how to create an array from a given array with the following criteria.
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Say given array is [1 2 3]. I want to create an array with the elements [1 2 3 4 5 2 3 4 5 6 3 4 5 6 7],
In others terms I want to create an array [1:1+4 2:2+4 3:3+4]
I do not want to use for loops as that slows my code considerably.
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Ameer Hamza
on 12 Jun 2020
An alternative solution using automatic array expansion
a = 1:3;
b = reshape(a + (0:4)', [], 1);
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