MATLAB: Square of a vector

vector square

I have to calculate a square of vector which should results a scalar value. i.e) A=(B-C)^2 B and C are vectors and I need A as a scalar. How can I implement this in matlab??

Best Answer

My guess is you need an inner product, i.e. A = |B-C|^2, you can do it many different ways, one way is
B = ones(3,1);
C = ones(3,1);
A = (B-C)'*(B-C)
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