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8
votes
2answers
72 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
123 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
76 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
519 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 ...
18
votes
1answer
725 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 ...
3
votes
2answers
130 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
179 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
225 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
117 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
42 views

FrameTicks in BarChart

I am finding it a strange issue. I want to make a BarChart as ...
7
votes
1answer
245 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
57 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
55 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
373 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
205 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
137 views
5
votes
1answer
114 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
50 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
86 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
116 views

Definitions are not distributed to parallel kernels

I have a small package with utilities, which looks like that: ...
11
votes
0answers
182 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: ...
4
votes
1answer
129 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
182 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 ...
32
votes
6answers
2k views

ColorData[“VisibleSpectrum”] is wrong?

I am trying to visualize the visible spectrum using the built-in ColorData["VisibleSpectrum"] function which "colors based on light wavelength in nanometers". But I ...
5
votes
0answers
102 views

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

Bug introduced in 5.2 and persisting through 10.0.2 or later 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 ...
11
votes
2answers
179 views

Dispatch displays rules incorrectly and evaluates when displaying

Bug introduced in 10.0.0 and fixed in 10.0.1 Consider this a = 3; disp = Dispatch[Unevaluated[{a -> 2}]] We see the rule ...
4
votes
0answers
27 views

Bug? Kernel Crash on SparseArray access [duplicate]

Bug introduced in 7.0 or earlier and persisting through 10.0.2 or later The following simple code ...
2
votes
3answers
129 views

Custom Grid Lines for ProbabilityScalePlot

I'm plotting up some data using a ProbabilityScalePlot in Mathematica 8. It currently looks like so: Code: ...
6
votes
3answers
401 views

How to use PlotRange -> All with ListLogLinearPlot?

Bug introduced in 8.0 and fixed in 10.0.0 I would like to generate a ListLogLinearPlot that automatically shows all the data points. However the option ...
4
votes
1answer
75 views

Strange appearance artefact in ActionMenu

I've noticed a strange thing with ActionMenu which can also be seen in the documentation for V9 and V10 on OS X. It seems that when an ...
4
votes
2answers
90 views

DeleteMissing issues [duplicate]

Has anyone had problems with the DeleteMissing function in Mathematica 10.0.2? I find that it rarely works. Most of the time it returns a list which still contains ...
6
votes
4answers
801 views

ParametricPlot and PlotLegends don't seem to cooperate

Bug introduced in 9.0.1 -- fixed in 10.0.0? I noted that only part of the legend shows up in ParametricPlot using v9's ...
6
votes
1answer
122 views

Long running ToElementMesh with very “large” domains

I'm trying to solve a system of PDE over a large domain. This doesn't means I need to have a huge amount of mesh points and mesh elements to discretize the domain. Just that the domains has a big ...
9
votes
2answers
352 views

Grid - problem with ItemSize being ignored

Bug introduced in 7.0 or earlier and persisting through 10.0.2 or later I have run into another problem with Grid today. An explicitly specified ...
2
votes
2answers
102 views

KeyMap on a flat Dataset (i.e. Dataset@Association)

How can I go from Dataset[<|"A" -> 1, "B" -> 2, "C" -> 3|>] to ...
4
votes
1answer
119 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 ...
7
votes
1answer
123 views

Compability between Graphics coordinates and shifted projections in GeoGraphics

I'd expect GeoGraphics to handle positions of points since they are provided with GeoPosition wrapper. But it is not the case ...
1
vote
1answer
44 views

LineScaledCoordinate problem for exact coordinates

Edit: Confirmed bug. CASE:2326540. Solution: Wait and use N meanwhile. I've faced this problem writing an answer for ...
10
votes
0answers
88 views

Incorrect use of Scaled causes crash

Bug introduced in 8.0 and persisting through 10.0.2 or later While playing with Scaled, I made a syntax error which caused a crash instead of an error message ...
10
votes
0answers
88 views
6
votes
3answers
127 views

FontSize problematic when used in LabelStyle

Bug introduced in 9.0.0 and persisting through 10.0.2 or later Consider the following few examples, each producing a trivial graphic object: ...
4
votes
0answers
42 views

Extraneous reaped data with NDSolve and WhenEvent

In exploring What is the range of values $x$ for which $f(x)$ is higher than $k$ over a given domain?, I came across the following strange behavior: ...
20
votes
1answer
346 views

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

Warning: the code below may hang your system if you have the Suggestions Bar enabled. When issuing the following simple statements to Mathematica, it responds with a valid answer. However, ...
17
votes
0answers
321 views

Input Aliases in Mathematica 10

Bug introduced in 10.0.0 and persisting through 10.0.2 or later In Mathematica 9, typing in an input alias such as intt would result in the keyboard cursor ...
6
votes
1answer
190 views

Incorrect evaluation of integral involving a DiracDelta, whose argument has infinitely many zeros

Let's say $X>0$ is a random variable with probability density $p_X(x)={\rm e}^{-x}$. Define the random variable $Y=\sin(X)$. From the transformation theorem for probabilities we know that its ...
0
votes
0answers
44 views

Strange behavior of AssociationMap

here is what I've searched over stackexchange I'm on windows 8.1 x64 with Mathema... 10.0.2. sometimes, Definition[AssociationMap ]=Null I found ...
12
votes
1answer
365 views

What is the confidence limit on this convergence?

When I run this, Product[n^MoebiusMu[n],{n,1,Infinity}] I get $\frac{1}{4 \pi^{2}}$ Over on Math Overflow they are saying it shouldn't happen. So, how do ...