Questions tagged [version-7]
Version-specific issues for Mathematica 7 (other than bugs).
77
questions
0
votes
0answers
56 views
how to solve the integral diffenertial equation with convolution? [closed]
several days ago i have put up the question as this and links are as this
enter link description here
and i have simplify the question and
questions are as this
my question is as this and i want ...
1
vote
0answers
129 views
How to solve ode with convolution?
my question is as this and i want to get the solution of this ode x(t)
$
({M_{33}}{\rm{ + }}{{\rm{m}}_{33}})x''(t) + \int\limits_{ - \infty }^t {x'(tau){K_{33}}(t -...
0
votes
1answer
61 views
How to get the analytical solution or numerical solution of the double integral
i just want to calculate this double integral but can't get the analytical solution,so it there a way to get the analytical solution or numerical solution of the double integral?
codes are as this
<...
0
votes
1answer
43 views
mathematica stop working after running some .nb file and close or save the file
Bug fixed in 8.0.4 for Chinese edition only, generally fixed in or before 11.3.
I'm using version 7 on Windows.
After I running one .nb file and just want to ...
1
vote
1answer
89 views
Repeated convergence test failure and why?
i have assigned all the values and the ODE assigned is as this
...
4
votes
3answers
193 views
NDSolve will try solving the system as differential-algebraic equations but it didn't get the solution
Please help me deal with this kind of question about ODEs.
My codes are as follows
...
0
votes
0answers
83 views
How can I introduce vertex labels into a graph
How can I introduce vertex labels into a graph in Mathematica 7 with Combinatorica?
I create graphs with Graph or GraphPlot, ...
7
votes
2answers
876 views
Graphene bilayer rotation
How can we design the rotational picture of bilayer graphene using Mathematica 7.0 like in the figure? This gives Moire pattern
1
vote
0answers
24 views
Is it possible to create CDF document with Mathematica 7?
As far as I can understand from the exemplary videos here and here the minimal version of Mathematica that has the inbuilt possibility for creating CDF documents is Mathematica 8. But is there some a ...
11
votes
4answers
289 views
How to plot $x^2$ over $-5<x<-1\cup1<x<5$
Is it possible to plot a function over a interval with a gap in the middle; e.g., $f(x)=x^2$ over $-5<x<-1\cup1<x<5$?
I am using Mathematica 7 and most of the options in the answers don't ...
4
votes
1answer
117 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
220 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 value,...
0
votes
0answers
92 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 ...
1
vote
1answer
133 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
377 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
767 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
122 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
282 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
120 views
Multiple stopping constraints in NDSolve
I need to numerically solve several differential equations, with several constraints, like this :
...
0
votes
0answers
116 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
120 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
184 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
206 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 ...
2
votes
2answers
1k 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 ...
1
vote
1answer
131 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 :
...
10
votes
1answer
837 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 ...
2
votes
1answer
216 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, ...
2
votes
3answers
1k 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
312 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
276 views
2
votes
1answer
1k 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:
...
4
votes
1answer
411 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 use ...
1
vote
1answer
533 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
457 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
82 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 ...
2
votes
1answer
430 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 ...
3
votes
3answers
102 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
121 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
55 views
3
votes
3answers
746 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
141 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
82 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
707 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
1k 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
290 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 ...
2
votes
1answer
4k 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] ...
6
votes
1answer
983 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
88 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 :
Derivative[x^2, x]
...
3
votes
1answer
392 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
115 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" ...
