matrix operation

I have an matrix
A=[1 0 0 0 0 0 1;0 1 1 0 1 1 0 ;0 0 0 1 0 0 0 ] want to perform matrix operation using the formula
(summation i=1 to s summation r=1 to 7 q^2ir/Mi*Mr)-1/log(n)
s=3
Mi for ist row is 2,second row is 4,third row is 1
Mr is 1 for all cases
n=7

 采纳的回答

[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);

3 个评论

FIR
FIR 2012-1-11
thanks andrei is it possible to calculate column wise and take max value .so that i will get seven values each for one column
see ADD
FIR
FIR 2012-1-11
thanks andrei,sorry a small correction .i have to run for loop for every column so that for the first column the max value must be generated ,for second column the max value ans so on

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