Version-specific issues for Mathematica 7 (other than bugs).

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4
votes
1answer
91 views

Small output glitch with Histogram

I'm experiencing a small formating glitch with an histogram. I want to define an histogram with a square frame, with precise vertical ticks from 0 to 10. But I'm still getting a larger range, and I ...
1
vote
1answer
151 views

Problem with convergence of limiting value in Manipulate

I created a nice Manipulate box of the magnetic field outside and inside a spherical shell placed in an homogeneous magnetic field. The code is working great, but it has a problem at a limiting ...
0
votes
0answers
40 views

Is it possible to make a standalone OS X app from manipulate?

I'm wondering if it's possible to make a standalone app from a manipulate box. I mean a small app that do exactly what the manipulate box is doing in Mathematica, but without Mathematica. In other ...
0
votes
1answer
53 views

Checkbox in manipulate not properly working

This question is related to another question of mine : How can I add a checkbox to a Manipulate expression?, but I'm still unable to make the checkbox to work properly. Here's a MWE code, from my ...
3
votes
1answer
60 views

How to align text to left and output to right, in manipulate?

I need to show a layer of information on a 3D graphics, inside a manipulate box. Currently, all the code is working great, except that the text should be aligned to the left, while the output numbers ...
1
vote
2answers
80 views

How to add text with output on a 3D manipulate

I need to add a string of text with some output data at the bottom-center of a manipulate output. The manipulate output itself is 3D. Here's a MWE to work with : ...
2
votes
2answers
58 views

How to mix symbols and text for labels in manipulate? [closed]

I'm creating a big manipulate box with several sliders, and each slider must have a small explication text (units, for example) after a mathematical symbol. As a simple example, here's the code I'm ...
0
votes
0answers
93 views

Slow and laggy animation of an electromagnetic wave

I made a manipulate code of an electromagnetic plane wave which works relatively well, but is very slow and laggy for what it does (showing just a bunch of rotating or oscillating arrows). What is ...
0
votes
1answer
55 views

Multiple stopping constraints in NDSolve

I need to numerically solve several differential equations, with several constraints, like this : ...
0
votes
0answers
63 views

How to define an exclusion zone for NDSolve

I need to numerically integrate a differential equation and define two exclusion zones to stop the integration. The Mathematica code looks like this : ...
1
vote
2answers
71 views

Manipulate slider freeze, and empty value in box

Here's a MWE code to show two problems I'm experiencing with the sliders and their value box, under Manipulate : ...
0
votes
1answer
65 views

NumberForm pesky warning from Manipulate

I'm using the NumberForm command inside a Manipulate environment, and in some special cases Mathematica gives a pesky and mostly useless warning message : NumberForm::sigz: In addition to the ...
1
vote
1answer
116 views

Out of range red glow on inter-dependant sliders in manipulate

In manipulate, I need to define two sliders : one basic slider, and a second one for which the end value depends on the current value selected on the first slider. How can I achieve this in ...
1
vote
2answers
97 views

How can I add a checkbox to a Manipulate expression?

I'm looking for a simple example about how to add a simple On-Off switch in a manipulate function. More specifically, I defined a curve with two parameters. One is a continuous parameter that is ...
0
votes
1answer
79 views

How to colorize curves intersection in a manipulate function

I need to show the intersection area of two curves, using the manipulate function in Mathematica. Here's a fully working example, and a preview below it : ...
8
votes
1answer
280 views

How to add a fading trail effect in Animate?

I would like to add a smooth fading effect to the end of a curve, while it is animated. Here's a minimal working example which shows a particle moving on a circle (the circle is drawn while the ...
1
vote
1answer
79 views

Random phases at each run in a wave superposition [closed]

I need to define a function which generates a random real number between 0 and $2\pi$, as a random phase constant for a wave superposition. The output should be different each time I re-run the code, ...
1
vote
3answers
345 views

Random non-overlapping disks in a square

I've found a nice code snippet by @belisarius from this question, that I'll reproduce here for reference: ...
2
votes
1answer
138 views

Alt+Gr issue with Mathematica 7 on linux

I have the same issue as described in https://matteochinazzi.wordpress.com/2010/04/12/mathematica-alt-gr-issue-under-linux/ So basically whenever I use AltGr to write [ or ] in Mathematica, it ...
0
votes
0answers
251 views

Distance between ticks and axes [duplicate]

I've created a plot using the following code: ...
2
votes
1answer
462 views

Place legend without border above the plot

I use Mathematica 7.0 and as far as I know, there is not method PlotLegends, only PlotLegend. I want to set my legend - without background, shadow and frame - above my plot, as in the example belowe: ...
3
votes
1answer
197 views

Plot: How set markers in plot in front of axes

I draw a plot using ListPlot. But I noticed that PlotMarkers are 'covered' by the axes; see example below: I was trying to ...
1
vote
1answer
184 views

Use Compile to speed up evaluation

I have read, that using Compile command can speed up evaluations in mathematica. I have a mathematical expression, which I evaluate using following command: ...
1
vote
2answers
106 views

How to fix the order in which text appears in an axis label (V7) [duplicate]

One of the AxesLabel is "$:\text{log}|\Phi8b(u)|\color{Red}{\text{Red}}$". Question: How to make it like: "$\color{Red}{\text{Red}}:\text{log}|\Phi8b(u)|$"?. My Mathematica commads: ...
2
votes
1answer
70 views

Error with comments inside and expression

I found this strange parsing error with comments inside of an expression in Version 7. And example is {{1, x}, {1, y} (* {1, z (= 5+6)} *)}; It occurs depending ...
1
vote
1answer
170 views

Warning and Errors during Compile

I defined a compiled function cf = Compile[{{x, _Integer}, {n, _Integer}}, z = (n^x); Binomial[n, #]* StirlingS2[x, #] *(#!)/z & /@ Range[x]]; and I ...
2
votes
3answers
89 views

Reduction of repetitive calculations in Table

If I generate two tables inside a function which are function[n_, x_, y_]:=( table1 = Table[i* x/n^x, {i,1,n}]; table2 = Table[i* y/n^y, {i,1,n}]; ) where ...
2
votes
0answers
86 views

RDPStruct.exe: what is it and why are there so many?

I have an old (v7) webMathematica system running and it seems to generate a lot of RDPStruct.exe processes. First, what does this "Converter" do? GIF.exe and JPEG.exe are obvious, but "RDPStruct" ...
0
votes
0answers
38 views

Number precision in a list [duplicate]

I have list with elements: ...
3
votes
3answers
421 views

Colorize a 3D distribution of points according to density

Suppose we have some random 3D distribution of points. I'll use the spherical ball defined below as an example and a starting point for the discussion here : ...
3
votes
1answer
108 views

Bug with LinearProgramming on Integers?

With Mathematica 7: LinearProgramming[{1, 1}, {{0, 0}, {1, 1}}, {1, 1}, Automatic, Integers] gives wrong result {0,1}. But ...
0
votes
1answer
67 views

Specifying Table/grid dimensions in version 7

The result of my calculations is quite large list (nested list to be precise). I would like to improve its visualization, to make it more legible, by setting the number of columns to let's say 5. ...
7
votes
3answers
592 views

How to randomly erode a 3D distribution of points with Mma 7.0?

Suppose we have a 3D distribution of points, like the spherical ball example below : ...
-4
votes
1answer
672 views

How to generate this fractal-like 3D distribution of points in Mma 7.0?

I would like to produce some 3D distributions of points using Mathematica 7.0, that look like the picture below : How could I do that ? What are your suggestions ? What Mma 7 codes could do a ...
4
votes
1answer
202 views

Exported animated gif with matrices will not work?

I want to export a list of matrices as a gif so that they will appear one after another 2 seconds apart. I've tried the following but when I open it up it only does the first two matrices and I have ...
1
vote
1answer
1k views

ListPlot doesn't shows all points [closed]

I have a table: p1 = Table[(Binomial[2000, k]*StirlingS2[1386, k]*k!)/(2000^1386), {k, 1, 1386, 1}]; I used ListPlot[p1] ...
5
votes
1answer
404 views

Sorting an Array with words in different languages

Array consists of words of different languages. I need to sort elements in reverse alphabetical order and make a list of elements, which consist of english letters. Example of array which consist of ...
0
votes
1answer
47 views

Showing result of derivative and other functions [closed]

I have a problem with my Mathematica 7.0 When I write: Derivative[x^2, x] Mathematica returns as result : ...
2
votes
1answer
265 views

ListPlot - plotting values with different range

I have three tables: L, S and U. In first table I have values from range (0,1), in second ...
0
votes
1answer
106 views

Missing some packages?

I am trying to use a program written by someone else. When I run the program, I am supposed to get a number as a result, however, what I got is some complicated result with "InterpolatingFunction" ...
4
votes
0answers
86 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
1answer
107 views

Is it possible to enable syntax highlighting for \[Function]?

This is a bit of a long shot but I am wondering if it is possible to enable syntax highlighting in a function defined with \[Function] without resorting to anything ...
4
votes
1answer
355 views

Sporadic bug in Mathematica 7.01.0 MatrixPower and/or Eigensystem functions on floating-point symmetric matrices with repeated eigenvalues

Note: From the comments submitted below by other StackExchange users it appears that this apparent bug was fixed sometime after version 7.0.1. I asked a vague variant of this question a few days ago, ...
9
votes
2answers
3k views

Legends in combined Plot and ListPlot

I have a set of data ...
4
votes
1answer
1k views

How to take the derivative w.r.t. an arbitrary function?

EDIT: The answer posted by @Jens works for built-in functions only. However I'm starting to wonder if this is related to my Mathematica install somehow. I have version 7. Here is an example in the ...
13
votes
6answers
710 views

Sort+Union on a list

Probably this is too trivial question for this forum but for some reason I am not getting it on my Mathematica 7 so far. I have a list ...
13
votes
2answers
641 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 ...
2
votes
2answers
220 views

How can I style a TabView?

I have been trying to style a TabView like in the examples on the Wolfram CDF site, where they have custom sizes and backgrounds with images or gradients, but I am ...
-4
votes
1answer
111 views

Can I create a CDF from Mathematica 7?

I am almost sure I remember seeing an online tool on the Wolframs website for creating CDF's for Mathematica users with version 7. Am I right? And if so, where can I find it?
1
vote
2answers
166 views

Converting polygon to graph in V7

I've unsuccessfully tried many ways of converting polygon points into a graph using Mathematica 7, and I am frustrated. I looked at this post, but it doesn't work: ...