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%yTx=alpha
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%y=[x;y]
%x=[u1;u2]
%If we modify the equation we get that that y=(-u1/u2)*x+alpha/u2
%If we take equation for line y=v2/v1*x which goes through origin and v1 and v2 are
%elemnts of the vector representing the base of the subspace we wanted to find
%and move it by centroid we get y-t2=v2/v1*x-t1 which then equals to
%y=v2/v1x-v2/v1*t1+t2 from this we get equations v2/v1x=(-u1/u2)->u1=-v2,u2=v1
%and alpha/u2=-v2/v1*t1+t2=>alpha=-v2*t1+t2*v1
%x is already normalized so we dont have to normalize it