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Q: solving ax=0 with regularization?
There is a package called <http://www.mathworks.com/matlabcentral/fileexchange/52 regtools> in the File Exchange that might help...

alrededor de 14 años hace | 0

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Amend code to save file in a different format
You could use this code: fid = fopen('example.txt','w'); fprintf(fid,'%i %i %i %i %i %i %i\n',D); fclose(fid); If you ...

alrededor de 14 años hace | 0

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Hole filling by interpolation method?
If your data are irregularly spaced, you could try using <http://www.mathworks.com/help/techdoc/ref/triscatteredinterpclass.html...

alrededor de 14 años hace | 0

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Sym
Use <http://www.mathworks.com/help/toolbox/symbolic/vpa.html vpa>, e.g., c = vpa(a*b,4)

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Colorbar in an other figure...
The *really* simple way to do it is to just grab the bar with the mouse and move it. Do you want to automate this? If you do ...

alrededor de 14 años hace | 0

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Display Text Without Formatting
You can replace all the occurrences of |href| by |HREF| for display: str = {'<a href="test">TEST1</a>';'<a href="test">TEST...

alrededor de 14 años hace | 0

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text to annotate figure
Sounds like you might want to use <http://www.mathworks.com/help/techdoc/ref/legend.html legend>.

alrededor de 14 años hace | 0

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Get the "handle number" of a standard handle class
Setappdata seems best because of the limitations on using the UserData property (see <http://www.mathworks.com/support/tech-note...

alrededor de 14 años hace | 1

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visualization of 3D matrix: how do I swap the y and z axis?
You can use <http://www.mathworks.com/help/techdoc/ref/permute.html permute> to rearrange the order of the dimensions and <http:...

alrededor de 14 años hace | 2

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Matlab Array Division
It's just d2 = 200./d1; Note the dot. This is element-by-element division (see <http://www.mathworks.com/help/techdoc/re...

alrededor de 14 años hace | 1

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How to remove this error Improper assignment with rectangular empty matrix.
I can't reproduce your exact error message, but it is probably occurring because either |va| or |vb| are empty (there weren't an...

alrededor de 14 años hace | 0

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nicer outcome from fprintf
There are two approaches you could use. One is just to specify the width of each field: fprintf(fid{i},'%12s\t%12s\t%9.6f\n...

alrededor de 14 años hace | 0

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what is the normalizings in generalized eigvalues in matlab
The documentation for |eig| says that the vectors are not normalized. *EDIT*: <http://www.mathworks.com/help/techdoc/ref/qz.h...

alrededor de 14 años hace | 0

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wrapping
You could save the changes when you unwrap and then reverse them: pw = unwrap(pold); pdiff = pw-pold; ... % change pw her...

alrededor de 14 años hace | 1

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What are the rules for naming script files?
Check out <http://www.mathworks.com/help/techdoc/matlab_prog/f10-60729.html Variables> and the documentation for <http://www.mat...

alrededor de 14 años hace | 0

alrededor de 14 años hace | 0

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For loop of symbolic variables extracting symbolic coefficients
See <http://www.mathworks.com/matlabcentral/answers/242-how-to-generate-symbolic-variables-dynamically-at-run-time How to genera...

alrededor de 14 años hace | 0

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matrix values as text on plot
You could do all the text commands in a loop, for example: A = randn(20); x = linspace(0,1,20); y = x; pcolor(x,y,A); col...

alrededor de 14 años hace | 0

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Why your question is NOT "urgent" or an "emergency"!
Just for curiosity, has anyone seen a genuinely urgent question?

alrededor de 14 años hace | 2

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program that calls itself
See <http://www.matrixlab-examples.com/recursion.html Recursion - a conceptual example>.

alrededor de 14 años hace | 0

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symprod error
Are you sure you have the Symbolic Toolbox? Try typing |ver| and see if it is one of the ones listed. If it is listed, maybe ...

alrededor de 14 años hace | 0

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font problem ??
The default interpreter is actually TeX, and maybe that is causing your problem. Try this: h2=ylabel('$k^2/(2 \pi)$') set(...

alrededor de 14 años hace | 0

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Help with fsolve in for loop!
The source of the error is probably your references to |x(1)| and |x(2)|, because you have defined |x| as a scalar in |syms x|. ...

alrededor de 14 años hace | 0

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Semiautomatic complex-step differentiation of real-valued functions
There is another implementation in <http://www.mathworks.com/matlabcentral/fileexchange/11870-numerical-derivative-of-analytic-f...

alrededor de 14 años hace | 1

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LEGEND TITLE
There is a lot of information buried in layers of handle graphics. You can do the following: hleg = legend('820mm','750mm',...

alrededor de 14 años hace | 4

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problem with command solve inside a function.
When I try running this function function [a,tt] = runtest(ka,landa) [a,tt] = test(ka,landa); I get the same answer for...

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alrededor de 14 años hace | 0

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contourf with no isoline
Here is an example of how to do it: [C,h] = contourf(peaks(20),10); set(h,'LineColor','none')

alrededor de 14 años hace | 8

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Integration problem
You can calculate integrals with limits of |-Inf| or |Inf| using <http://www.mathworks.com/help/techdoc/ref/quadgk.html quadgk>....

alrededor de 14 años hace | 0

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rearranging the data in separate columns when difference of 10 is found in vectors
You could do this using a cell array: % preallocate array n = ceil(max(x)/10); y = cell(n,1); % populate it for ...

alrededor de 14 años hace | 0