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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7
votes
2answers
475 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
104 views

Bug in PiecewiseExpand and Mod with assumptions

Bug introduced in 9.0 or earlier and fixed in 10.4 The following code using PiecewiseExpandand Modgives the wrong answer <...
10
votes
1answer
208 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 ...
14
votes
3answers
284 views

Symbolic sum of Stirling numbers gives wrong answer

Bug introduced in 9.0.1 or earlier and fixed in 10.4.1 This issue originated from my attempt to answer a question on MathOverflow: ...
8
votes
3answers
403 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
108 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. ...
13
votes
0answers
457 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
47 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
172 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
112 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 ...
8
votes
0answers
103 views

Strange kernel segmentation fault in Integrate

Bug introduced in 8.0 or earlier and persisting through 10.4 Define tointegrate = D[V[y1[t], y2[t]], y2[t]] D[V[y1[t], y2[t]], {y1[t], 2}] and try to find its ...
17
votes
0answers
181 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 ...
11
votes
0answers
89 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
382 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
531 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
221 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 Interval[{-2,2}]....
28
votes
1answer
340 views

How to speed up TextJustification in Mathematica 10

Based on this question: - Version 7 print environment - I set up two 10 page test documents in version 7.0.1 and version 10.1. The version 7 document exported to PDF in 4.18 seconds whereas the ...
4
votes
0answers
101 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
131 views

ClipPlanes on Translated 3D objects crash front end

Bug introduced in 10.1 or earlier and persists through 10.4.1 Applying Translate to a simple 3D object (e.g. Pyramid) along ...
17
votes
2answers
329 views
5
votes
4answers
254 views

error with NIntegrate and RegionPlot

Bug introduced in 10.2 or earlier and persisting through 10.2 or later Here's a simplified example of what I'm trying to do: ...
3
votes
0answers
120 views

SliceDensityPlot3D not found

Bug introduced in 10.2 or earlier and fixed in 10.3.0 I am using Mathematica student edition, version 10.2. When I use the command ...
16
votes
1answer
313 views

No help from ?-command

I recently upgraded to Mathematica 10.2, and there seem to be a problem with the help system. When typing ?Integrate I get the following output ...
8
votes
3answers
104 views

Indexed and array-valued interpolations

Bug introduced in 10.1 or earlier and persisting through 10.3.0 or later Using Indexed on an InterpolatingFunction leads to ...
0
votes
0answers
108 views

ViewVector requires click before behaving with Graph3D (Also, viewing 3D subgraph “head on.”)

I want to produce 3D subgraphs that looks "head on" at the remaining vertices, held in their original positions via VertexCoordinates. The default viewpoint is not ...
68
votes
2answers
14k views

Mathematica 10.0.x freezes in Initializing kernels

Bug caused by paclet update and fixed by paclet update. I updated to Windows 10 and have been running Mathematica fine on it for over a month. For some reason, it has just stopped working. I don't ...
7
votes
1answer
151 views

Manipulate: strange behavior of Manipulator

Bug introduced in 10.2 and fixed in 10.3 Consider this simple code: Manipulate[n, {n, 1, 5}] When we evaluate it, we'll get Now try to click on the little ...
5
votes
2answers
99 views

Expanding PolyGamma function error

Bug introduced in 6.0 or earlier and fixed in 10.3.0 For large half-integer arguments of the PolyGamma[] function, ...
9
votes
2answers
235 views

ListLinePlot Filling Wrong

Bug introduced in 8.0 or earlier and persisting through 10.3 or later. I used ListLinePlot to plot data from .csv files. However, the y-values from Graph 1 do ...
5
votes
2answers
162 views

Why am I getting different answers for an integral depending on method?

I'm trying to carry out an integral and I'm finding different answers depending on which method I choose to integrate with. I assume this has something to do with divergent pieces but I don't ...
18
votes
1answer
298 views

Color degrades when using Copy As Bitmap

I have discovered a problem that affects my use of Mathematica. When I use the menu command Edit > Copy As > Bitmap the colors in the copy are subtly degraded. To make this more apparent I copied ...
3
votes
0answers
79 views

How to export to NetCDF format

Consider I have a scalar field on a grid f(x,y), where x and y can take values ...
10
votes
1answer
105 views

FullSimplify on TransformedDistribution

Bug introduced in 8.0.0 and fixed in 10.3.0 Could someone check that I haven't gone mad? I would like to take the maximum of two $[0, 2 \pi]$ independent uniform random variables. ...
1
vote
0answers
111 views

GraphDistance gives incorrect result in weighted multigraph [closed]

Bug introduced in 10.0 and persisting through 10.3 Multigraph support was introduced in 10.0 There are bugs in Graph on Mathematica 10.1. For example, ...
6
votes
0answers
103 views

Issues adding properties to multigraph

Unsupported Functionality (loosely, a bug) Mathematica (as of 10.4.1) does not support multi-graph where edge properties vary between two nodes that share multiple edges. Although this is not ...
8
votes
1answer
182 views

Reading a HDF file im Mathematica

Bug introduced in 8.0 or earlier and persisting though 10.2 On OS X, the problem is present in 9.0 but not in 10.0, 10.1 or 10.2. I am trying to read a HDF file in Mathematica 9 on OS X and get ...
3
votes
1answer
62 views

Reduce return a strange result for solving a equation with radical

Reduce[1/Sqrt[x] == x + 1/(Sqrt[2] + Sqrt[3]), x] the output is unreadable and include the symbol Reduce`CADAlgVar[1].
4
votes
0answers
72 views

Reduce doesn't solve this equations with condition

Reduce[{4==Abs[-1+2 Cos[2A]+2 Cos[2B]+2 Cos[2(A+B)]]},{A,B},Reals] worked well, but ...
11
votes
1answer
453 views

Nintegrate has memory leak

Bug introduced in 6.0 and fixed in 10.2.0 NIntegrates uses memory and does not release it. For long loops with NIntegrate ...
9
votes
1answer
358 views

Front end crash on Export in 10.2 on OS X

Bug introduced in 10.2.0 and fixed in 10.3.0 Appears to be specific to OS X Mathematica 10.2 is reliably crashing for me when trying to export a pdf that has text with ligatures. For example: <...
7
votes
2answers
126 views

Strange Error on Fresh Kernel (10.2)

Bug introduced in 10.1 I wrote a helper function to format real numbers in a certain format for writing .dbf files here. It relies on a new function to 10.1 - ...
6
votes
2answers
212 views

ReplaceAll problem

Bug introduced in 10.1 and persisting through 10.2 or later Confirmed, as bug, by WRI: [CASE:3402234] I am trying to combine terms of the type ...
6
votes
1answer
76 views

Why does NotebookDelete fail on cells with Copyable set to False? Bug?

Bug introduced in 9.0 or earlier and fixed in 10.3 Consider this: ...
6
votes
2answers
185 views

Mathematica 10.2 break downs when `StreamPlot`-ing

Bug introduced in 9.0.0 and persisting through 10.2 or later This code meets error: ...
8
votes
1answer
110 views

Where is the other half of my fourth degree Bézier curve?

Bug introduced in 10.0.0 and fixed in 10.2 When I enter the following command, half of the fourth-degree spline is missing from the graph (i.e. it doesn't touch the last point). Is this a bug in ...
24
votes
2answers
223 views

Listable compiled function crashes the kernel with “no more memory available”

Bug introduced in 9.0.0 and fixed in 10.3 I am trying to speed up a function that involves continued fractions. Since ContinuedFraction cannot be compiled and ...
8
votes
1answer
208 views

SymplecticPartitionedRungeKutta shows strange error

Bug introduced in 9.0 or earlier and persisting through 10.2 or later I tried to solve Hamiltonian system ($Q$ is a vector of all generalized coordinates, $P$ - of generalized momentum) $$ \frac{\...
10
votes
2answers
166 views

Possible bug in VonMisesDistribution?

Bug introduced in 10.2 or earlier and fixed in 10.3 Observe: ...
4
votes
0answers
93 views

Does ContourPlot3D leak assignments inside Manipulate?

Update 5 Aug 2015 -- Karsten 7. found a minimal example of leaking not involving Manipulate, so the role of Manipulate seems ...
6
votes
1answer
107 views

Spurious infinite limit of integration message in NIntegrate

Bug introduced in 7.0 and persisting through 10.2 NIntegrate returns an error complaining that ComplexInfinity is an invalid ...