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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5
votes
1answer
69 views

Problems with Displaying Output for Summation

Consider the following code. ...
12
votes
1answer
278 views

Cannot start multiple instances of Mathematica after upgrading to 10.4

Bug introduced in 10.4 and fixed in 10.4.1 I used to have no trouble opening multiple instances of the Mathematica notebook/kernel on Windows by right-clicking on the Mathematica icon in the task bar ...
9
votes
1answer
131 views

SumConvergence[((-1)^n)/(Sqrt[n] + (-1)^n), n] returns True in Version 10.2?

Bug persisting through 10.4.1 I claim that the series $\sum_{n=2}^{\infty}\frac{(-1)^n}{\sqrt{n}+(-1)^n}$ diverges. To see this, rewrite the $n^{th}$ term as follows: \begin{equation*} ...
12
votes
1answer
212 views

Has compilation of big programs become excessively sluggish in v 10.4?

Bug introduced in 10.4 and persisting through 10.4.1 After updating to 10.4, many of my heavily numerical functions defined by Compile takes a huge amount of time ...
4
votes
1answer
68 views

Error retrieving information of a package function [duplicate]

Bug introduced in 10.4 I´m using a self written package with SortingUtilities when dealing with sorting algorithms. I use this package for more than a year or so. No I want to retrieve information ...
4
votes
1answer
72 views

Odd behaviors of FindKPlex

Bug introduced in 9.0 and persisting through 10.4 FindKPlex is new in 9.0. I have a example about it. ...
21
votes
1answer
193 views

Wrong labelling of contours with ListContourPlot

Bug introduced in 8 or earlier and persisting through 10.4.1 Consider this example: ...
4
votes
1answer
151 views

Why does merely writing SeriesData[] with zeros give an error, even if it is never called?

Bug introduced in 8.0 or earlier and persisting through 10.4.1 Why does the code Function[t, SeriesData[t, 0, {0}, 0, 1, 1]] give me the following error? ...
0
votes
2answers
39 views

ImageResolution affects the ticks on a plot [duplicate]

Let's consider the following example S0 = Plot[Sin[x], {x, -10, 10}, Frame -> True, ImageSize -> 550] First we export the plot in a JPEG format ...
12
votes
1answer
136 views

A weird issue with Interval[$MaxNumber]

From the Interval documentation: For approximate machine- or arbitrary-precision numbers x, Interval[x] yields an interval reflecting the uncertainty in x. ...
5
votes
1answer
78 views

TeXForm of Abs[a^n] is not valid TeX, known error? [duplicate]

In[116]:= Abs[a^n] // TeXForm Out[116]//TeXForm= \left\left| a^n\right\right| But the result isn't valid TeX. ...
14
votes
1answer
296 views

Segmentation fault on auto-complete

My front-end freezes as soon as I type more than two letters in a notebook. I think the error occurs, when the auto-complete feature kicks in. If Mathematica was started from a terminal, the following ...
1
vote
1answer
101 views

PerfectNumber messes with my iterator

I am using Mathematica 10.4 (sorry bbgodfrey) (temporary message) Let mmVerbose = 10^2000 + 123123798797192983712873198273122323; kkVerbose = 10^7; The ...
1
vote
0answers
25 views

Why does TemplateApply create two identical notebook objects?

If you start a fresh Mathematica session (front end and all), and run the following ...
4
votes
0answers
67 views

strange FullSimplify result, why zero? [duplicate]

This came up looking at this How to speed up calculation of this equation (FindRoot). Is there some sense to why FullSimplify gives zero here? ...
9
votes
0answers
95 views

LinearProgramming returns an invalid null solution that apparently doesn't satisfy constraints without any warning

Bug introduced in 10.3.1 or earlier and persisting through 10.4.1 While searching to answer the question Solving the magic backyard puzzle with MMA at some time I composed a set of arguments ...
6
votes
0answers
98 views

How to unlock a stylesheet which is not needed anymore by the FrontEnd

Reply from WRI Support: [...] This indeed seems to be an issue with the Frontend on Windows and I have alerted the development team about this. Unfortunately I do not have a work around at ...
5
votes
2answers
122 views

Problem summing an infinite series

Calculating this sum on Mathematica 10.3 Sum[(-1)^(r - 1)/((a^2 + r^2)r), {r, 1, Infinity}] gives the answer ...
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
172 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
145 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
314 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
108 views

Serial - DeviceOpen - Baudrate Error

When trying: ser = DeviceOpen["Serial", {"COM1", "BaudRate" -> 230400}] I get: ...
5
votes
0answers
46 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
745 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
226 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
107 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
79 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
89 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
139 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
223 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
49 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
130 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
46 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
98 views

DateListPlot failing on Inflation Adjusted TimeSeries

Ran across this (possible bug) today. Here's historical West Texas Intermediate oil prices: ...
8
votes
1answer
122 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: ...
9
votes
1answer
100 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
68 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
131 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
192 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 ...
8
votes
1answer
146 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}]; ...
0
votes
0answers
95 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
104 views

Inset in ArrayPlot

It seems the options in the Inset object will be ignored when passing to ArrayPlot: ...
7
votes
2answers
162 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: ...