- 2

- 0

min(||Aax-b||2)

where

A is a known matrix,

b is a know vector

x is an unknows vector

a is an unknown scalar

I can solve directly via pseudo inverse

ax=inv(A'A)A'b

but how can I isolate a from x?

Could Separable least square a scheme to follow...

Thnaks in advance

Isy