how to display a value in first column the second column number of times?
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johnson saldanha
on 10 Dec 2018
Commented: johnson saldanha
on 10 Dec 2018
suppose i have a column vector x=[1 2 3 4]; and y=[2 3 3.5 4]
i want the output as xy=[1 1 2 2 2 3 3 3 3 4 4 4 4];
the number 3.5 can be rounded off to a whole number. here ive taken it as 4.
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Walter Roberson
on 10 Dec 2018
Edited: Walter Roberson
on 10 Dec 2018
repelem(x, round(y))
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Walter Roberson
on 10 Dec 2018
cell2mat(arrayfun(@(v, n) v(ones(n,1)), x, round(y), 'uniform', 0)) %assumes inputs are column vectors
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