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27
votes
0answers
629 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 ...
18
votes
0answers
336 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, ...
15
votes
0answers
123 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 ...
15
votes
0answers
263 views

Input Aliases in Mathematica 10

Bug introduced in 10.0.0 In Mathematica 9, typing in an input alias such as intt would result in the keyboard cursor automatically positioned within the first ...
13
votes
0answers
365 views

Save as pdf broken in version 10.0.2?

It looks like the save as pdf is broken after I update to version 10.0.2. The labels in the plot become a mess. Are there ways to fix it? The Export function works ...
12
votes
0answers
111 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: ...
12
votes
0answers
124 views

A documented syntax of FileNames doesn't work?

According to the documentation for FileNames: However when I attempt to use this syntax I get an error: ...
10
votes
0answers
273 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
228 views

Strange filling

I observed some strange behaviour when plotting a function with filling. The code is as follows: ...
9
votes
0answers
154 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 ...
9
votes
0answers
158 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
192 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
183 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
76 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
97 views

Bug in PositiveDefiniteMatrixQ?

bug persist as of version 10.0.2 This seems like a bug in PositiveDefiniteMatrixQ to me: ...
7
votes
0answers
149 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
113 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
127 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
70 views

GraphicsGrid Format Problem with SpanFromAbove

I believe this is a bug in GraphicsGrid. ...
6
votes
0answers
146 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
166 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
100 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
151 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
75 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
87 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
92 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
113 views

InputAliases and SelectionPlaceholder issue in V10

Let's create an example and do the test: ...
5
votes
0answers
187 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
177 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 ...
5
votes
0answers
141 views

How to fix a PDF line rendering problem in V9

If I run this in V8 ...
5
votes
0answers
172 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
117 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
171 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, ...
4
votes
0answers
72 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 ...
4
votes
0answers
160 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 ...
4
votes
0answers
194 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 ...
4
votes
0answers
135 views

Syntax error for optional pattern, but only in debugger

This expression (explained here by Leonid) evaluates fine unless Evaluation->Debugger is enabled: h[x : (_Integer) : 1] := x Syntax::sntxf: "x:" cannot be ...
4
votes
0answers
68 views

Error with String patterns producing Removed[“$$Failure”]

While working on How to capitalize the first letter of each word in a string and trying to understand why certain characters were not considered letters I tried this: ...
4
votes
0answers
191 views

Strange result from evaluating a Limit expression

When I evaluate the limit of (1-Cos[x]) Sin[1/x] at x = 0 in Mathematica 9, I obtained ...
4
votes
0answers
195 views

FinancialData property value at a given date

I was trying to get the volatility value of a specific equity on a given day. Based on the Mathematica Help, the syntax is ...
4
votes
0answers
192 views

Unexpected behavior of GeometricTransformation

I have the following mapping on the complex plane: $$ z \mapsto \tau \mu z-1, $$ where $\mu$ is complex, $\tau$ is real number. I want to draw the image of left unit semidisk and play with $\tau$. ...
4
votes
0answers
240 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 ...
3
votes
0answers
89 views

LowpassFilter in v10: unit issues?

I tried this with a clean start and no documents loaded. Now, evaluating the following on the documentation page for LowpassFilter: ...
3
votes
0answers
88 views

Derivative of generating function (Example from documentation)

In the documentation for GeneratingFunction, the following example is given under Examples -> Properties & Relations -> Derivative: ...
3
votes
0answers
244 views

Weird behaviour from ListSurfacePlot3D

Looking at Documentation for ListSurfacePlot3D, I follow the basic example presented there. ...
3
votes
0answers
383 views

Cannot save file

Hello I have a problem in saving files in Mathematica. I can't save not only notebooks but also figures. When I choose to save the notebook it open a window that says: Mathematica could not find ...
3
votes
0answers
94 views

An recurrence equation that can be solved in version 7 but not in version 8

A friend of mine showed me this code sample: RSolve[{a[n] == a[n - 5] + 1, Sequence @@ Table[a[i] == 1, {i, 5}]}, a[n], n] // Timing It's solved by version 7 in ...
2
votes
0answers
101 views

Can't type in notebook in version 10

After upgrading to version 10, I sometime get into the situation that I can enter nothing to the notebook. The Mathematica seems alive but it doesn't take any input from the keyboard. I tried to quit ...
2
votes
0answers
86 views

Is this a bug in NCAlgebra library?

In course of my work with NCAlgebra package for Mathematica, http://math.ucsd.edu/~ncalg/ , I encountered unexpected behavior of replacements. I am using ...
2
votes
0answers
82 views

How could I upload a XLS file to Cloud and then plot it?

I want to upload a file to the Wolfram Cloud and plot the list: So I use the following code to check its head at the beginning: ...