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.

learn more… | top users | synonyms (1)

0
votes
1answer
156 views

Why doesn't Mathematica show up in OS X Spotlight? [closed]

When I enter a string that matches part of the name of an application on Mac, the OS X Spotlight search feature will suggest apps for me to launch. This works for every app except Mathematica: ...
3
votes
2answers
106 views

Correct behavior of Integrate involving logarithmic cut, or possible bug?

I just discovered that Integrate with simple poles in its integrand sometimes gives different results depending on number type of its limit (Exact vs Inexact). ...
14
votes
1answer
177 views

What's going on here? Some kind of rationalization “under the covers”?

Observe: eq = (.25 a + .5 b + .25 c); CoefficientRules[eq^2] CoefficientRules[eq^2 // Expand] results in {{2, 0, 0} -> 1/16, {1, 1, 0} -> 1/4, {1, 0, 1} ...
5
votes
3answers
245 views

What is causing these artifacts in RegionPlot3D?

I have a simple program like this: ...
1
vote
0answers
64 views

How do I print a notebook without truncation?

How do I print my document without truncation of my code and figures? I've tried scaling the document down, but just scales down the size of the text, without expanding into the empty space thus ...
5
votes
0answers
79 views

Getting around Series[Sinc] bug

For some reason, Series expansion of Sinc around x=0 for low orders fails to generate a ...
13
votes
2answers
300 views

Named patterns in Except

Bug introduced in 8 or earlier and fixed in 10.4.0 Bug isn't present in version 5.2 I don't think I quite understand how Except works. I want to define $f(a,b) ...
5
votes
2answers
206 views

RegionPlot of ImplicitRegion is incorrect

Bug fixed in 10.4. Why does RegionPlot of the ImplicitRegion give an incorrect plot? Also, will how does this affect ...
9
votes
1answer
136 views

Non-rectilinear integration of InterpolatingFunction

Bug introduced in 7 or earlier and persisting through 10.3.1 [CASE:3487737] I have a 2-d array that I would like to resample into a different coordinate system and integrate along one of the new ...
4
votes
1answer
86 views

TrackingFunction not working properly if range containes a mathematical constant

Bug introduced in 10.0 and persisting through 10.3.1 or later Answering this question I had to realize that TrackingFunction isn't working properly if at least ...
4
votes
2answers
156 views

Initializing FinancialData indices … never finishes

Bug introduced in 10.3.0 and fixed in 10.3.1 Retrieving data using FinancialData became more unreliable in the last couple of months, but simply retrying was ...
10
votes
1answer
138 views

Why some GeoProjections show just half of Chukotka region (Russian map)

I've moved to V.10.4 and proceed with Russian map (the aim is to geoplot regional distributions of some values). Notice most eastern Russian region - Chukotka. Chukotka, unlike other entities, ...
5
votes
3answers
119 views

Integrate is giving finite result for divergent integral

Integrate[Exp[c x]/x, {x, -a, a}] returns ...
7
votes
1answer
122 views

Anti-aliasing not working in Mathematica 10.3 and XUbuntu

Bug introduced in 10.0.2 on XUbuntu persisting through 10.3 or later I'm running a fresh install of XUbuntu 14.04.3 LTS with an NVidia GeForce GTX 970. I have installed NVidia driver 352.63 and ...
5
votes
0answers
74 views

Error with DSolve

I am trying to solve the following partial differential equation for the function $f(x,y,z)$ $\frac{(\alpha -\beta y)}{1-y^2}\left(\frac{\partial f}{\partial x} + \frac{(\alpha y-\beta ) ...
5
votes
0answers
92 views

Manipulator reset bug

Bug introduced in 10.3 or earlier and persisting through 10.3.1 or later When the + opener is opened, two things happen: ...
3
votes
3answers
131 views

Making a Button smaller in width

I can't seem to figure out how to make the width of a Button smaller. I tried change the first 26 below to a number like 10. But it doesn't seem to effect the ...
6
votes
1answer
137 views

Bug in Export - known by Wolfram Support - upper plot margin depends on string length of upper horizontal axis label

Bug introduced in 9.0 and persisting through 10.3 or later ! See at bottom the answer by Wolfram Research. I am running Mathematica 10.3. For test purposes I have used the following code: ...
2
votes
1answer
92 views

DateListPlot inside DynamicModule updates continuously

Can any one try this code and see if it is updating continuously without changing the controllers: ...
18
votes
1answer
259 views

What is the difference between Dynamic[x] and Dynamic[ h[x] ] for DynamicModule variables?

Bug introduced in 9.0 or earlier and persisting through 10.4.1 Why plain Dynamic[x] is less sensitive and less likely to automatically be updated than e.g. ...
3
votes
1answer
96 views

Kernel crash when evaluating NDSolveValue

I had a code that was working fine and I tried to add an extra few lines to find the solution of the same equation with different conditions. The original NDSolveValue solutions work fine but when it ...
6
votes
1answer
83 views

Issue with TensorWedge and TensorReduce?

Bug introduced in 10.0.0 and fixed in 10.3.1 If I use TensorReduce on the result of TensorWedge: ...
10
votes
3answers
741 views

Automatically adjust Russia on the map (Mathematica 10.0)

Bug introduced in 10.0.0 and fixed in 10.1 I'm using Mathematica 10.0 on Windows 10. If I take a map of any country (even continent), it automatically adjusts the size of the map. ...
30
votes
2answers
601 views

GroupBy twice gives different results

Bug introduced in 7.0 or earlier and persisting through 10.4 or later It took me quite a lot of time to finally trace down to this strange output. I really don't know why. First, I create a list ...
6
votes
0answers
66 views

Can't get Mathematica to Import PDF files with diacritics on the file name

Tested with versions 9.0.0, 10.0.2 and 10.3.0, all under OS X 10.10.5. and Linux The ...
8
votes
1answer
119 views

What's wrong with MovingMap + Apply[Rule] etc.?

I don't why this happens, I don't know if those two examples are related. I don't have time to investigate, but maybe someone can solve this? ...
7
votes
1answer
96 views

Contour Label Problem

Consider: ...
11
votes
2answers
122 views

EdgeAdd function not adding edges to a RandomGraph[ ]

Bug introduced in 9.0 or earlier and persisting through 10.3.1 I have a graph: g = RandomGraph[{1, 0}] So basically, it is just one vertex. I want to add some ...
9
votes
1answer
185 views

Odd Coloring with GeoRegionValuePlot

Bug introduced in 10.0 and persisting through 10.3 or later Bug behavior is version dependent When I'm plotting data with GeoRegionValuePlot, I'm getting some ...
4
votes
1answer
104 views

Mathematica shuts down when calculating this limit

Bug introduced in 9.0.0 and fixed in 9.0.1 I'm trying to compute this limit: Limit[E^-(r^2)^(2*n)*r*2*Pi, n -> Infinity] But, when I run the code above, ...
15
votes
1answer
264 views

Integrate returns imaginary answer for smooth, real function

Bug introduced in 7 or earlier and persisting through 10.4 I'm trying to evaluate the integral: $$\int_0^{\infty} \frac{1}{4 b \sqrt{\pi} r} e^{-(b-r)^2}(e^{4 b r} - 1) \mathrm{d}r$$ with ...
31
votes
1answer
836 views

Terrifying performance decrease for contour/density plots in v10.1 -> 10.3

Bug introduced in 10.3 and fixed in 10.3.1 I setup for download a test dataset at http://www.inrim.it/~magni/cm.dat.gz (a set of 64800 triplets x,y,z). The behavior can be reproduced with the ...
9
votes
1answer
111 views

Filling option generates extra PlotMarkers in ListLinePlot

Bug introduced in 8 or earlier and persists through 10.4 or later Whenever the blue line drops below the orange one MMA (10.0) inserts two additional plotmarkers: ...
6
votes
1answer
93 views

Expensive MeshRefinementFunction

I want to discretize a region using DiscretizeRegion. Now, I want the mesh to be more refined, when the curvature of a certain function ...
4
votes
1answer
107 views

ListVectorPlot crashes kernel after two evaluations

I am currently trying to produce many plots by using ListVectorPlot, but every time I re-evaluate my code, the kernel crashes. I have set $HistoryLength=0 and ...
4
votes
1answer
78 views

issue with `Nearest` with mixed type input

Bug introduced in 10.0.2 and fixed in 10.2 See if anyone else can reproduce this error: ...
9
votes
0answers
90 views

Set new edge capacity

Bug introduced in 9.0 or earlier and persisting through 10.3.1 I am trying to add a new edge to an existing graph and set its capacity, but for some reason the ...
11
votes
0answers
79 views

FullSimplify does freaky things with approximate Gaussians [duplicate]

I was playing around with Vitaliy Kaurov's neat answer to this question, and found something a bit unusual: ...
17
votes
1answer
233 views

Aggregation queries on lists of associations in 10.3

Bug introduced in 10.3.0 Some aggregation queries applied to a list of associations (or Dataset's with this structure) lock up the front end or crash the kernel ...
9
votes
1answer
203 views

How to discretize a BezierCurve?

Bug introduced in version 10.0 and persisting through 10.4 DiscretizeGraphics is new in 10.0. I need to create a discretized region from a ...
4
votes
2answers
124 views

Unexpected behavior of ImplicitRegion -> RegionPlot

I have two semicircles that are identical except that the second is shifted one unit to the right. ...
9
votes
0answers
102 views

ListDensityPlot3D does not antialias axes

I sent a bug-report to Wolfram and the case number is [CASE:3454878] I'm on Linux with Mathematica 10.3 and I have my 3D graphics output set to the highest "Antialiasing Quality". It works fine for ...
6
votes
1answer
127 views

How can I get Wolfram Development Platform editor to show the text selection in Chrome?

How can I get Wolfram Development Platform editor to show the text selection in Chrome? Here (latest Chrome, Windows 7), it is invisible. E.g. Here x ^ 2 is selected confirmed by Delete press .
8
votes
1answer
196 views

CloudDeploy - Import[x] issue

My question is about why Import executed in Wolfram Cloud with a fixed value (see A) works and with a variable (see B) doesn't when you use the form and submit the value 5565471199 (same as the fixed ...
2
votes
1answer
61 views

Changing edge weights in a graph using PropertyValue

I encountered a problem trying to change the EdgeWeights in a graph. I am runnning Mathematica 10.1 under Windows 7 Enterprise. I have an undirected graph with 144 nodes and 576 edges. I first ...
13
votes
2answers
253 views

ListContourPlot has wrong colouring: workaround?

Bug introduced in 9.0 or earlier and persisting through 10.4 ListContourPlot uses the wrong colouring here: ...
5
votes
1answer
121 views

How to remove edges of HalfPlane

Bug introduced in 10.0 and fixed in 10.4.0 EdgeForm[] does not work. ...
10
votes
3answers
129 views

Unwanted extra spaces at HTML tag boundaries when using ImportString

What causes the following unexpected behavior? ...
9
votes
1answer
82 views

Problem with simplification KroneckerDelta

Bug introduced in 8.0 or earlier and fixed in 9.0 I have: ...
12
votes
0answers
192 views

Is there any way to export vector graphics with shading?

This has irked me for a while as I really feel its a significant shortfall in Mathematica's abilities but maybe I am missing something. I would like to export simple graphics with shading in a ...