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How to run a for-loop with different dimesions?

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Wan-Yi Chiu
Wan-Yi Chiu 2020-4-22
评论： Wan-Yi Chiu 2020-4-22
Let A be a 20 by 1 array. I can separately compute
B_1=mean(A(1:6, 1:1)),
B_2=mean(A(7:15, 1:1)), and
B_3=mean(A(16:20, 1:1)).
How can I program this job using the loop command with respect to different dimensions?

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Walter Roberson
Walter Roberson 2020-4-22
starts = [1 7 16];
stops = [6, 15, 20];
n = length(starts);
B = zeros(1,n);
for K = 1 : n
B(K) = mean(A(starts(K):stops(K), 1));
end

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