Need help with subspace basis
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I'm writing a script to find the basis of subspace spanned by a vector set and by a homogenous system. In the case with the vector set, I plan to put my given matrix through rref to find the pivots and from there point out the vectors that are the bases.
Here's what I got so far
disp('input matrix')
A = input('A=')
Ar = rref(A)
s = size(Ar)
s1=s(1)
s2=s(2)
for i=1:s1
for i=1:s2
if Ar(i)== 1
A(:,i)
end
end
end
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