33 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
707 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 ...
6
votes
0answers
164 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
355 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
423 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
50 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: ...
26
votes
1answer
351 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
63 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
170 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
140 views
11
votes
1answer
275 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
235 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
75 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
304 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
58 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
171 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
136 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
36 views

Does TakeWhile and LengthWhile work with Greater? [closed]

TakeWhile[{1, 2, 3, 4, 5}, # > 3 &] gives me {}. Similarly ...
10
votes
0answers
138 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
317 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
144 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
148 views
4
votes
1answer
72 views
6
votes
2answers
391 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 ...
29
votes
2answers
633 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
111 views

Memory leak in MemberQ

Bug introduced in 10.0.0 and fixed in 10.0.2 Consider the following code. ...
11
votes
0answers
136 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
104 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
256 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 ...