MATLAB: Matrix operation

matrix

sir how to remove a specific element in an row or column matrix that is in a matrix a=[1 3 3 4] how to remove 4Th element so that i need to have answer a=[1 3 3]

Best Answer

a = a(1:3);  %glass half full

a(4) = []; %glass half empty

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MATLAB: How to check and update one matrix by comparing the element of another matrix

Use ismember with the 'rows' option:

A = [1 2 3; 1 2 4; 1 2 5; 1 3 4; 1 3 5; 1 4 5; 2 3 4; 2 3 5; 2 4 5; 3 4 5];
B = [1 2; 2 3; 4 5]; %reduced second matrix so some rows of A are missing
isrowpresent = ismember(A(:, [2 3]), B, 'rows');
A(~isrowpresent, :) = [] %delete rows not present

MATLAB: Matrix operation

[m k] = size(A);
i1 = (1:m)';
r = 1:k;
Mi = [2; 4; 1];
Mr = 1;
out1 = bsxfun(@rdivide,i1*r.*q.^2,Mi)*Mr;
out = sum(out1(:)) - 1/log(n);

ADD

out2 = max(out1)  - 1/log(n);

Best Answer

Related Solutions

MATLAB: How to check and update one matrix by comparing the element of another matrix

MATLAB: Matrix operation

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