Outputting to string

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Sam Falzone
Sam Falzone il 27 Gen 2011
I want to do this, essentially:
for i = 1:3
['variable_' int2str(i)] = function(i);
end
How do I tell MATLAB to create a series of variables as outputs? It isn't good enough to output to variable(i) as the output is a series of matrices and vectors, not a single value.

Risposta accettata

Kenneth Eaton
Kenneth Eaton il 27 Gen 2011
You can do this using the function EVAL:
for i = 1:3
eval(['var_' int2str(i) ' = fcn(i);']);
end
But in general an easier approach is to store your outputs in a cell array instead of a bunch of variables:
outputArray = cell(1,3);
for i = 1:3
outputArray{i} = fcn(i);
end
This makes it much easier to access the data later since you can just index into the cell array to get its contents, whereas for the first approach you would likely have to reconstruct a variable name and use EVAL again later to access the data stored in a particular variable.

Più risposte (1)

Oleg Komarov
Oleg Komarov il 27 Gen 2011
Read this FAQ 4.6
Oleg

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