# Tagged Questions

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.

207 views

### Vastly incorrect answers obtained by increasing WorkingPrecision with modified Bessel functions

Bug introduced in 7.0 or earlier and persisting through 10.4.1 This is a follow-up to this question regarding numerical instabilities occurring with modified Bessel functions. In trying to explore ...
87 views

### Wrong limit: Limit[(1 + (-1)^n/n)^n, n -> Infinity]=1 (Mathematica 10.4 and W-Alpha)

Since $(1-\frac{1}{n})^n\to 1/e$ and $(1+1/n)^n\to e$, the sequence $(1+\frac{(-1)^n}{n})^n$ has no limit as $n\to\infty$, but has limits for odds and even numbers. If $n$ were taken to be real, there ...
58 views

### Cannot reproduce VectorDensityPlot solution from question 37459

Bug introduced in 10.0 or earlier and persisting through 10.4.1 or later (Reported to Wolfram Technical Support on 24 May 16) Using Mathematica 10.4.1 for Microsoft Windows (64-bit) (April 11, ...
631 views

### LogPlot axes labels destroyed when working in high precision

Bug introduced in 7.0 or earlier and persisting through 10.4.1 (I'm using Mathematica 8.) I have a Taylor series: poly = Normal[Series[E^x, {x, 0, 10}]] I ...
198 views

### Problem with PlotLabels

Bug introduced in 10.4 and persists through 10.4.1 Version 10.4 introduced the PlotLabels option in ListPlot and similar ...
59 views

### Plot option Filling conflicts with option PlotLabels

The regulars here discuss approaches to numerically unstable systems of higher-order PDEs, and I cannot even paint by numbers … (sigh) A Plot[] of simple curves with ...
461 views

### How can I change the thickness of tick marks in BarLegend?

Bug introduced in 10.1 or earlier and persisting through 10.4.1.0 or later This answer explains how to change various undocumented options for BarLegend with ...
94 views

### TrackingFunction not working properly if range containes a mathematical constant

Bug introduced in 10.0 and persisting through 10.4.1 or later Answering this question I had to realize that TrackingFunction isn't working properly if at least ...
99 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 ...
139 views

### Something wrong when I apply Derivative on a SparseArray

Bug introduced in v5.0 or earlier, and persisting through v10.4.1. There, I create a SparseArray using command ...
277 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: ...
146 views

### Bug in grouping after editing code?

Bug introduced in 7.0 or earlier and persisting through 10.4.1 or later While looking at A question about conditional replacement I think I discovered a bug in the Front End that affects both 7.0.1 ...
103 views

### Why a function returns two different values if copied into a Notebook or imported with Get from a Wolfram Mathematica Package?

I have some Mathematica code that shows a behaviour I really cannot understand. The code only contains a bunch of function definitions. If I paste it in the Notebook Front End and I evaluate it, I ...
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 ...
372 views

### Can't find the eigenvectors of a simple 2x2 matrix

Bug introduced in 8.0 or earlier and fixed in 10.3.0 Why can't Mathematica find the eigenvectors of this matrix? ...
274 views

### How to use Get on a folder

In the documentation for Get it says: If the file found by <<name is a directory, the Wolfram Language will try to ...
1k views

### How to get grid lines at all (log) tick marks in Version 10?

Bug introduced in 10.0.0 and fixed in 10.1.0 Update: It seems that only versions 10.0.0, 10.0.1, and 10.0.2 are affected by this problem. For 10.0.0 there is no general solution known to me due ...
39 views

### Limit Relief plot output to specified X and y range

I have a table of values and I'd like to use ReliefPlot to visualise. Is it possible through the plot command to limit the $x,y$ range displayed? The help suggests ...
203 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 ...
119 views

### Creating Saveable->False notebooks

Bug introduced in 10.3 or earlier and persisting through 10.4.1 Reproduced on Windows 7, 10 Bug confirmed by WRI: [...] It does appear that the Saveable Notebook Option on Windows is not ...
149 views

### HighlightGraph Problem

Bug introduced in 9.0 or earlier and persisting through 10.4.1 HighlightGraph does not work. ...
119 views

### Same input,different result? [duplicate]

Using this code,you can see,same input, but the output are different. So weird! If I copy this code here, it outputs normally. So what's the problem? Ps:I use ...
62 views

### Mathematica hang on a Manipulate expression

Manipulate[Plot[Erfc[x/(2 Sqrt[t])], {x, -5, 5}], {t, 0.1, 5}] With a fresh kernel, after evaluating this, Mathematica will hang immediately if I try to drag the ...
2k views

### Failure to export graphics by right-click when Notebook magnification is changed

Bug introduced in 9.0.1 or earlier and persisting through 10.4.1 or later When I try to export graphics as PNG, JPG and other rasterized formats using the right-click and choosing ...
120 views

### Manipulator reset bug

Bug introduced in 10.3 or earlier, fixed in 10.4. When the + opener is opened, two things happen: ...
184 views

### Why can't the Bernstein Bears work normally?

Bug introduced in 7.0 and fixed in 9.0 I want to use the built-in BernsteinBasis[] to learn about Bezier curves. I tried the following code: ...
139 views

I noticed a bug in Mathematica. It computes incorrectly a definite integral ...
105 views

### Empty WhenEvent action crashes kernel

Bug introduced in 9.0 and persisting through 10.4.1 WhenEvent is new in 9.0. This is an example from the docs, slightly modified (action is wrapped in ...
515 views

### In 10.1.0 BenchmarkPlot doesn't work?

Bug introduced in 10.1 This bug was resolved in 10.2.0, but another bug was introduced in 10.3.0 persisting through 10.3.1 and finally resolved in 10.4 In Mathematica 10.1.0 and 10.3.0 ...
84 views

### Why I cannot change the AxesStyle of the Plot?

Bug introduced in 8 or earlier and persists through 10.4.1 I am trying to plot the following single variable function: \small\frac{180 \sqrt{\pi ^2-625 t} \left(\pi ^2 (36 t-25)-1500 t \left(45 ...
42 views

### NDSolve kernel crash, affected by variable naming

The following isolated example cannot be further simplified much to reproduce a crash. I've already submitted the issue to TechSupport, but it seems this is not an easily reproducible case, so I'm ...
91 views

### How to copy text from InputField without adding spurious spaces? [closed]

The problem happens when you copy text from an InputField and paste it into another: Mathematica inserts spaces in unnecessary places, such as around any ...
53 views

### CopyToClipboard freezes FrontEnd

This is freezing the FrontEnd: CopyToClipboard@ExampleData[{"Text", "AeneidEnglish"}] Are there system limits I'm hitting here?
164 views

362 views

### GeoGraphics: problem with GeoPosition in shifted projections

Bug introduced in 10.0.0 and persisting through 10.4.1 A remark about the answer: My work around is only nice for simple cases with points. More general should include proper polygons splitting on ...
123 views

### DSolve breaks when the ordering of independent variables aren't proper?

Bug introduced in 5.2 or earlier and persisting through 10.4.1. I encountered this when trying to solve this problem with DSolve: ...
144 views

### Request for clarification of Eigensystem::eivn message

What causes the problem of "two eigenvectors associated to one single multiplicity eigenvalue" that I am experiencing? After several transformations to simplify an unwieldy matrix, I end up with the ...
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 ...