How to do summation columnwise and create the structure array of summed values.

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AS
AS 2022년 6월 6일
답변: KSSV 2022년 6월 6일
I have matrix with dimension 1125 * 1128. I want to do summation of every 141 columns and so on. Then store the output in data structure array. Like that there will 8 suumed out in structure array.

답변 (1개)

KSSV
KSSV 2022년 6월 6일
You can achieve it by using reshape and sum.
First, reshape your matrix into a 3D matrix and then apply/ do what you want.
R = 1125; % Number of rows
C = 1128; % Number of columns
newC = 141; % New number of rows
A = randi(10, [R C]); % 1125x1128 array of random integers
B = reshape(A, [R newC C/newC]);
In the above, you can do what you want in the matrix B.

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