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27
votes
0answers
675 views

What calendar is Mathematica using for dates in the distant past?

It appears that Mathematica treats all dates as proleptic Gregorian dates by default, a hypothesis that can be easily tested by using AbsoluteTime to compute the ...
19
votes
0answers
378 views

Version 10 cannot print properly?

Update Not fixed in version 10.0.2 I have two problems with printing in version 10. First, I can't print correctly with a setting of printing scale For example, I have some plots in a notebook, ...
17
votes
0answers
320 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 ...
16
votes
0answers
179 views

A documented syntax of FileNames doesn't work?

bug present as of 10.0.2 According to the documentation for FileNames: However when I attempt to use this syntax I get an error: ...
15
votes
0answers
136 views

A bug in the overloading of MemberQ and FreeQ for Association?

Bug introduced in 10.0.0 While answering Pattern match for nested Association I came across behavior of MemberQ and FreeQ in ...
12
votes
0answers
125 views

Bug(?) in version 10: Tooltip and ListPointPlot3D

Bug introduced in 10.0.0 The coordinates of a point in a three dimensional graph can be shown in a tooltip: ...
11
votes
0answers
182 views

Possible bug: Quantity[2,“meters”] returns 2 None meters

I'm using 10.0 for Linux. Trial 1: Quantity[2,"meters"] 2 None meters Trial 2: Quantity[2,"Meters"] 2 meters Trial 3: ...
11
votes
0answers
178 views

Compile not correctly initializing a variable defined inside Module

In the following example, inside the minimumX's Module, x is initialized to 1, but the ...
10
votes
0answers
88 views

Incorrect use of Scaled causes crash

Bug introduced in 8.0 and persisting through 10.0.2 or later While playing with Scaled, I made a syntax error which caused a crash instead of an error message ...
10
votes
0answers
88 views

Unexpected pattern matching behaviour: PatternSequence vs. Optional

Consider the following pattern-matching expressions: ...
10
votes
0answers
125 views

CDF Player - MMA9 - MMA10 oddities

I'm (slowly) building a WordPress site with some didactic simulation made with Mathematica. Users can run the simulations (on-line or off-line) with the free Wolfram CDF Player. One of the last ...
10
votes
0answers
291 views

Greek variables in 10.0.1

10.0.1 under Ubuntu 12.04 x64 .... Does everybody get greek variables emboldened? Is anybody aware of how to revert to previous normal display? The image below shows what I mean.
9
votes
0answers
236 views

Strange filling

I observed some strange behaviour when plotting a function with filling. The code is as follows: ...
9
votes
0answers
164 views

HorizontalGauge causes problem with ScalingFunctions -> “Log”

I am trying to use HorizontalGauge[Dynamic[expt], {0.1, 100}, ScalingFunctions -> "Log"], i.e. a gauge with a logarithmic scale. This creates an error, a graph ...
8
votes
0answers
99 views

Why is this evaluation halved when adding units?

Why does this strange behavior occur when dealing with units and quantities? ...
8
votes
0answers
193 views

Break[] inside ColorFunction

f[x_?NumericQ]:= (Do[Break[],{i,1,2}];x) Plot[x,{x,0,1},ColorFunction->(ColorData["Rainbow"][f[#]]&)] Break::nofwd: No enclosing For, While, or Do found ...
7
votes
0answers
126 views

Bug in plotting function using FindMinimum?

Bug introduced in 10.0.1 (or 10.0.0) and persisting through 10.0.2 or later While working on an answer to RegionPlot from NDSolve, I came across this strange behavior of ...
7
votes
0answers
93 views

ParametricPlot MeshStyle bug in v10?

Update This bug is fixed in v10.0.2.0 Original Post The documentation gives the following code and says "Use a red mesh in the x direction and a blue mesh in the y direction:" ...
7
votes
0answers
218 views

Dataset: cannot reproduce a basic example. A bug?

Just to report: I try to reproduce the very first example for the Dataset from the Documentation Center: ...
7
votes
0answers
78 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: ...
7
votes
0answers
100 views

Bug in PositiveDefiniteMatrixQ?

bug persist as of version 10.0.2 This seems like a bug in PositiveDefiniteMatrixQ to me: ...
7
votes
0answers
161 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: ...
6
votes
0answers
137 views

Problem with DiscretizeRegion

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6
votes
0answers
96 views

One less arrow vector than asked for

Bug introduced in v10 Consider the following code: ...
6
votes
0answers
149 views

Suspected bug in Integrate

Bug introduced in 9.0.1 or earlier and persisting through 10.0.2 or later In version 10.0: ...
6
votes
0answers
132 views

Copy/Paste of quoted text crashing Mathematica 10?

(Mathematica 10.01 under Windows 7) Create two text cells and in each of them place the following text: <table align="left" style="margin-left:50px; border-collapse: collapse; padding: 0px; ...
6
votes
0answers
136 views

FindRoot kills kernel

Bug introduced in 7.0.1 or earlier. Persists through at least 10.0.2 I'm having problems with FindRoot killing the kernel. In my real application, I want to FindRoot on a black-box function ...
6
votes
0answers
132 views

InputAliases and SelectionPlaceholder issue in V10

Let's create an example and do the test: ...
6
votes
0answers
80 views

GraphicsGrid Format Problem with SpanFromAbove

I believe this is a bug in GraphicsGrid. ...
6
votes
0answers
197 views

Menu commands on Palettes and other windows without menu bars?

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 localized to individual Notebook windows. If I select a Palette and ...
6
votes
0answers
152 views

Issue with FindCurvePath

I have a problem with the function FindCurvePath. In some cases it crashes the Mathematica 9 Kernel. Here an example, where it crashes the kernel: ...
6
votes
0answers
168 views

Documentation for user-defined functions; undocumented documentation feature?

I stumbled on some strange behaviour when trying out the new function template and documentation features, now purportedly working in v 9.0.1. I defined a function ...
6
votes
0answers
104 views

Compiled function crashes kernel when trying to list over different length arguments

I'm trying to speed up a tally/binning operation that I have to run many times. I have many lists of between 1 and 10 numbers from the range [1,5] and I want to ...
6
votes
0answers
158 views

Mathematica 7: “LessEqual::nord:” error when using NMinimize on a real function

I encounter a problem (Mathematica 7) similar to Strategies to avoid LessEqual::nord in NMinimize? but the advised strategies don't work for me. Also, I get different results with different ...
5
votes
0answers
102 views

Instant kernel crash when using `+=` on `SparseArray` with repeated entries

Bug introduced in 5.2 and persisting through 10.0.2 or later Not sure if this is known behavior or not, but the following two lines produce an instant kernel crash (I'm using Mathematica 10.0.1 ...
5
votes
0answers
96 views

More Ticks::ticks errors in AbsoluteOptions in v10

Bug introduced in 10.0.0 While the specific bug affecting Plot described in AbsoluteOptions prints error messages in V10 has been fixed in 10.0.2 there remain ...
5
votes
0answers
118 views

Linux: Mathematica crashes when clicking documentation links very fast

Can someone confirm the following behavior: Open a new Mathematica and go to the documentation. Navigate to any reference page (I used RegionPlot) and click ...
5
votes
0answers
187 views

Colored marks appearing in notebook input text?

What is the causing these colored marks to appear in my Mathematica notebook? I'm particularly annoyed with the black ovals that occasionally obscure parts of the input as I'm typing: I have also ...
5
votes
0answers
95 views

Convoluting inverse square root with Gaussian

I would like to convolute the inverse square root on the interval [0,inf] with a Gaussian function, like so: ...
5
votes
0answers
230 views

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

Bug introduced in 10.0.0 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 easily ...
5
votes
0answers
146 views

How to fix a PDF line rendering problem in V9

If I run this in V8 ...
5
votes
0answers
176 views

Strange Integrate behavior (a bug!)

The following two calculations should give the same result. After all, integration is a linear operation. I have pasted the code below in case you want to play with it. ...
5
votes
0answers
127 views

The same analytical expression gets inconsistent FourierTransform results

I have an expression which is just a linear combination of plane waves, and I'd like to calculate FT of it. I know what I will get should be a bunch of delta functions, but it turns out Mathematica ...
5
votes
0answers
185 views

Exporting large numbers in WDX format

I have a list of 10 000 3×3 matrices in Mathematica. The entries are rational numbers. I would like to write this to a file so I can load it again in the future. After some fussing with file formats, ...
5
votes
0answers
243 views

NullSpace[_, Method->“OneStepRowReduction”] is sometimes wrong; how can I work out when this happens?

(This is on MMA 7.0.1.0 on OS X) I've just found a large matrix m for which NullSpace[m] and ...
4
votes
0answers
56 views

Exclusion disappears but style doesn't work

Consider this code: f[x_]:=(6 + 4 x + x^2 - x^3)/(x-2) Plot[f[x], {x, -10, 10}, Exclusions -> {2}, ExclusionsStyle -> Directive[Red, Dashed]] It produces ...
4
votes
0answers
42 views

Extraneous reaped data with NDSolve and WhenEvent

In exploring What is the range of values $x$ for which $f(x)$ is higher than $k$ over a given domain?, I came across the following strange behavior: ...
4
votes
0answers
61 views

Bug in ExportString with Associations as ExpressionML?

If I try to export this toy code as ExpressionML or just XML: ...
4
votes
0answers
114 views

LowpassFilter in v10: unit issues?

Bug introduced in 10.0.0 and persisting through 10.0.2 or later I tried this with a clean start and no documents loaded. Now, evaluating the following on the documentation page for ...
4
votes
0answers
265 views

ErrorListLogPlot gives wrong error bars on log scale

From this and this post I learned how to use ErrorListLogPlot and its family to add error bars on top of a list of mean values. However, consider this simple ...