For questions specific to Version 8 of Mathematica.

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1
vote
2answers
53 views

Add weighted edge to a graph in Mathematica 8

Is it possible to add an edge with a specific weight to a Mathematica Graph object? The function EdgeAdd has no option for the weights, nor the ...
4
votes
0answers
40 views

Interpolation on an unstructured (mostly-structured) grid in 4D+

I frequently need to perform interpolations on an unstructured grid. Mostly, with the purpose of filling grid holes and then later continue with regular grid interpolations. Mathematica V9 and V10 ...
2
votes
1answer
87 views

a mysterious error in multiple symbolical integration

I am trying to do the following integration: ...
3
votes
1answer
201 views

Create a color bar plot legend

I have the following list of parametric equations lst = {10*Cos[u]*Sin[v], 3*Sin[u]*Sin[v], 2*Cos[v]}; I define the following color function ...
2
votes
3answers
268 views

Adding plot legends in version 8

I use Mathematica to draw the displacement, velocity, and acceleration of one point in a graphic. ...
1
vote
0answers
70 views

Bug in ListVectorPlot?

Trying to evaluate the following expression kills my kernel (Mathematica 8.0.0.0): ...
0
votes
1answer
158 views

Mathematica crashes after some iterations

I wrote a Mathematica script, which calculates an integral value at a list of points and writes it to a file: ...
5
votes
1answer
150 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 ...
6
votes
0answers
143 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: ...
3
votes
0answers
37 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
72 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
1answer
170 views

Run FileSystem Remotely and Front End/Kernel Locally

Is there a way to run both the front end(& kernel) locally while the having Mathematica's filesystem(inode's at minimum) reference another os's filesystem? For example currently I run ...
5
votes
2answers
327 views

Is Mathematica 8 compatible with Mac OS X 10.9?

Does anyone know if Mathematica 8 works with OS X 10.9?
0
votes
0answers
25 views

DialogInput inside ButtonBar freezes Mathematica [duplicate]

In Mathematica 8, if I press a button on a ButtonBar which contains a DialogInput Mathematica freezes. Is this reproducible and ...
3
votes
1answer
162 views

FullSimplify yielding different results in mathematica 8 and 9

I have been experiencing some problems running a certain mathematica file in version 9. I've tracked the problem to a particular sum that I perform. Running the same code in version 8 and 9 I get two ...
0
votes
0answers
365 views

Problem enabling PlotLegends in Mathematica 8.0

I am trying to make a legend for a simple plot in Mathematica 8, but does not seem to recognise the command PlotLegends. I declared beforehand ...
4
votes
1answer
177 views

Can't simplify Abs[a*Cos[x]]^2

Why doesn't FullSimplify[ Abs[a*Cos[x]]^2, Assumptions -> {{a, x} ∈ Reals}] simplify to (a*Cos[x])^2 but this query ...
7
votes
1answer
90 views

Bug in GeneratingFunction?

According to the documentation GeneratingFunction[a[n],n,x]==Sum[a[n]x^n,{n,0,Infinity}] However, for $a_n=1/(n+2)$ I obtain ...
0
votes
0answers
44 views

Running PlotLegends in Mathematica 8 [duplicate]

I will like to get a density plot (in Mathematica 8) as in: Make legend same height as plot. However, anytime I run ...
3
votes
0answers
178 views

Method Shrinkwrap Messes up editting Graphics

If you try resizing or moving the Inset in the following interface, the Graphics becomes incredibly jerky and borderline ...
1
vote
0answers
164 views

Positive integrand giving negative answer

I'm integrating a positive function f(t) times sin(t) from 0 to pi/5 and get -38. Actually f is slightly negative for a short time (smallest value ~ -0.0005), but far from enough to explain this. ...
8
votes
2answers
129 views

Alternative to NotebookLocate or NotebookFind

In Mathematica 8.0 and older, there are two ways to select cells based on cell tags. NotebookLocate["CellTag"]; NotebookGet[EvaluationNotebook[]] and ...
6
votes
3answers
390 views

ListPolarPlot not showing full plot range even with PlotRange -> All

I have a list of data dpdOt (given below) with associated angular coordinates thetaplot, which when plotted using ...
2
votes
0answers
77 views

Det and MatrixRank freezes on SparseArray with nonzero default value

Why does the following simple code never come to an end (at least with version 8) n = 5; mat = SparseArray[{i_, i_} -> 1, {n, n}, -1/(n - 1)]; MatrixRank[mat] ...
5
votes
3answers
241 views
3
votes
1answer
151 views

Exporting large png results in completely black image

When trying to export an Image as PNG the resulting file is a completely black image. This happens only for certain images I have not been able to determine exactly ...
2
votes
2answers
370 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 ...
1
vote
1answer
127 views

Techniques Modifying Cells M8.0

What techniques are there for modifying/organizing/selecting/deleting cells? I understand Mathematica 9.0 has a Cells function but what techniques exist in Mathematica 8.0? The documentation for ...
2
votes
0answers
74 views

Must Run Cell Twice to Display Values

What is going on here? Print[InputField[]] CellPrint[TextCell["my\"text", "Text", ShowStringCharacters -> True]] If I insert the above code into a blank ...
13
votes
2answers
403 views

Problem importing URL with Greek characters

I'm considering buying a car. So I thought why not make a web-crawler in Mathematica to pile-up car data? Brilliant idea. Then I found this Greek website, gocar.gr, which just so happens to have all ...
19
votes
3answers
777 views

Clipboard with transparency

After reading this question I have determined that Rasterize[Graphics[Circle[]], "Image", Background -> None] allows you to do ...
0
votes
0answers
151 views

Behavior of copy and paste with different image formats

Ok, let's say I create a 1x1 pixel image. i = Image[{{0}}, "Byte"]; Now I Export["image.png", i] the image and import it into ...
2
votes
0answers
226 views

Derivatives of list elements

Could someone explain the odd behavior of the Derivative function when drawing arguments from lists? We have, ...
7
votes
2answers
300 views

Problem with NIntegrate when WorkingPrecision is specified

I am trying to evaluate this integral numerically: $$ \int_0^{\infty } m \exp (-m) J_1(m){}^2 \, dm $$ Everything is OK when only the integration method is specified: ...
2
votes
1answer
88 views

The proper way to write the input for a certain series

Mathematica tells the series below doesn't converge. I think it converges. What would the proper way to write things be as an input? ...
3
votes
2answers
380 views

Animating the Lorenz Equations

I am trying to use the Animate command to vary a parameter of the Lorenz Equations in 3-D phase space and I'm not having much luck. The equations are: ...
4
votes
1answer
262 views

Plot an undefined function

When I plotted an undefined function, Mathematica also spends considerable time to process it. It returns a blank figure necessarily. What confuses me is where the ...
1
vote
1answer
705 views

ErrorListPlot Legend with Markers

I'm trying for some days now to integrate markers in my legend. I have a ErrorListPlot with markers and a legend but difficulties to realize the markers in the legend as well. Thanks a lot for your ...
5
votes
0answers
100 views

Expansion of $E(i c \mid m)$ at $c\to\infty$?

Currently, I am using a Windows machine with Mathematica 8. I noticed a difference in a series expansion of the function EllipticE[] in comparison with a result ...
3
votes
1answer
110 views

Reading RData files without RLink

I am using Mathematica 8. I would like to read some RData files which I have received. I do not currently have an installation of R on the machine with Mathematica.
2
votes
1answer
161 views

MatrixPlot for DFT in black and white with ContourLabel

I have several data files such as this: ...
1
vote
0answers
253 views

Can not launch Mathematica 8 on Lubuntu [closed]

I am trying to launch Wolfram Mathematica 8 Home Edition. The installation itself occurred without a hitch. Note: "..." indicates my machine name, username, etc. Linux Version ...$ uname -a Linux ...
3
votes
1answer
188 views

Sum of positive terms gives negative answer

Mathematica evaluates Sum[((n - y - 1)*(n - y)^2*n^y)/y!, {y, 0, n - 2}] as -2 e^n n. This should not be a negative value. ...
4
votes
0answers
140 views

Version 8.0 integrates but Version 9.0.1 doesn't

I am trying to run the following integral in version 9.0, but it fails: ...
4
votes
1answer
323 views

A Graphics`Mesh`ConvexHull[] peculiarity

I have been unable to explain the behavior of Graphics`Mesh`ConvexHull[] on the following (highly simplified) example: ...
9
votes
0answers
1k views

Download Mathematica 8 Trial

My school uses mathematica 8 on several of their computers. I would like to download a trail version for my home computer. I would like the same version. Is there a place I can download mathematica ...
8
votes
2answers
464 views

Problem with ContourPlot3D

The following line works fine: ...
2
votes
0answers
426 views

mathematica startup time

I have Mathematica 7 and 8 installed on my laptop. Mathematica 7 starts quite fast, but Mathematica 8 is extremely slow to start. In the Option Inspector I canceled the "welcome screen" option at ...
5
votes
1answer
1k views

Problem with plotting eigenvalues

I want to plot the eigenvalues of a matrix which is dependant on a parameter (well, actually I want to plot a tight-binding electronic band structure). The dimension of the hamitonian matrix is ...
4
votes
1answer
376 views

Using DistributionFitTest on custom distributions in Mathematica 8

I originally posted this question on Stack Overflow, but I didn't get any answers, and I'm hoping to have better luck here. I'm trying to compute the goodness-of-fit of a bi-modal Gaussian ...