Nested loops for double summation

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J.Cam
J.Cam il 14 Mar 2020
Modificato: J.Cam il 20 Mar 2020

Risposte (1)

Akira Agata
Akira Agata il 15 Mar 2020
How about the following?
% Example of 3-by-3 array n
n = rand(3);
% Calculate R, C, and T
R = sum(n,2);
C = sum(n);
T = sum(R);
% Calculate \chi^2
CR = (C'*R')';
S = ((n - CR/T).^2)./(CR/T);
chi2 = sum(S(:));

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