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.

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8
votes
0answers
84 views

Bug in TreeForm: “Plot” formatted as True

Bug introduced in 7.0.1 or earlier, persists through at least 10.0.2 I believe I have come across a rather curious bug in TreeForm: ...
14
votes
2answers
329 views

Can't get Append to append a record (association) to a dataset

The Documentation Center item, Computation with Structured Datasets, implies that Append has been extended in V10 to work with datasets. But not on my computer. (I ...
15
votes
4answers
596 views

HoldForm doesn't hold form

Bug introduced in 10.0.0 and fixed in 10.0.1 In Mathematica version 10, HoldForm no longer produces the same results as in version 8 (edit: I only have versions ...
13
votes
1answer
99 views

Report: IgnoringInactive: a bug?

Bug introduced in 10.0.0 and fixed in 10.0.1 Just to report. IgnoringInactiveshould work with Cases. In agreement with the ...
11
votes
2answers
356 views

Probable Bug in ConvexHullMesh

Consider points taken from the following parametric plot. See this question ...
6
votes
3answers
183 views

Incompatibility of Row and TeXForm

Bug introduced in 9.0. persist as of 10.0.2 Update: Since no one has been able to give a reason for this change in behavior or provide a solution I am tagging this as a bug. Please report it to ...
8
votes
2answers
240 views

Webdings are different on V10 vs V9. Why?

I use FontFamily->"Webdings" in interfaces in several places, but among other things for custom opener icons, for example I use the following "icons" for open and closed openers: In version 10 this ...
9
votes
4answers
416 views

Should DSolve always return solution with constant of integration?

Bug introduced in 10.0.0 and fixed in 10.0.2 Clear[y,x]; DSolve[D[y[x], x] - y[x]^2 + y[x]*Sin[x] - Cos[x] == 0, y[x], x, GeneratedParameters -> C] or ...
11
votes
3answers
189 views

Strange Behavior in Barchart LabelingFunction

Bug introduced in 10.0.0 and fixed in 10.0.1 BarChart formatting algorithm make me loose some time today in V10. Now, ...
7
votes
1answer
123 views

Possible bug: SparseArray Part assignment loses default value?

fixed in 10.0.2 This sure looks like a bug to me (Mathematica 10.0.0, MacOS): ...
7
votes
1answer
393 views

Mathematica 10 doesn't support path containing Chinese characters

Note: This works correctly in version 10.0.2. I tried to import file in Mathematica 10 ( windows 7 system), the path contains some chinese characters. After holding ctrl+shift, and drag the file ...
29
votes
2answers
2k views

Mathematica 10 Notebook Fonts Look Bad

Bug introduced in 10.0.0 and persisting through 10.1.0 or later I've upgraded my home installation of Mathematica from version 9 to 10 today on a Windows 8.1 machine, and I'm getting a weird font ...
11
votes
2answers
186 views

Dispatch displays rules incorrectly and evaluates when displaying

Bug introduced in 10.0.0 and fixed in 10.0.1 Consider this a = 3; disp = Dispatch[Unevaluated[{a -> 2}]] We see the rule ...
6
votes
0answers
258 views

Bug report: Attempting to Save Selection As… in a magnified Notebook fails with errors [duplicate]

Bug introduced in 9.0.1 or earlier and persisting through 10.0.2 or later I have found that attempting to Save Selection As... in a magnified Notebook fails with errors. On my system it can be ...
11
votes
2answers
239 views

Is there a bug in AssociatePairs?

bug persist as of 10.0.2 In Version 10, the GeneralUtilities package contain some useful functions. AssociatePairs is one of ...
8
votes
1answer
283 views

Mma10 mystery: Failure of pure function substitution with Interpretation?

Bug introduced in 10.0.0 and fixed in 10.0.1 I had code to display with subscripts from Displaying index as subscript on output: e.g. C[i] -> C_i with Notation[...] or Interpretation[..]? which ...
7
votes
1answer
132 views

Issue with PieChart3D in Version10. Is it Mac specific?

I was testing version 10 to see if the ImagePadding bug described here had been fixed and came across a significant issue. The chart (code from linked question) ...
6
votes
0answers
95 views

GraphicsGrid Format Problem with SpanFromAbove

I believe this is a bug in GraphicsGrid. ...
5
votes
2answers
155 views

Format-Size-Larger/Smaller shortcut disabled in M10?

It seems that the keyboard shortcuts for enlarging/reducing the font size (ALT+= / ALT+-) don't work anymore in M10 as it did in M9. If I select the text (or code) inside a cell they work. But if I ...
12
votes
1answer
274 views

Bug in handling backslashed Cyrillic symbols in v.10.0.0?

UPDATE: In version 10.1.0 the described bugs are fixed. Now both the inputs "\б" and "\\б" are interpreted as ...
16
votes
3answers
390 views

Are there any tutorials on version 10 notebook templating and report generation? Are there missing docs?

I am trying to understand the new templating in version 10. While there is a general documentation page with links to docs for each new function, so far I am unable to find any report generation ...
20
votes
1answer
616 views

Kernel crash after idle in version 10.0

In version 10.0, when I leave the Mathematica section idle for some time (of order an hour), the kernel quit automatically. The syntax highlighting is gone and the variables that has defined before ...
13
votes
1answer
203 views

Potential pollution of Global` context in fresh kernel

Bug introduced in 10.0.0 and fixed in 10.0.1 If I evaluate, with a fresh kernel Names["Global`*"] I get {"rhs", "z"} ...
4
votes
1answer
148 views

Why GridLines->function does not work with LogPlot?

Bug introduced in 10.0.0 and fixed in 10.0.1 Version 10: This works: ...
9
votes
1answer
253 views

Menu commands on Palettes and other windows without menu bars?

Bug introduced in 10.0.0 and persisting through 10.1.0 or later In the Version 10 interface, at least by default, there is no longer a common menu bar in a separate window, and menus appear to be ...
18
votes
0answers
371 views

Input Aliases in Mathematica 10

Bug introduced in 10.0.0 and persisting through 10.0.2 or later In Mathematica 9, typing in an input alias such as intt would result in the keyboard cursor ...
13
votes
1answer
268 views

Why does GridLines option fail with Function?

Bug introduced in 10.0.0 and fixed in 10.0.1 The Plot option GridLines can be specified either as a list of explicit values ...
24
votes
1answer
728 views

What is wrong with triangle PlotMarkers in v.10.0.0?

Bug introduced in 10.0.0 and fixed in 10.0.1 In Mathematica 10.0.0 we have built-in graphical triangle PlotMarkers. Let us look closer on them: ...
7
votes
4answers
252 views

PlotLegend disappears if Plot is used with ColorFunction

Working some charts on V10, I discovered that PlotLegends disappears if used together with ColorFunction inside ...
12
votes
1answer
226 views

AbsoluteOptions prints error messages in V10

Bug introduced in 10.0.0 and fixed in 10.0.2 I am trying to use AbsoluteOptions in V10 but I am getting the Out with some errors as see in this picture: does anyone have same issue?
3
votes
2answers
441 views

Transparency rendering problems in Mathematica 10 (Mac)

For some weird reason, they apparently changed the styling of contours in ContourPlot for 10.0. Here is a comparison of the results for V9 and V10 (first 9, then 10): ...
24
votes
3answers
854 views

Error changing Dataset using Part

bug present as of 10.1.0 bug present as of 10.0.2 In the new guide Computation With Structured Datasets we can find this part, on how to change a Dataset But if we create a ...
5
votes
1answer
122 views

Systematic increase in runtime [duplicate]

When I run this simple code, which repeats many times the exact same operation (a differential equation), the runtime (given by Timing) increases systematically, ...
4
votes
2answers
236 views

Drawing an arrow head on a curve

I am trying to create an illustration for a paper and export it to PDF. Here is the code ...
19
votes
1answer
471 views

Specifying non-conflicting PlotTheme options

I am trying out Mathematica 10 on https://programming.wolframcloud.com. $PlotTheme interested me a lot because it finally produces nice plots (probably) without the ...
8
votes
0answers
123 views

Bug in PositiveDefiniteMatrixQ?

Fixed in 10.1.0. Exists in at least 9.0.1 -- 10.0.2. This seems like a bug in PositiveDefiniteMatrixQ to me: ...
4
votes
2answers
286 views

Why doesn't Roots work on a certain quartic polynomial equation?

In everything that follows I am using Roots to get the solutions to the equations. I start off with this equation: $$ \frac{A}{3}x^4 - x^2 + 2ax - b^2 = 0$$ Now ...
2
votes
1answer
73 views

FunctionInterpolation error when specifying AccuracyGoal

In the help page ref/message/FunctionInterpolation/ncvb, it is mentioned that one should specify AccuracyGoal for some (even ...
7
votes
1answer
101 views

Why am I getting wildly incorrect results from FirstPassageTimeDistribution with inexact transition matrix?

Working on some large systems using DiscreteMarkovProcess, I changed the transition matrix to machine precision vs using exact values, which sped things up handily. ...
8
votes
1answer
268 views

Why is this infinite series wrongly computed by Mathematica?

Could you let me know if Mathematica (newer versions) is able to correctly compute this one? Sum[(-1)^(n + 1) Cos[3^n x]^3/3^n, {n, 1, Infinity}]
8
votes
0answers
176 views

TableView displays negative numbers incorrectly

I'm trying to substitute TableForm with TableView because TableView is more handy with big data . But on my Mathematica 9.0.1 (ubuntu 14.04_64bit) there is a problem with negative numbers: ...
20
votes
3answers
370 views

Negative probability?

Bug introduced in 9.0.1 and fixed in 10.0.2 I am trying to get the sum of the squares of seven random variables, all uniformly distributed. This is what I tried. ...
10
votes
4answers
356 views

Correct way to integrate a certain function

I want to integrate $$ \int_{0}^{2\pi} dt_1 \frac{a + b*\cos(t_1 - t_2)}{c + d*\cos(t_1 - t_2)} $$ where $a, b, c, d, t_2$ are real numbers and $c + d > 0$ & $0 \leq t_2 \leq 2\pi$. I used ...
8
votes
1answer
146 views

Strange behavior of BinCounts

Bug introduced in 8.0 and fixed in 10.0.0 Just try this example: ...
5
votes
2answers
119 views

What is the syntax to conditionally suppress plotting in version 9?

In Mathematica 7 it is very easy to conditionally suppress plotting of individual lines using If: ...
7
votes
2answers
179 views

Why does StreamColorFunctionScaling refuse to turn off?

Consider this simple streamline plot: StreamPlot[{-y/10, x/10}, {x, -1, 1}, {y, -1, 1}, StreamColorFunction -> Function[{x, y, u, v}, Hue[v]]] The ...
5
votes
0answers
158 views

How to fix a PDF line rendering problem in V9

If I run this in V8 ...
8
votes
2answers
741 views

Is Mathematica really getting this limit wrong?

I'm trying to calculate: $$ \lim_{\beta \to \infty} \tanh \left( \beta A \right) = \mathrm{sgn} \left( A \right) $$ for $A \in \mathbb{R}$, $\mathrm{sgn} \left( \# \right)$ being the sign function. ...
11
votes
0answers
257 views

Strange filling

I observed some strange behaviour when plotting a function with filling. The code is as follows: ...
5
votes
2answers
132 views

Checkbox behaving weird when variables are local

I have a DynamicModule in which I need a checkbox with a Max in the dynamic part: ...