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explaining this code for matrix
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anybody explain me this code
if true
A = randi(15,3)
B=A;
B(tril(B)>0)=nan;
C=B(~isnan(B));
[a,b] = unique(C,'first');
[~,ii] = sort(b);
c = histc(C,a);
out0 = [a(ii),c(ii)];
out = out0(find(out0(:,2)>1,1,'first'),1);
if isempty(out), disp('no duplicates'); end
end
end
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Answers (1)
Bruno Pop-Stefanov
on 20 Jan 2014
Edited: Bruno Pop-Stefanov
on 20 Jan 2014
I suggest you set a breakpoint at the beginning of the code to use the debugger. Using the debugger you can execute each line at a time and observe the values of each variable.
To set a breakpoint, click on the left next to a line number, and a red dot will appear. Hit F5 to run the code, and then press F10 to step from one line to another. In the Workspace window you can see the value of each variable during execution. Look up the functions you don't know in the MATLAB documentation or execute
help <function>
in the Command Window. For example, for help on the tril function, execute:
help tril
Good luck!
2 Comments
Bruno Pop-Stefanov
on 20 Jan 2014
Execute workspace in the Command Window. You can also type the name of a variable in the Command Window and its content will be displayed.
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