Looping for set Indices only

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Ferd
Ferd 2012-6-11
Hi,
I have an arrays that is slightly off the my predicted values after calculations and would like to investigate those iterations. The two arrays are basically indices from the loop. I identified those itearations as an array. Now, I would like to use just those indices in another loop to calculate further.
LowRPMIndex = [16;31;46;60;75;90;105;119;130;144;145;146];
for y= 1:length(LowRPMIndex)
PositiveO2(y)= find(O2(:,LowRPMIndex)>0);
end
I would like the "y" to be the Index value value while it loops until the length of the LowRPMIndex.
Thanks
  2 个评论
Ryan
Ryan 2012-6-11
So you are trying to populate a vector Positive02 that is strictly the positive values of all rows and the LowRPMIndex columns of O2?

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bym
bym 2012-6-11
O2 = randi([-5,10],150); %Create sample data
subO2 =O2(:,LowRPMIndex); % pull out all rows of LowRPMIndex columns
PositiveO2 = subO2(subO2>0); % get positive values

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