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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14
votes
2answers
210 views

Possible bug in ListLinePlot

Bug introduced in V8 or earlier and fixed in 10.4 Take a look at the first two points on the chart: ListLinePlot[{15, 30, 32, 33, 34, 35}, Mesh -> All] I ...
11
votes
0answers
177 views

Slow JoinAcross performance

Bug introduced in 10.3 I am using JoinAcross to combine two datasets, where the key is an Integer. ...
7
votes
1answer
155 views

MovingAverage - not enough memory exception

I'm running into an extremely bizarre issue that evades reproduction by means other, than repeating my actions verbatim. Please note, this question is NOT about digitizing a plot. It just describes ...
14
votes
2answers
324 views

Finite Element Method and ElementMeshInterpolation issue in v10.3

Bug introduced in 10.3 I recently installed Mathematica v10.3 and checked a project I was working on few months ago under Mathematica v10.1. In this project I solve a PDE with ...
8
votes
1answer
113 views

Serial - DeviceOpen - Baudrate Error

When trying: ser = DeviceOpen["Serial", {"COM1", "BaudRate" -> 230400}] I get: ...
5
votes
0answers
48 views

CheckboxBar doesn't work with TrackedSymbols

CheckboxBar doesn't work with TrackedSymbols and a custom callback function. Here's an example that doesn't work ...
40
votes
2answers
755 views

Why does Mathematica report that $\int_1^\infty\frac{\sin(\sqrt{x})}{\sqrt{x}}dx$ = $2\cos(1)$?

Bug introduced in 7.0 or earlier and persisting through 10.4 or later Mathematica 10 gives the following very odd result, ...
1
vote
0answers
37 views

DerivativeFilter[] is scaling down the data by ~100 or so, not a true differentiation? [duplicate]

I'm running the following function vzz = DerivativeFilter[z["Path"][[All, 2]], {1}]; But if I then integrate vzz the output z is about 100 smaller than the ...
5
votes
3answers
228 views

sum involving binomial coefficient

To evaluate $ \sum_{\substack{\text{even }k\\ 2\leq k\leq m-2}} \binom{m-2}{k-1}(k-1) $, where $m$ is an even integer. Running the following in Mathematica 10.3.0 (October 9, 2015) ...
0
votes
1answer
121 views

how to generate a 3d graph of HCP crystal structure [duplicate]

I am confused with lattice parameter and the basis. The structure I generated is not HCP. To verify this, one could use this plotting function from the answer to Can a LatticeData image be displayed ...
7
votes
1answer
80 views

RandomPoint fails with a large enough number of points

Bug introduced in 10.2.0 and fixed in 10.3.1. RandomPoint is new in 10.2.0. I have defined a simple ellipsoidal parametric region: ...
4
votes
0answers
211 views

Strange behaviour of NotElement in Reduce

Bug introduced in 8.0 or earlier and persisting through 10.4 or later Confirmed, as bug, by WRI: [CASE:3527549] I have observed curious behaviour on domains supplied to ...
10
votes
1answer
91 views

Arrows from GraphicsComplex not converted to Normal form correctly

Bug introduced in 7.0 or earlier and persisting through 10.4.0 Show @ Graph[{1 -> 2, 2 -> 3}, Frame -> True] Normal @ % Is this a pure bug, or have ...
5
votes
3answers
141 views

incorrect exact sum of a series

Sum[(-1)^m*(1/Binomial[2*m + 2, 2] + 1/Binomial[2*m + 3, 2]), {m, 0, Infinity}] gives the right value -2 + π but the same ...
14
votes
1answer
227 views

Grid cuts my images

Bug introduced in V9.0 or earlier and persisting through V10.4.0 pic2 = ImageResize[ ImageCrop@Rasterize@Graphics@Disk[], {Automatic, 40}] ...
5
votes
0answers
54 views

What's meaning of `VertexConnectivity`?

Are there a conflict in this two place in documentation? In the Basic Examples: Then the Properties & Relations But actually:
2
votes
2answers
133 views

A simple question: Input problem

I have a simple problem. First I define the value of variables, then I calculate the expression as the following: Code 1: ...
0
votes
0answers
48 views

Avoiding the “CloudObject`Private” context bug in controls of embedded Manipulates

I have Manipulates that I develop in one notebook and then paste in another. This second notebook is meant for a presentation, and shouldn't have these odd ...
6
votes
1answer
100 views

DateListPlot failing on Inflation Adjusted TimeSeries

Ran across this (possible bug) today. Here's historical West Texas Intermediate oil prices: ...
8
votes
1answer
123 views

FilledCurve inside GraphicsComplex doesn't interpret the integers as points

Bug introduced in V9.0 or earlier and persisting through V10.4.0. Here's an example: ...
10
votes
1answer
143 views

Issues with PlotRange!

When use the following command to plot a graph: Plot[x^Gamma[x - 1], {x, 0, 1}] or: ...
8
votes
1answer
182 views

Bug? Problem with derivative of interpolating function from FEM

Bug introduced in 10 or earlier and fixed in version 10.4 I am really not sure if this is a bug or I am missing something very trivial. QUESTION: What I am missing in order to obtain the partial ...
5
votes
0answers
74 views

why does ReadString[“fname”,term] open a persistent stream, and how to close it?

Bug introduced in 10.0 and fixed in 10.3.0 Create a file temp.txt with the following content: test1 ;;; test2 ;;; test3 ;;; ...
6
votes
2answers
133 views

How to get the x-coordinate of a region by it's y-value

I get region like this: region = ConvexHullMesh[data = RandomReal[{0, 100}, {100, 2}]] // RegionBoundary Then I get a equally spaced y-value from minimum to ...
8
votes
1answer
203 views

Export bug in combination with ParallelTable?

I am programming with Mathematica 10.3.1.0 on Windows 10 Professional 64 Bit and have an i7-4940-MX 3,1 GHz processor (4 cores). When I use in the example code below ...
9
votes
1answer
161 views

NDSolve`FiniteDifferenceDerivative gives wrong result when the precision is not MachinePrecision

Bug introduced in 8 or earlier and persists through 10.3.1 I want to get a pseudospectral differentiation matrix by NDSolve`FiniteDifferenceDerivative. ...
1
vote
0answers
79 views

FrameTicks not appearing with Export to .png file [duplicate]

I'm using 10.1 on Ubuntu 14.04. I am trying to export some plots. However, when I export the plots using Export[file.png, figure, ImageResolution->360], the <...
8
votes
0answers
111 views

Deleting zero edges from a graph causes bizarre behavior

Bug introduced in 10.3.0 and fixed in 10.4. Consider the following (very simple) graph, with two vertices and one edge: g = Graph[{1, 2}, {1 <-> 2}]; I ...
0
votes
0answers
101 views

MathID changes after reboot on Linux

I recently installed Mathematica 10.3 on Arch Linux. I activated my license, and all seemed to be well, but when I reboot my computer, the MathID changes, and it shows that the software is not ...
6
votes
2answers
107 views

Inset in ArrayPlot

It seems the options in the Inset object will be ignored when passing to ArrayPlot: ...
7
votes
2answers
163 views

Possible bug with UpTo

Bug introduced in 10.3 and fixed in 10.4 -- Just checking whether anyone else can replicate this, or if it's a problem on my computer. The following refuses to execute on my machine, 10.3.1: ...
12
votes
2answers
195 views

Optional throws error when called from a package. Workaround?

Bug introduced in 8.0 or earlier and persisting through 10.3 or later. Case number: 305932. In the front-end notebook (Mathematica 9.0 and 10.2): ...
2
votes
1answer
198 views

Strange WhenEvent Behavior

Bug introduced in 10.3 or earlier and persisting through 10.3.1 or later Given: ...
4
votes
1answer
130 views

Saved InterpolatingFunction behaving badly

Bug introduced in 10 and persists through 10.3.1 or later I created this InterpolatingFunction, and NIntegrate gives an ...
5
votes
0answers
92 views

unhandled win32 exception in WolframKernel.exe in DSolve of non-linear ODE in one variable

Bug persisting through 10.4. (windows 7, 64 bit) Installed 10.3.1 and started to run some old ode's. in V 9, this ode used to return unsolved, which is ok, but in 10.3.1 now the kernel crashes. ...
10
votes
3answers
395 views

Bug: Wrong results from NSolve on coupled polynomials. WorkingPrecision->Automatic fails

OP UPDATE: I received an email from WR on 1-18-2016: "...It does appear that the NSolve function is not behaving properly in this case and I have forwarded an incident report to our developers with ...
33
votes
2answers
611 views

$\sum_{k=1}^{\infty }\left\lfloor\frac{5}{5^k}\right\rfloor$ giving wrong answer?

Bug introduced in 7.0 or earlier and persisting through 10.4 or later When I try to evaluate the following: $$\sum_{k=1}^{\infty }\Bigg\lfloor\frac{5}{5^k}\Bigg\rfloor$$ using ...
4
votes
0answers
55 views

Usage information garbled when printed to pdf or printer

In Mathematica v10.2 running in the notebook Information ?Integrate yields the following But, when printed to printer or ...
4
votes
1answer
106 views

How to avoid crashing with ConformImages?

ConformImages[] is causing a kernel crash when applied to a list of 5k images. Is there any way to apply ConformImages on the list in batches or asynchronously to ...
6
votes
0answers
130 views

How can I get Mathematica to support the clipboard?

For several decades, the clipboard feature supported by all mainstream operating systems has functioned as a method of exchange between applications (not just within them), by serving as a kind of ...
8
votes
1answer
278 views

Strange bug: Product[1/(1-1/2^(n-1)),{n,2,Infinity}] = 0?

This infinite product is correct: Product[1/(1 - 1/2^n), {n, 1, Infinity}] (* 1/QPochhammer[1/2, 1/2] *) Numerical value of this result is not equal to zero <...
16
votes
0answers
174 views

Bug in RegionMember?

Bug persisting through 10.4.1 RegionMember (new in V10) appears to have a bug. For some polygons it finds points that are clearly outside to be "members" of the ...
4
votes
2answers
199 views

Why does my Animate crash?

I am having trouble with Animate. For no reason I can discern, my animation stop running, again and again, just about 1.5 seconds after the evaluation get started. Even with slight changes to the code,...
0
votes
1answer
186 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
179 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
257 views

What is causing these artifacts in RegionPlot3D?

I have a simple program like this: ...
1
vote
0answers
77 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 ...
6
votes
0answers
82 views

Getting around Series[Sinc] bug

For some reason, Series expansion of Sinc around x=0 for low orders fails to generate a <...