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- CSDN专家-Matlab_Fans 2021-11-17 20:23关注
function Test A = [1 2 3 4;5 6 7 8;9 10 11 12;13 14 15 16]; B1 = myfunciton(A) B2 = triu(A) B1 = myfunciton(A,2) B2 = triu(A) function B = myfunciton(A,k) if nargin == 1 k = 0; end B = A; for ii = 1:length(A) for jj = 1:length(A) if jj - ii < k B(ii,jj) = 0; end end end
结果:
B1 = 1 2 3 4 0 6 7 8 0 0 11 12 0 0 0 16 B2 = 1 2 3 4 0 6 7 8 0 0 11 12 0 0 0 16 B1 = 0 0 3 4 0 0 0 8 0 0 0 0 0 0 0 0 B2 = 0 0 3 4 0 0 0 8 0 0 0 0 0 0 0 0
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