I have an array of 1000 elements I need to do average of 100 elements so that my new array is of 10 elements...

I have an array of 1000 elements I need to do average of 100 elements so that my new array is of 10 elements...

Answer 1

[Guillaume]

reshape your array into 100 rows, take the mean across these 100 rows:

assert(mod(numel(yourarray), 100) == 0, 'number of elements is not a multiple of 100')
mean(reshape(yourarray, 100, []))