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25
votes
2answers
621 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 ...
4
votes
1answer
156 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 ...
2
votes
1answer
76 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 ...
6
votes
0answers
71 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}] ...
11
votes
1answer
204 views

Possible bug: Quantity[2,“meters”] returns 2 None meters

I'm using 10.0 for Linux. Trial 1: Quantity[2,"meters"] 2 None meters Trial 2: Quantity[2,"Meters"] 2 meters Trial 3: ...
21
votes
2answers
920 views

Save as pdf broken in version 10.0.2?

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 Export function works ...
6
votes
1answer
142 views

Interpolation on a regular square grid spanning a triangular domain

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 ...
5
votes
0answers
67 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 ...
7
votes
1answer
139 views

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

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) = log (r) + i \pi \\ ...
9
votes
1answer
99 views

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

Binormal and Multinormal can both be used to represent normal random variables: ...
10
votes
2answers
449 views

Why does ListPlot ignore some global options?

Bug introduced in 7.0.1 or earlier and fixed in 8.0.1' Why does the following plot no use the global PlotMarkers option? ...
15
votes
2answers
660 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
1answer
75 views

TabView Alignment problem for content larger than a view area

When content is larger than ImageSize of TabView then the top edge is cut off even with ...
4
votes
5answers
176 views

PlotLegends for ListPlot with more than 15 curves?

I'm running into trouble getting the right PlotMarkers in the legend of a ListPlot of many curves. Simple example: ...
1
vote
1answer
64 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 ...
1
vote
0answers
34 views

Reduce and roots of an irrational inequality

I use command Reduce to solve an inequality. First, I used Reduce[Sqrt[4 x + 5] - Sqrt[-6 x + 10] <= Sqrt[2 x - 1], x] and ...
0
votes
2answers
39 views

SequenceAlignment behavior

When I do: SequenceAlignment["-0.999995756767227832383453368554576431549","-0.999995756767227832383346049698547342279"] I get: ...
7
votes
1answer
364 views

Mathematica 10 doesn't support path containing Chinese characters

Note: This works correctly in version 10.0.2. I tried to import file in Mathematica 10 ( windows 7 system), the path contains some chinese characters. After holding ctrl+shift, and drag the file ...
12
votes
1answer
165 views

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

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: ...
13
votes
2answers
221 views

Min, Max are slow on TimeObjects

There's something wrong with how Min and Max are implemented for TimeObject: ...
11
votes
1answer
400 views

Kernel crashes when plotting $z=\sqrt{(x^2 + y^2)}^0$

Bug introduced in 7.0.1 or earlier and fixed in 10.0.1 I'm plotting a 3D function, which makes Mathematica V9 (running on Windows 7) crash all the time. Does this only happen for me or for somebody ...
1
vote
0answers
29 views

Syntax error in debug mode

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 the input form?
2
votes
1answer
24 views

Issue with the debug tools window

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 ...
16
votes
3answers
356 views

Are there any tutorials on version 10 notebook templating and report generation? Are there missing docs?

I am trying to understand the new templating in version 10. While there is a general documentation page with links to docs for each new function, so far I am unable to find any report generation ...
4
votes
1answer
105 views

How to use Get on a folder

In the documentation for Get it says: If the file found by <<name is a directory, the Wolfram Language will try to ...
8
votes
2answers
97 views

Pattern matching with Complex. Feature or a bug?

I have run into some strange behavior while doing some pattern matching. First, this works as expected: Exp[2 I u x] /. Exp[Complex[0, a_] u x] :> a (* 2 *) ...
2
votes
1answer
131 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 ...
1
vote
0answers
80 views

Incorrect output from InverseFourierTransform

Bug introduced in 8.0.4 or earlier and fixed in 9.0.1 or earlier I am trying to compute the inverse Fourier transform of this expression ...
13
votes
2answers
601 views

PlotMarkers problem in ErrorListPlot, Mathematica 10

Bug introduced in 10.0.0 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 for ...
3
votes
2answers
142 views

Integral does not converge (when it should)

I was looking at integrals like: Integrate[HermiteH[50, x]*Exp[-x^2], {x, 0, Infinity}] which gave me a "does not converge on $(0,\infty)$" error. On the other ...
16
votes
0answers
187 views

A documented syntax of FileNames doesn't work?

bug present as of 10.0.2 According to the documentation for FileNames: However when I attempt to use this syntax I get an error: ...
8
votes
2answers
235 views

Webdings are different on V10 vs V9. Why?

I use FontFamily->"Webdings" in interfaces in several places, but among other things for custom opener icons, for example I use the following "icons" for open and closed openers: In version 10 this ...
3
votes
2answers
132 views

Strange interaction between Module and ListPlot

Why is the variable a ending up assigned to {1,2,3} after executing Module[{a}, a=Range[3]; ListPlot[a] ]
1
vote
1answer
43 views

FrameTicks in BarChart

I am finding it a strange issue. I want to make a BarChart as ...
7
votes
1answer
255 views

ReadList can't read correctly

Bug fixed in version 10.0.2 on Linux I'm trying to load some data into Mathematica from some files generated by fortran. But ReadList seems can't get the number correct. Here is a simplified ...
12
votes
1answer
253 views

Why is my rasterized graphic blank?

Bug introduced in 7.0 or earlier, and persisting through 10.0.2 or later (OSX 10.10.2) Consider the following code: ...
4
votes
0answers
59 views

Exclusion disappears but style doesn't work

Consider this code: f[x_]:=(6 + 4 x + x^2 - x^3)/(x-2) Plot[f[x], {x, -10, 10}, Exclusions -> {2}, ExclusionsStyle -> Directive[Red, Dashed]] It produces ...
3
votes
2answers
57 views

ReadLine[file] after reopening a closed stream doesn't read at the beginning of file?

Take a text file from your system: file = OpenRead["path/to/your/file"] ReadLine[file] Close[file] Here ReadLine[file] ...
21
votes
1answer
385 views

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

This is another question on the design choices in Mathematica. I understand that without direct reply from the developers it may not be possible to give a definitive and exhaustive answer to "why" ...
12
votes
1answer
214 views

Messages leak out from Block

When assigning message to a symbol localized by Block, I would expect that this message is not accessible outside of Block, but ...
6
votes
0answers
143 views
5
votes
1answer
115 views

Grid rows height & SpanFromAbove issue

I would like to understand why the following code produces such a different result (Mathematica 9, Win7). Is this a bug? Is there a way to avoid this line height problem? ...
7
votes
1answer
54 views

Testing Notebook severe slowdown with newlines

I am having a severe slowdown problem with Mathematica 10 new Testing Notebook feature (File -> New -> Testing Notebook). Please try this simple test: Now introduce some newlines and try again: ...
3
votes
1answer
91 views

OutputResponse in V9 vs V10

I have same code that works in version 9.0.1, but not in version 10.0.1.0 (according to @Sektor, it works in 10.0.0.0, too). ...
4
votes
1answer
125 views

Definitions are not distributed to parallel kernels

I have a small package with utilities, which looks like that: ...
4
votes
1answer
142 views

Extra spaces when exporting strings into pdf (bug, linux)

Rationale: Imagine you would like to create a publication quality figure in Mathematica, from under Linux. Naturally, it will contain text/labels. Problem: Here is a simple string ...
8
votes
3answers
199 views

Functional defined Ticks of LogLinearPlot does not work

Bug introduced in 10.0.0 and persisting through 10.0.2 or later version 10 $Version "10.0 for Microsoft Windows (64-bit) (June 29, 2014)" Consider three ...