How do I define more than one matrix as i= on for loop?

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Franchesca 2014-5-19

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关闭： MATLAB Answer Bot 2021-8-20

I have these 3 loops:

 for i = jumph
    SJvsSJWA = ttest2(i(ref(:,3)),i(ref(:,1)));% jump height
    CJvsCJWA = ttest2(i(ref(:,4)),i(ref(:,2)));
    SJWAvsCJWA = ttest2(i(ref(:,1)),i(ref(:,2)));
    SJvsCJ = ttest2(i(ref(:,3)),i(ref(:,4)));
 end
 for i = avp
    SJvsSJWA = ttest2(i(ref(:,3)),i(ref(:,1)));% average power
    CJvsCJWA = ttest2(i(ref(:,4)),i(ref(:,2)));
    SJWAvsCJWA = ttest2(i(ref(:,1)),i(ref(:,2)));
    SJvsCJ = ttest2(i(ref(:,3)),i(ref(:,4)));
 end
 for i = peakp
    SJvsSJWA = ttest2(i(ref(:,3)),i(ref(:,1)));% peak power
    CJvsCJWA = ttest2(i(ref(:,4)),i(ref(:,2)));
    SJWAvsCJWA = ttest2(i(ref(:,1)),i(ref(:,2)));
    SJvsCJ = ttest2(i(ref(:,3)),i(ref(:,4)));
 end

What I want to do is combine the 3 for loops so that for example:

i = jumph:avp:peakp

but I am aware this wouldn't work, so need a way to do this.

The three variables jumph, avp and peakp are all 54 x 1 matrices.

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Franchesca 2014-5-19

Yes the p value was the next thing I was going to tackle. And thank you I have now changed the varaible names in the second 2 loops to save all the values. Is there any way of combining the three loops?

Star Strider 2014-5-19

Is ‘i’ a loop counter (vector) or is it something else? (This may have a context I’m not familiar with.) I don’t know how your data are organised.

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Answer 1

Matt J 2014-5-19

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One way,

 for i=1:54
    m=jumph(i);
    n=avp(i);
    p=peakp(i);
   %do stuff with m,n,p
 end

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Franchesca 2014-5-19

I want to process the whole of column jumph on the 4 lines then the whole of avp on the 4 lines then the whole of peakp on the 4 lines. I'm not sure how this would do this, sorry.