how to select corresponding values to a column

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I have a data set with x and y...like 100 each in a column...x is a number..y is a value of a paramter
for x i have selected specific values say i have selected 1,15,30,45,60,75,90,100
now i want matlab to select corresponding values of y that are to x...
i know its simple but am dealing with something complex..juts need to know the quick answer. Thanks

Accepted Answer

David Hill
David Hill on 15 Mar 2021
yourMatrix=[(1:100)',randi(100,100,1)];
y=yourMatrix([1,15,30,45,60,75,90,100],2);
  2 Comments
David Hill
David Hill on 16 Mar 2021
yourMatrix=[(1:100)',randi(100,100,1)];
y=yourMatrix(ismember(yourMatrix(:,1),[1,15,30,45,60,75,90,100]),2);

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