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Use specific value in a dataset array

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AHN
AHN 2016-9-19
评论： José-Luis 2016-9-20
I have imported a file from excel. I am now trying to do few calculations based on each value in the spreadsheet. For example, if x and y are two columns in the dataset, I want Matlab to choose the corresponding values of the other column. i.e if x=a, then choose corresponding y=P from the dataset as specified in the imported excel spreadsheet and perform calculations for z=1-y and I want it to do it for every value of x. Is there a specific way to do this? Thanks.
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AHN
AHN 2016-9-20
Thank you for the reply. I am new to Matlab, I will read about logical indexing and get back.Thanks.

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