How to add every nth element of an array to the nth+1 element?
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I wonder if there is a short expression for the task above. For example if I had an array like this
a = [1, 2, 3, 3, 4, 5, 5, 6, 7, 7, 8, 9]
How can I add, let's say every 3rd element to every 4th element to get an array like this ?
a = [1, 2, 3+3, 4, 5+5, 6, 7+7, 8, 9]
I can do this with some ugle lines of code, but what if you got a more elegant way?
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Voss
am 4 Jun. 2024
a = [1, 2, 3, 3, 4, 5, 5, 6, 7, 7, 8, 9];
a(3:3:end-1) = a(3:3:end-1)+a(4:3:end);
a(4:3:end) = []
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