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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3
votes
1answer
76 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
78 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
732 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. ...
29
votes
2answers
574 views

GroupBy twice gives different results

Bug introduced in 7.0 or earlier and persisting through 10.3.1 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 ...
8
votes
1answer
115 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
90 views

Contour Label Problem

Consider: ...
11
votes
2answers
115 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 ...
8
votes
0answers
142 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
103 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
224 views

Integrate returns imaginary answer for smooth, real function

Bug introduced in 7 or earlier and persisting through 10.3 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 ...
28
votes
1answer
753 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
94 views

Filling option generates extra PlotMarkers in ListLinePlot

Bug introduced in 8 or earlier and persists through 10.3 or later Whenever the blue line drops below the orange one MMA (10.0) inserts two additional plotmarkers: ...
6
votes
1answer
87 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
91 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
75 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
82 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
77 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: ...
16
votes
1answer
222 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 ...
8
votes
1answer
157 views

How to discretize a BezierCurve?

Bug introduced in version 10.0 and persisting through 10.3 DiscretizeGraphics is new in 10.0. I need to create a discretized region from a ...
4
votes
2answers
119 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
97 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
120 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
184 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
54 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 ...
10
votes
3answers
128 views

Unwanted extra spaces at HTML tag boundaries when using ImportString

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

Problem with simplification KroneckerDelta

Bug introduced in 8.0 or earlier and fixed in 9.0 I have: ...
12
votes
0answers
164 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 ...
15
votes
1answer
258 views

What has changed in the Template system in 10.3?

Bug introduced in 10.3 and persists through 10.3.1. There are couple of issues that are breaking my code after upgrading to 10.3. I wasn't able to narrow all of them down but this is what I've ...
14
votes
2answers
431 views

Plot3D is incorrectly returning “1/0. encountered”

Bug introduced in 9.0.1 or earlier and persisting through 10.3.1 The line of code Plot3D[1/y, {x, 0, 1}, {y, x + 1, x + 2}] is returning several "Power::infy: ...
7
votes
1answer
107 views

Numerical solve question

Why does this work? Solve[5 Tan[t] + 9 == 0 && 0 <= t < 2 Pi , t] {{t -> π - ArcTan[9/5]}, {t -> 2 π - ArcTan[9/5]}} But this doesn't. ...
17
votes
1answer
516 views

OpenCL stopped working‏ in Mathematica 10.2

I have noticed that OpenCL stopped working on Intel HD Graphics 4600 (Windows 8.1 x64, Windows 10 x64, latest Intel graphic drivers). Can anyone confirm this problem? I hope to attract the attention ...
7
votes
0answers
110 views

Monitor function doesn't show continious change of values

Bug introduced in 10.0 and persisting through 10.3 Mathematica version: 10.2 Monitor[i = 0; While[i < 100, Pause[0.1]; i++]; i, i] The above code is from ...
7
votes
2answers
366 views

CUDAQ not working in Mathematica 10.2.0.0 on Windows 7 (using CUDA 7.5)

I have been trying to get CUDA to work in Mathematica for kernel development. I downloaded and installed Visual Studio 2013 Community and the latest NVIDIA developers toolkit 7.5 (in that order). ...
7
votes
0answers
75 views

Bug in PiecewiseExpand and Mod with assumptions

Bug introduced in 9.0 or earlier and persisting through 10.3 The following code using PiecewiseExpandand Modgives the wrong ...
10
votes
1answer
202 views

Why does Nearest not support Sqrt?

Bug introduced in 10.0.2 and fixed in 10.3.0 Simple examples with two points nf1=Nearest[{{0, 0}, {Sqrt[2], Sqrt[2]}}] nf1[{0, 0}, {All, 2.1}] gives ...
13
votes
3answers
251 views

Symbolic sum of Stirling numbers gives wrong answer

Bug introduced in 9.0.1 or earlier and persisting through 10.3.0.0 or later This issue originated from my attempt to answer a question on MathOverflow: ...
8
votes
3answers
382 views

Shading a region where an inequality is satisfied

I'm creating solution sets for a calculus course and need to shade the region in $\mathbb R^2$ such that $x^2 < y < x^4$. This is what I have so far: ...
9
votes
1answer
107 views

MapAt with Replace(All) causing kernel crash

Bug introduced in 10.1 and fixed in 10.2 I wanted to roll a function that works like /. but only acts on the very first match it encounters. ...
12
votes
0answers
315 views

Circle with negative radius?

Why does this work: Graphics[{Circle[{0, 0}, -Pi/4]}] But this doesn't? Graphics[{Circle[{0, 0}, N[-Pi/4]]}] Telling me: ...
3
votes
0answers
46 views

Unit of output changes when constant quantity is moved over integral

Why do these two expressions give the same result in different units? In: Integrate[ gravitationalAcceleration Quantity[1, "g/m^3"] fluidArea h, {h, 0, height}] ...
12
votes
1answer
163 views

Why do singularities disappear when performing convolutions with the Dirac Delta function?

I am attempting to perform a convolution involving the Dirac Delta function: $\int_{-\infty}^{\infty} \frac{1}{t+1} \cdot \delta(t+1)\ dt$ I would expect that the result of this integral is ...
1
vote
1answer
92 views

How to Discretize Tube

Is there a way to outline text? In this topic,The BoundaryDiscretizeGraphics can Discretize a Text unexpectedly,It's amazing me,so as a same method I want to ...
7
votes
0answers
86 views

Strange kernel segmentation fault in Integrate

Bug introduced in 8.0 or earlier and persisting through 10.3 Define tointegrate = D[V[y1[t], y2[t]], y2[t]] D[V[y1[t], y2[t]], {y1[t], 2}] and try to find its ...
16
votes
0answers
159 views

Front ends gone wild with named slots

Bug introduced in version 10, persisting through 10.3 Assume the following simple expression {#"Test"}& Now go in front of the ...
10
votes
0answers
70 views

TableDirections example produces an error message

Bug introduced in 10.0 and fixed in 10.3 Can anyone replicate this? In Mathematica 10.2 on Win 64: ...
6
votes
2answers
372 views

Bug in splitting sum

I was trying to evaluate the following sum. $$ \frac{2}{m}\sum_{\substack{\text{odd }k\\1\leq k\leq m-1}} f(\frac{m+2+\sqrt{m^2-4k+4}}{2})+f(\frac{m+2-\sqrt{m^2-4k+4}}{2}). $$ And I wrote the ...
14
votes
3answers
507 views

Cannot get nearest neighbors from Nearest

Bug introduced in 10 and fixed in 10.3 There still persists the failure to return 30.72 (another bug according to Daniel Lichtblau but from the developer's point of view it may be a feature). ...
14
votes
1answer
213 views

Is it a bug in Limit?

Bug introduced in 9.0 and fixed in 10.0.0 Mathematica 9 on Windows and WolframAlpha says Limit[Sin[Sqrt[x+1]]-Sin[Sqrt[x]],x->Infinity] is ...
4
votes
0answers
89 views

errors in CUDA example

It seems that there are some errors in the documentation page Consider these functions in the documentation CUDA Programming. However, I'm not a expert in CUDA nor C, could you check whether these are ...
7
votes
0answers
95 views

10.2 ClipPlanes on Translated 3D objects crash front end

Bug introduced in 10.1 or earlier and persisting through 10.3 It seems the Translation of a simple 3D object (e.g. Pyramid) using the ClipPlane crashes with "Mathematica has stopped working". It ...