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.
9
votes
2answers
211 views
How can I prevent ColorFunction from disabling antialiasing in graphics?
When I use ColorFunction, the appearance of my plots is ruined, changing from this
which has the normal smooth lines and antialiased fonts, to this
in which ...
9
votes
1answer
159 views
Precise cropping with ImageCrop
The built-in ImageCrop function "effectively removes borders from image whose pixel value distribution is almost uniform" (emphasis mine). I need an efficient ...
9
votes
1answer
169 views
Error Using Sow in DensityHistogram with ColorFunction
To find the color values used in a plot, I was using Sow as shown here:
...
9
votes
1answer
234 views
Poor anti-aliasing in Rotated text with ClearType on
There is a problem on my system that occurs when text is rotated 90 degrees as it is in frame labels. This only happens when ClearType is turned on, and only around 90 degrees of rotation.
I am ...
9
votes
2answers
135 views
SaveDefinitions->True changes the displayed image
I have a Manipulate[ ] that displays an image with a superimposed Locator object. It works fine when I have ...
9
votes
1answer
100 views
DateList not using current year when a year is not specified
According to the documentation when using DateList but not giving it a year it should use the current year. It is not doing that for me. Instead it uses 1900. ...
8
votes
3answers
389 views
Filling between two 3D surfaces
I know it is possible to create a filling in between two curves on a 2D plot, but is it possible to do the same in 3D?
My attempt like this:
...
8
votes
2answers
147 views
Strange behavior of PlotMarkers with ListLinePlot[] and InterpolationOrder->0
I want to create a ListLinePlot with InterpolationOrder->0. However, when using plot markers like in
...
8
votes
1answer
103 views
8
votes
2answers
134 views
Problem with NIntegrate when WorkingPrecision is specified
I am trying to evaluate this integral numerically:
$$
\int_0^{\infty } m \exp (-m) J_1(m){}^2 \, dm
$$
Everything is OK when only the integration method is specified:
...
8
votes
2answers
179 views
8
votes
1answer
375 views
GeoDirection and GeoDistance Memory Leaks: How to Recover the Memory?
The functions GeoDirection and GeoDistance have memory leaks. To see this, run the example functions below and watch as the Physical Memory Available in the Windows Task Manager, Performance tab, ...
8
votes
2answers
660 views
8
votes
1answer
160 views
Cannot plot Quantity values with DateListPlot
Is there a way to use DateListPlot with Quantity values? I retrieved the following time series data from WolframAlpha:
...
8
votes
0answers
125 views
Why does Mathematica give an incorrect answer to this multiple integral?
This is not a new problem but I would like to understand why Mathematica gives the result that it does. (Volume of a hypersphere)
...
8
votes
0answers
101 views
Help bogged down at first query
When I open help at the first time in a mathematica session and I submit a query it always get bogged down for many seconds until a message appears as in the picture. Then I select continue waiting, I ...
8
votes
0answers
114 views
HorizontalGauge causes problem with ScalingFunctions -> “Log”
I am trying to use HorizontalGauge[Dynamic[expt], {0.1, 100}, ScalingFunctions -> "Log"], i.e. a gauge with a logarithmic scale. This creates an error, a graph ...
7
votes
5answers
236 views
TableAlignments->Left not working
For a very simple dataset TableAlignments->Left does not work:
...
7
votes
4answers
236 views
Unexpected behavior from GatherBy in version 7
I have come across what appears to be a bug in GatherBy. It appears similar to the problem of using Table[Random[], {1000}] in ...
7
votes
3answers
190 views
Plotting a 3D list causes kernel to crash if x and y axes have vastly different scales
I have access to two versions of Mathematica, version 7.0.1 on Linux and version 8 on Windows. When I try the following two lines on version 7, the kernel quits when it tries to plot. In version 8 ...
7
votes
3answers
248 views
Radon function result's repeatability
I want to get a Hough transform of some edged image.
When I compare the same transformation on the same image I got different results.
...
7
votes
1answer
72 views
ToNumberField won't recognize Root[…] as explicit algebraic number
In Mathematica 9.0.1, it appears that ToNumberField will not always recognize a Root object as an explicit algebraic number.
...
7
votes
1answer
69 views
Crash with subsetting TemporalData
The first line gets a single sample path for an M/M/1 queue for time between 0 and 100. No problem, I can plot it, etc.
...
7
votes
1answer
118 views
Formatting Framed - some FrameStyle graphic directives don't work?
The FrameStyle option in Framed seems to work for some graphics directives but not others, eg:
Framed["yo", FrameStyle -> Blue]
But
...
7
votes
1answer
236 views
Random variables with transformed discrete distributions cannot be applied to Probability[] function?
I have two discrete uniform distributions over same support:
Dx = DiscreteUniformDistribution[{-8, 8}];
Dy = DiscreteUniformDistribution[{-8, 8}];
I use ...
7
votes
1answer
286 views
FourierSeries for rational function looks wrong
I have the following code:
ser[x_] = FourierSeries[(\[Pi]^2 + a)/(3 x^2 + a), x, 10] // N // Chop
It gives me some series, which I then try to plot. And ...
7
votes
1answer
171 views
How can I display a multigraph with different colored edges?
I'm new to Mathematica(version 9) and I'm trying to display a multigraph with different colored edges. Here's my code so far:
...
7
votes
0answers
84 views
Compile not correctly initializing a variable defined inside Module
In the following example, inside the minimumX's Module, x is initialized to 1, but the ...
7
votes
0answers
110 views
PlotMarkers doesn't inherit PlotStyle when Graphics[a] isn't a List[]
Could somebody explain, why Circle does not inherit the PlotStyle of the plot when used as ...
6
votes
2answers
170 views
Why doesn't my script work when I redirect stdout?
I'm using Mathematica Home Edition 9.0.1 on Mac OS X 10.8.2.
I have this script:
...
6
votes
1answer
297 views
Dialog crashes Mathematica
I have some dialog windows in a GUI of which one regularly crashes the kernel. I managed to focus on this particular piece of code, though I don't really know what causes the crash:
...
6
votes
1answer
63 views
6
votes
1answer
70 views
Erfc Not Returning Results Specified in Documentation
In the documentation for Erfc (under "Possible Issues"), the following command returns a number that is extremely close to 2:
However, when I run this same command in a fresh kernel, I get:
...
6
votes
1answer
147 views
DistributeDefinitions not working for compiled functions
This is fixed in Mathematica 9.0.0.
I'm having trouble with parallel evaluation of compiled functions. Here is a simple example illustrating the problem:
...
6
votes
1answer
498 views
What bugs have you found in mathematica 9? [closed]
Since there is no public facing bug tracker for mathematica 9, let's try keeping a list here. One potential bug per answer. Others can confirm (or otherwise) in comments to each answer.
6
votes
0answers
70 views
Mathematica 7: “LessEqual::nord:” error when using NMinimize on a real function
I encounter a problem (Mathematica 7) similar to Strategies to avoid LessEqual::nord in NMinimize? but the advised strategies don't work for me. Also, I get different results with different ...
6
votes
0answers
111 views
Break[] inside ColorFunction
f[x_?NumericQ]:= (Do[Break[],{i,1,2}];x)
Plot[x,{x,0,1},ColorFunction->(ColorData["Rainbow"][f[#]]&)]
Break::nofwd: No enclosing For, While, or Do found ...
5
votes
2answers
135 views
5
votes
1answer
125 views
Bug in LengthWhile?
Is this a bug or my MMA went insane or I'm missing something?
LengthWhile[Reverse@IntegerDigits[1000], # == 0 &]
works fine, but with SameQ instead of Equal, ...
5
votes
1answer
174 views
LogPlot axes labels destroyed when working in high precision
(I'm using Mathematica 8.)
I have a Taylor series:
poly = Normal[Series[E^x, {x, 0, 10}]]
I want to produce a log-linear plot of the error. This is easy enough ...
5
votes
1answer
182 views
Log-scale histogram bug
Not really a question, more a solution to what I call a bug in mathematica v8(.0.0.4). I already sent a bug report to Wolfram.
Problem
The documentation for the Histogram-function explains the ...
5
votes
2answers
196 views
Create self-contained plots when Ticks or FrameTicks require external functions
Let's say I define tick marks for a plot in a separate function outside of the plot:
...
5
votes
1answer
61 views
Importing images from the web using ImportString & URLFetch
I can bring images from the web using the Import command like this:
Import["http://blog.wolfram.com/wp-content/uploads/2008/06/se-30.jpg"]
Sometimes the web ...
5
votes
4answers
139 views
5
votes
1answer
107 views
Error invoking Information on functions containing Legended
In adapting some plotting functions to utilize the PlotLegends option of version 9, I came across the following errors:
...
5
votes
2answers
124 views
Is there something wrong with VertexConnectivity
As I noticed in the documentation VertexConnectivity is defined as the following
The vertex connectivity of a graph $g$ is the smallest number of vertices whose ...
5
votes
1answer
167 views
The shortcut for Subsuperscript doesn't work?
The document for Subsuperscript says that:
To enter a subsuperscript in a notebook, use either Ctrl+_ to begin a
regular subscript or Ctrl+^ to begin a regular superscript. After
typing the ...
5
votes
1answer
143 views
Font size in PDF export with legended plots not working
I need to export plots as PDF with a given image and font size. Everything is working fine if there is no legend for that plot. However, if I want to export legended plots, the font size is decreased ...
5
votes
2answers
287 views
Exporting a .xlsx file with about 500 columns
When I want to Export["text.xlsx", data] where data is a matrix with 500 columns and 10000 rows, I get the error message:
...
5
votes
0answers
77 views
Compiled function crashes kernel when trying to list over different length arguments
I'm trying to speed up a tally/binning operation that I have to run many times.
I have many lists of between 1 and 10 numbers from the range [1,5] and I want to ...
