Version-specific issues for Mathematica 9

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20
votes
1answer
190 views

M9 performance regression for Fold?

I noticed an over 10x performance drop on Mathematica v9.0.1 (as Oleksandr R. commented, also v8) compared with v7.01 for this code: ...
5
votes
1answer
113 views

Why does Arrow not work well with Scaled coordinates in 3D?

I am a little puzzled by the fact that if I try to use Arrow with Scaled coordinates in 3 dimensions the arrowheads are all over ...
3
votes
0answers
210 views

Transform recursion for coefficients into differential equation for generating function

Assume, one is given a linear recursion with polynomial coefficients for a sequence $(a_i)_i$, such as a[i] == i a[i-1] I would like to convert this recursion ...
0
votes
4answers
115 views

RSolve fails on a two-equation non-linear system

I have a system of just two recurrence equations, I need to solve them and so I use RSolve: ...
9
votes
1answer
180 views

Mathematica9: NDSolve slows down after repeated calls

I have noted that in Mathematica 9 my code, which involves a lot of calls to NDSolve, slows down considerably after some time. Apparently, the problem is NDSolve itself and it seems to be related to ...
0
votes
0answers
49 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
1answer
38 views

In LineLegend, how do I force the legend entries to appear in a single column?

I want to create a single column LineLegend with at least 12 different entries. Suppose that I define lists colors and ...
4
votes
1answer
111 views

Missing V9 Menu: File -> New -> FreeCDF

I can run CDFs fine, and can export Notebooks as CDFs. But the File -> New menu does not contain a FreeCDF option, just the ...
7
votes
3answers
149 views
5
votes
0answers
132 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: ...
2
votes
0answers
270 views

Why my Mathematica 9.0.1 wont work with some samples of Mathematica in Graph Theory?

I updated my Mathematica recently to 9.0.1 cause the previous version was giving me freaky result especially in FindMinimumCostFlow and ...
7
votes
1answer
414 views

How can I display a multigraph with different colored edges?

I'm new to Mathematica(version 9) and I'm trying to display a multigraph with different colored edges. Here's my code so far: ...
15
votes
1answer
674 views

How to export and import Graphs with additional data?

I'm trying to export and then later import graphs with additional data added such as VertexLabels and EdgeLabels. When I export ...
20
votes
1answer
261 views

eigenvector bug?

I have a fairly simple $3\times3$ complex matrix, $$ M=\left( \begin{array}{ccc} \frac{7}{2}-\frac{i}{2} & -1+i & \frac{1}{2}+\frac{5 i}{2} \\ -1+i & 5+i & -1+i \\ ...
9
votes
1answer
145 views

Sporadic bugs in multidimensional SparseArray objects

Resolution WRI affirms that SparseArray[__] is broken (in 9.0 and 9.01) WRI's suggested workaround is SparseArray//Normal My ...
17
votes
1answer
548 views

Web Browser Screen Shot

I have Safari, Opera, Chrome, Firefox and IE installed how might a get a browser screen shot of a set of HTML code from inside Mathematica(for any of those browsers)? (Image is optional) The ...
0
votes
0answers
69 views

My plot is cut off if a frametick is “0” but resized if a frametick is “0.” Why?

I have been trying to customize the frame ticks and frame label around a certain contour plot and am running into very strange behavior where the graphics will get cut off by ...
4
votes
1answer
49 views
0
votes
0answers
44 views

Addition of sparse array objects [duplicate]

I have been having some trouble with the addition of large (but very sparse) matrices using SparseArray. Here is the simplest example to illustrate the issue. First, I will define diagonal matrices ...
0
votes
0answers
50 views

How to mathematically represent MMA 9 Spikey?

I am trying to figure out how to mathematically represent the MMA 9 Spikey in order to send to a 3D printer. According to this page, " In particular, spikeys for version 2 and up are based on a ...
0
votes
1answer
56 views

Import invocation fails with Get::noopen : Cannot open JLink error

The following function call fails when I invoke it in a fresh Mathematica session: ...
3
votes
1answer
107 views

Mathematica 9, Mavericks, Java

I've been trying to get a clear story regarding the interaction of these three components before upgrading my system from Lion to Mavericks --- I can't afford a Mathematica disaster. What I think is ...
8
votes
1answer
311 views

LogPlot axes labels destroyed when working in high precision

(I'm using Mathematica 8.) I have a Taylor series: poly = Normal[Series[E^x, {x, 0, 10}]] I want to produce a log-linear plot of the error. This is easy enough ...
1
vote
1answer
100 views

ParametricNDSolve: Fails to differentiate an matrix differential equation

It seems like there is a problem with differentiating a ParametricNDSolve object when the underlying system contains an matrix differential equation. Create a simple ParametricNDSolveValue object ...
0
votes
0answers
29 views

How does one use StandbyDistribution to model the reliability of an M of N warm standby system when M > 1?

I am modeling the reliability of a system with four units, numbered 1 through 4. The system needs at least two of the four units to be operational. Initially units 1 and 2 are active and units 3 and ...
2
votes
1answer
173 views

Autocomplete short symbol names in non-global context

Is it possible in v9 to autocomplete the short symbol names when one is operating in a context other than Global`? I.e. after evaluating the following: ...
16
votes
1answer
251 views

Kernel inexplicably hangs if I define a pure function without suppressing output

Save any unsaved work before trying as it may crash Mathematica and other programs by filling up the memory! In v9.0.1.0 on OSX 10.8.5, if I start a new session and define two functions ...
10
votes
1answer
163 views

Cancellation of common terms

Can someone explain why the term A in case 2 does not get canceled out when case 1 does? I use "9.0 for Microsoft Windows (64-bit) (January 25, 2013)" ...
1
vote
1answer
508 views

Can Mathematica 9 peacefully coexist with Mathematica 8 on Windows?

I am running Windows XP Professional (Service Pack 3). I am a graduate student, and my institution has a license for Mathematica for Students. Back when Mathematica 8 was released, I was worried ...
14
votes
2answers
213 views

Upon PDF export, edgeless rectangles do not tile perfectly, and corners may be cut. Is this a bug?

Exporting the following as a PDF file Graphics[{ {Red, Rectangle[{0, 0}, {1, 1}]}, {Green, Rectangle[{1, 0}, {2, 1}]} }] does not produce perfectly tiled ...
0
votes
0answers
33 views

Error in using EventLocator in NDSolve

I have a problem in using EventLocator in Mathematica 9. However, this error doesn't show up in Mathematica 8 on my labtop. My code is, ...
1
vote
0answers
98 views

Question about variable name autocompletion in $Mathematica$ 9 on OS X

For the command autocompletion, I can simply use Ctrk+K and then use Return or Tab to choose the completion. But when I want to autocomplete the local variables I have input, Ctrk+K works, but both ...
4
votes
1answer
79 views

How to control format options of an exported animation?

My woes with Mathematica animations exported in SWF-format continue. The goal is to Export an animation in SWF-format, and also make it scalable, so that when I embed it into a slide set (produced by ...
17
votes
2answers
203 views

Graphics elements do not line up perfectly in exported PDFs

Graphics elements do not always line up perfectly in exported PDFs. Take for example ...
3
votes
1answer
87 views

NDSolve`ImplicitRungeKuttaGaussCoefficients doesn't work

I am using Mathematica 9.0 on Ubuntu. I tried the first example from this documentation page, but it returns unevaluated: ...
3
votes
1answer
90 views

Is there really a bug in the following code, taken from the reference documentation for PetersenGraph?

PetersenGraph[5, 2, EdgeLabels -> {8 \[UndirectedEdge] 9 -> "hello"}] appears to evaluate perfectly, as expected, but in my version 9.0.1.0, the option ...
3
votes
0answers
36 views

up arrow works in math version 9, fails in math version 8 ^[[A [duplicate]

I have strange up-arrow behavior on command line Mathematica 8 versus Mathematica 9. Version 9 gives me history, where version 8 fails with escape codes. Any way to make them both work on the same ...
6
votes
1answer
66 views

Infix strange behaviour

Maybe this is a bug or maybe Infix acts differently than the other functions. The fact is that both: TreeForm[Infix[f[x, a]]] and ...
0
votes
0answers
210 views

Error when trying to run Mathematica 9 on Ubuntu 12.04 from the command line

When I type : mathematica or math on terminal, generates following error: ...
0
votes
1answer
201 views

updating code from 5.0 to 9.0

I am updating a code from a 5.0 version to a 9.0 version. I am speaking about "Advanced visual quantum mechanics". There is a package with this code: ` ...
2
votes
1answer
97 views

What is going wrong when I save an animation as a SWF-file?

The first I am trying to export animations from Mathematica to a file and then to LaTeX. Don't assume I know anything about what I'm doing. The following definitions defines the still image of a ...
2
votes
2answers
133 views

Long run time for older code that ran fast in older versions

The following code block is in Trott's Guidebook for Programming. The associated notebook says that this and a few other routines ran in a matter of seconds. I killed it after half an hour. I am ...
2
votes
1answer
296 views

NDSolve complains about missing derivatives of dependent variables in Mathematica 9

In Mathematica 8 NDSolve[{x[t] == 1, x[0] == 1}, x[t], {t, 0, 10}] solves fine and returns ...
0
votes
1answer
114 views

Old notebook (Version 3) not opening in version 9

I have some old notebook files in version 3 format from the book "Mathematica for Physicists". These files are blank except for the chapter header when opened in Mathematica 9. I have similar ...
0
votes
0answers
122 views

Mathematica Version 9.0.1 EPS Format Improvements

Is it just me or has the ability to make high quality EPS graphics increased greatly in version 9.0.1 compared to 9.0.0? I've always found it difficult to get plots that I make in Mathematica to print ...
12
votes
3answers
171 views

Wrong numerical value while exporting to a JSON string

The following code: ExportString[{"a" -> 2000000., "b" -> 0.000001}, "JSON"] Gives the results ...
1
vote
0answers
61 views

NMinimize memory consumption problem in Mathematica 9 vs. 7 & 8

I am having trouble using NMinimize in Mathematica 9 - Memory consumption overflows. The same NMinimize command, with the same ...
3
votes
1answer
65 views

Want actual cell data from CellEvaluationFunction

Let's say I print a cell like so. CellPrint@Cell[ BoxData[" "], "Input", Evaluatable -> True, CellEvaluationFunction -> Function[Print[#];] ] Now I ...