How do I change variable in a for loop?

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Larissa Perez 2016-10-7

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https://ww2.mathworks.cn/matlabcentral/answers/306158-how-do-i-change-variable-in-a-for-loop

评论： Star Strider 2016-10-7

Hi! I am new to Matlab, so struggling a bit.

I'd like to know how can I change the variable in a for loop, for each time it runs. That's what I am doing:

measurementnames = {'measurement1','measurement2','measurement3','measurement4','measurement5','measurement6','measurement7','measurement8','measurement9','measurement10','measurement11'};

for i = 1:numel(measurementnames) measureloop = measurementnames{i} ;

plot(measureloop(:,2),measureloop(:,11)) set(gca,'YDir','reverse') hold on

end

I have done something similar before and it worked, so I don't really know what's wrong now. Thank you so much!

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Answer 1

Star Strider 2016-10-7

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https://ww2.mathworks.cn/matlabcentral/answers/306158-how-do-i-change-variable-in-a-for-loop#answer_237860

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Using the eval function is generally not considered good programming practice (it can usually be avoided) but sometimes it may be necessary. I can’t run your code, so you’ll have to see if this works:

measureloop = eval(measurementnames{i});