How to change the name of variables using a loop?
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I need to do the same matrix calculations repeatedly, but I want to rename the variable within the loop. e.g. I need matrices R_1 R_2 R_3 R_4. I want to be able to set matrix R_1=( calcs for ii=1); R_2=( calcs for ii=2), etc. I know I can convert ii to a string using num2str(ii), but how do I concatenate that to R? R_ii=(calcs for ii)?
Am I going to need some sort of cell array to do that? I'm trying to avoid cells.
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Iain
le 25 Sep 2014
Cells ARE the way to go.
Structures would be preferable to what you want
mystruct.description = 'blah blah';
mystruct = setfield(mystruct,['R_' num2str(ii) ], values);
However, sometimes, in rare cases, not using a monolithic storage solution is the only practical option. This option should be avoided whenever possible.
eval(['R_' num2str(ii) ' = values;']);
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Titus Edelhofer
le 25 Sep 2014
Hi Kathleen,
why do you want to avoid cells? They are a perfect fit - and much cleaner/safer/easier to use than any clumsy and error prone variable creation based on names and indices ...?
Titus
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