How to sum a specific number of observations through an entire dataset ?

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TRAILOKYA
TRAILOKYA le 17 Mai 2014
Réponse apportée : Mischa Kim le 17 Mai 2014
Sir i have a dataset (say m(750,1)). I have to sum 75 observations from beginning . Means i need sum of 1-75, 76-150, 151-225 ....676-750 observations so that i get the result as m_result(10,1). Would you please help me?

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Mischa Kim
Mischa Kim le 17 Mai 2014
TRAILOKYA, if it is a numeric array use reshape
m_result = sum(reshape(m,75,[]));

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