Version-specific issues for Mathematica 9

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3
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0answers
405 views

ItoProcess for stochastic reaction-diffusion equation

I am trying to simulate a stochastic differential equation in time and space, but I'm unsure if this can be done in Mathematica. The sde that I would like to study is: $$ ...
3
votes
0answers
52 views

How to influence Suggestion Bar in your package/code [duplicate]

Possible Duplicate: Is it possible to customize the Suggestions Bar? I have written a little code (like a minipackage) of different functions. In using my code, the user typically starts ...
2
votes
2answers
217 views

Why do Plot and ListPlot use the last PlotStyle when only one thing is plotted?

When a list of PlotStyles is given, ListPlot behaves as expected when there are multiple things to plot: ...
2
votes
2answers
140 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
2answers
191 views

Hiding certain user-defined functions in front-end autocompletion

I have written an elaborate code that contains a collection of functions for the user and a bunch of auxiliary functions whose existence I would like to hide away from the user. I've written my code ...
2
votes
1answer
110 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
1answer
269 views

Spectrogram of complex exponential functions in Mathematica 9

How can the v9.0 built-in Spectrogram[list, n, d] function be modified to accept complex exponential functions? The V8.0.4 code that produces the result I'm ...
2
votes
2answers
325 views

Matrices and polynomials: MMA 8 vs. 9?

I want a function to take a polynomial from a list, plug a certain matrix T into that polynomial, and return the answer as another matrix. My program uses the applyPoly function suggested by a user in ...
2
votes
1answer
388 views

Mathematica 9 behavior with derivative of a sum

In: D[Sum[Sin[x],x],x] D[Sum[f[x],x],x] Out: 1/2 Cos[1/2 (-1 - Pi + 2 x)] Csc[1/2] 0 Function f is undefined, but Mathematica 9 counts it as constant? ...
2
votes
1answer
367 views

Getting MemoryAllocationFailure from NIntegrate

When numerically calculating a double integral using NIntegrate over an infinite domain (with all options at their default), Mathematica 7 calculates my integral ...
2
votes
1answer
323 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 ...
2
votes
1answer
196 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: ...
2
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0answers
71 views

TableHeading Lines Do Not Show Up

For a list list = {{"a", "b", "c"}, {"d", "e"}}; Table heading lines do not show up ...
2
votes
0answers
277 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 ...
2
votes
0answers
71 views

List of supported units in Mathematica 9 [duplicate]

Is there a list of supported units in Mathematica 9 documentation? I personal haven't found any; even the physical constants (newly supported as units in 9) can only be found in compatibility ...
2
votes
0answers
379 views

how to associate a metric for tensor contraction operations?

I see that Version 9 now has some built in tensor support (which was missing back when previously asked How to represent and manipulate abstract indexed vector (or tensor) expressions?). The docs ...
1
vote
2answers
395 views

Reversing the ColorScheme used in an ArrayPlot and setting the font size in the color bar

I have a matrix of data that I am plotting via ArrayPlot. ...
1
vote
1answer
94 views

How do I show the transition probabilities in a graph of a Markov process?

How do I get Graph to display the transition probabilities for a Markov process as labels on the graph's edges? The information is clearly present in the graph, but ...
1
vote
2answers
525 views

Weird NDSolve behavior with Piecewise (MMA9)

NDSolve in Mathematica 9.0.0 (MacOS) is behaving strangely with a piecewise right hand side. The following code (a simplified version of my real problem): ...
1
vote
1answer
642 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 ...
1
vote
1answer
113 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 ...
1
vote
1answer
337 views

Solving differential equations with constraints

The problem is $$ x''(t)=F(t) - kx'(t) \\ x'(0)=x(0)=0$$ with the additional constraints $$ 0 < x(t) <a \\ 0 < x'(t) <b $$ where $F(t)$ is a known function and $a,b,k$ are given. At the ...
1
vote
1answer
68 views

Sort lists of vertices {indegrees, outdegrees} by indegree

in = VertexInDegree[F]; out = VertexOutDegree[F]; I want both in and out to be ordered by in. Example: graph has nodes a,b,c with indegrees 1,2,0 and outdegrees ...
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0answers
32 views

Use of Ito's lemma in ItoProcess

In the documentation for the ItoProcess it says: Converting an ItoProcess to standard form automatically makes use of ...
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0answers
114 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 ...
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0answers
70 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 ...
1
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0answers
148 views

How can I convert a plot to pdf or eps without errors?

Mathematica 9.0.1, Linux. I try to save a plot as a pdf. I tried four different options. In each case some errors appeared as blank space ( http://yadi.sk/d/h1koyDci4z3rc ). I also tried to save ...
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0answers
107 views

TableForm behavior change

In an older version NoteBook, I was able to specify some options for TableForm, which enabled the printing of an expression in a simple fashion: ...
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0answers
70 views

Consistently annoying error messages in Mathematica 9 [duplicate]

Possible Duplicate: Strange ::usage behavior in v9 Has anyone had any issues with a function, let's call it Function, which worked in Mathematica 8 getting the error message ...
0
votes
3answers
186 views

Given a Boolean representation of a system, how can the Reliability Function be displayed as symbolic algebra?

Can Mathematica 9 convert a Boolean representation of an RBD to its symbolic algebraic form? If I have a simple series Reliability Block Diagram made up of 2 components, c1 and c2 bexpr1=And[c1,c2] ...
0
votes
4answers
132 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: ...
0
votes
1answer
213 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: ` ...
0
votes
1answer
127 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
1answer
32 views

Bar legend does not display values

My BarLegend shows only zeros instead of right values and I cannot find the reason. I set following minimum and maximum: ...
0
votes
1answer
109 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: ...
0
votes
1answer
213 views

ListPlot with PlotRange -> Automatic giving unexpected results in V.9

There seem to be a problem with ListPlot auto ranging in Mathematica 9. Here's my code: ...
0
votes
1answer
60 views

Integrate and NIntegrate yield different results for double integral

Evaluating a double integral with bivariate normal distribution yileds widely different results depending on the method used. I define a bivariate normal distribution with {10, 3} and {8, 1.5} as ...
0
votes
0answers
68 views

Problem with using the results of ParametricNDSolve in a ParametricPlot3D

I new to Mathematica and I have a problem with certain equations. I want to plot a trajectory in spherical coordinates given by the equations: ...
0
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0answers
52 views

Derivative of generating function (Example from documentation)

In the documentation for GeneratingFunction, the following example is given under Examples -> Properties & Relations -> Derivative: ...
0
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0answers
78 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 ...
0
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0answers
45 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
59 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
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0answers
33 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 ...
0
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0answers
37 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, ...
0
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0answers
251 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
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0answers
153 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 ...
0
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0answers
142 views
0
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0answers
162 views

Command completion in Wolfram Workbench 2 vs command completion in Mathematica 9

I don't have access to Workbench 2, but I tried a trial version of Mathematica 9. On reading about the features of Workbench 2, I found that it also supports code completion. I am looking forward to ...