matlab求矩阵、向量的模

2019-04-13 11:42发布

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求矩阵的模： function count = juZhenDeMo(a,b) [r,c] = size(a);%求a的行列 [r1,c1] = size(b);%求b的行列 count = 0; for j=1:r-r1+1%所求的行数中取 for i=1:c-c1+1%所有的列数中取 d = a(j:j+r1-1,i:i+c1-1); e = double(d==b); if(sum(e(:))==r1*c1) count = count + 1; end end end
clc;
clear;
a = eye(6)
b = [1 0;0 1]
disp('a矩阵中b的模的个数是：');
count = juZhenDeMo(a,b)

end
求向量的模： function count = sta_submatrix1(a,b) count = 0; for i = 1:length(a)-length(b)+1 c = a(i:i+length(b)-1); e = double(c==b); if(sum(e) == length(b)) count = count + 1; end end end clc; clear; a = [0 0 0 1 0 0 1  0 0 1 0 0 1 0 0] b = [0 0 ] disp('ｂ在ａ中的模的个数是：') count = sta_submatrix1(a,b)


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