place array in a matrix

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monkey_matlab
monkey_matlab on 15 Oct 2016
Answered: Geoff Hayes on 15 Oct 2016
Hello, I have these points:
x1 = (1,0), x2 = (0.5,1), x3 = (0.5,1.5), x4 = (0, -1), x5 = (-1,1), x6 = (0.5, -1)
How do I go about generating a 6 x 6 matrix with entries
x1'x1 x1'x2 x1'x3 x1'x4 x1'x5 x1'x6
x2'x1 x2'x2 x2'x3 x2'x4 x2'x5 x2'x6
x3'x1 x3'x2 x3'x3 x3'x4 x3'x5 x3'x6
x4'x1 x4'x2 x4'x3 x4'x4 x4'x5 x4'x6
x5'x1 x5'x2 x5'x3 x5'x4 x5'x5 x5'x6
x6'x1 x6'x2 x6'x3 x6'x4 x6'x5 x6'x6

Accepted Answer

Geoff Hayes
Geoff Hayes on 15 Oct 2016
Perhaps I'm misunderstanding but if
x = [1.0000 0
0.5000 1.0000
0.5000 1.5000
0 -1.0000
-1.0000 1.0000
0.5000 -1.0000];
which is a 6x2 array, then wouldn't
x*x'
be the desired 6x6 array?

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