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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4
votes
0answers
59 views

Using indexed array elements as integration dummy variables with EvaluationMonitor. Bug?

As part of a routine that must cope with integration of varying numbers of dimensions, I would like to use indexed variable names (e.g., x[0], x[1],...) as dummy integration variables. However, it ...
0
votes
0answers
33 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 ...
5
votes
0answers
109 views

Trouble understanding TrackedSymbols

While developing a relatively complex demonstration for Manipulate I encountered the problem that my output was unintentionally self-updating in an endless loop. ...
6
votes
2answers
243 views
15
votes
3answers
283 views

Can't inject EncryptedObject

Bug status Introduced with Encrypt in 10.0 Still there in 10.2 Here are minimal examples: ...
1
vote
1answer
149 views

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

Bug introduced in 10.1 and fixed in 10.2 (partially) 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) ...
3
votes
2answers
144 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: ...
20
votes
1answer
834 views

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

Bug fixed in 10.1.0 (see answer for details) 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 ...
4
votes
0answers
52 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
0answers
115 views

Memory leak when looping over FindInstance in version 10.0.0

Bug introduced in 10.0 and fixed in 10.1 When I run the following (simplified) code with FindInstance, my MemoryInUse is ...
4
votes
1answer
72 views

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

Bug introduced in 10.0 and fixed in 10.2 Let's start with the code below: ...
3
votes
1answer
55 views

Is this behavior of DistributionFitTest together with StableDistribution a bug?

I have been using DistributionFitTest to fit the following data: ...
5
votes
2answers
216 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): ...
7
votes
0answers
97 views

MoonPosition and TimeZone support

With this question, I noticed some some weird results of MoonPosition. Consider the following code: ...
5
votes
1answer
59 views

DateObject for current date skips a day when crossing the date line with TimeZone

The DateObject was introduced in version 10 of Mathematica. One can call it to fetch the current local date and time: ...
5
votes
2answers
109 views

Dataset Query using Composition fails but RightComposition works - why?

V10.1 on Win764 Enterprise. In this (CORRECTED) example the two Queries may be compounded into one using RightComposition sucessfully... ...
11
votes
1answer
294 views

Empty Blank regression in v10.1

Bug introduced in 10.1 and fixed in 10.2.0 In v10.1.0.0 on Linux, when Blank[] is used in Alternatives with pattern that can ...
8
votes
2answers
145 views

SetOptions for CoordinatesToolOptions for DateListPlot?

Bug introduced in 10.0 and persisting through 10.2.0 or later DateListPlot does not respect my Options setting for ...
4
votes
0answers
48 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: ...
1
vote
1answer
57 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: ...
8
votes
1answer
234 views

Why don't products of Dirac deltas integrate correctly?

Bug introduced in 10.0.0 and fixed in 10.0.1 The integral $\int \int \ \delta(x) \delta(y) \ dx dy=1$ evaluates to 0 in Mathematica ...
1
vote
1answer
82 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 ...
13
votes
1answer
183 views

MinMax function (Mathematica v10.1.0) conflicts with NDSolve`FEM`MinMax?

Bug introduced in 10.1.0 and fixed in 10.2.0 Some problem in v10.1.0 (Windows 8.1 x64) and the new MinMax... ...
8
votes
1answer
97 views

Iterator variable not blocked in ParametricPlot

Bug introduced in 10.0 and persisting through 10.2 or later It appears that perhaps the iterator variable r is not Block-ed ...
3
votes
1answer
95 views

Strange Integrate messages / $RecursionLimit being ignored

Bug introduced in 10.1.0 and fixed in 10.2.0 The following behavior was observed in Mathematica 10.1 (Windows 64 bit) When attempting to evaluate the following integral, Mathematica outputs ...
7
votes
1answer
129 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 ...
15
votes
0answers
217 views

RegionPlot returning a number

Bug introduced in 10.0 and persisting through 10.2 or later I had updated my mathematica to version 10 few days ago. And I had been shocked by the following fact: ...
27
votes
1answer
394 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 ...
9
votes
1answer
97 views

FullSimplify Produces Result that Includes Hold

Bug fixed in 10.2.0 In the course of developing a solution to Question 79183, I solved the equation ...
12
votes
1answer
175 views

ListConvolve Memory Hemorrhage

Bug introduced in 10.0.0 and fixed in 10.2.0. 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 ...
4
votes
1answer
130 views

Memory leak in MemberQ

Bug introduced in 10.0.0 and fixed in 10.0.2 Consider the following code. ...
9
votes
0answers
154 views

Behavior of TimelinePlot with multiple datasets of associations

Bug introduced in 10.1 and persisting through 10.2 or later The following TimelinePlot behaves as I would expect: ...
7
votes
0answers
115 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, ...
33
votes
2answers
800 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
65 views

Set fontsize using setoptions not working in DateListPlot

I'm trying to use SetOptions to set the global font size for DateListPlot plots. My problem is that this is not working. Event this simple test does not change the font size: ...
6
votes
1answer
235 views

Mathematica doesn't read .mat file

To be honest, I don't know if the problem is with Mathematica, or with the file; it's been generated by PicoScope, a PC-based oscilloscope software, not Matlab. The error I get in Mathematica 9 when I ...
8
votes
0answers
113 views

TimeConstrained[Delete[Range[1],1]] causes kernel crash

Run these two samples of code here (AFTER SAVING YOUR CURRENT WORK): Do[ TimeConstrained[ While[True, Delete[{1}, 1]; ];, 0.1];, {100}] ...
12
votes
2answers
385 views

Interpolation on a regular square grid spanning a triangular domain

Bug introduced in 10.0 and fixed in 10.1 Context I am trying to identify contours of a function which is sampled on a cartesian grid within an irregular (triangular) region. Here is the data ...
8
votes
2answers
200 views

Strange behavior of Limit in Mathematica 9 and 10 (bug?)

fixed in 10.1 Consider a complex logarithm where the branch cut is defined along the negative axis. Then for $r$ and $\eta$ real and positive we can write $ \lim_{\eta \to 0} \log(-r+ i \eta) = ...
9
votes
2answers
126 views

Why are Binormal and Multinormal giving me different results when I use NExpectation?

fixed in 10.1 (windows) Binormal and Multinormal can both be used to represent normal random variables: ...
6
votes
2answers
376 views

Convolve does not get the correct answer

Convolve[Sinc[x], Exp[-x^2], x, X] (* E^-X^2 π *) is obviously false, but why? Any suggestions ?
6
votes
1answer
130 views

DSolve giving strange error messages solving a PDE

Consider this set of PDE $$\left( x^{2}+y^{2}\right) \dfrac {\partial u}{\partial x}+n x y\dfrac{\partial u}{\partial y}=0$$ have general solution $$u\left( x,y\right) =f\left( \dfrac {1}{n-1}\dfrac ...
6
votes
6answers
267 views

PlotLegends for ListPlot with more than 15 curves?

fixed in 10.1 (windows) I'm running into trouble getting the right PlotMarkers in the legend of a ListPlot of many curves. ...
1
vote
1answer
165 views

Cannot import Excel (xls or xlsx) files which have non-ASCII characters in the name

It seems mma9 works fine, but with mma10 it fail to load a file name with Chinese characters. I use MacBook Pro(Retina) with OSX 10.10.2, and Mathematica 10.0.0.0. I need the file name with Chinese ...
9
votes
2answers
284 views

How do I prevent Mathematica from reformatting the expressions that I copy as LaTeX?

When I choose something that looks like $$ W_1(1)=\rho ^{5} \omega _1 \rho ^{-5}\\ W_2(2)=\rho ^{23} \omega _2 \rho ^{-23}\\ W_3(3)=\rho ^{10} \omega _3 \rho ^{-10}\\ W_4(4)=\rho ^{9} \omega _4 \rho ...
6
votes
1answer
256 views

Conversion to TeX results in infinite recursion

Bug introduced in 9.0 and persisting through 10.2 or later Confirmed, as bug, by WRI: [CASE:3059683] I'm trying to export to $\TeX$ a Message cell. For ...
14
votes
3answers
276 views

Min, Max are slow on TimeObjects

fixed in 10.1 (windows) There's something wrong with how Min and Max are implemented for ...
14
votes
1answer
194 views

Major slowdown when using a ColorFunction with more than one named scheme

Problem remains in 10.1 Earlier Kuba noted a major slowdown with code Simon Woods posted. Here is a simplified example. First a color function using two different named gradient schemes: ...
4
votes
1answer
44 views

Issue with the debug tools window [duplicate]

I have an issue with the debug tools window. It appears on its own periodically. I have turned it off in the Evaluation menu, and have gone to "Debugger Controls" and deselected "Show Debugger Tools ...