Re: Need help with method of least squares

On Aug 5, 1:11 pm, toni.lass...@xxxxxxxxx wrote:

You have an unknown 2x2 matrix, call it X, and three linear systems
of the type X u_i = v_i, i=1,2,3 where the vectors u_i and v_i are
known. Compile these vectors as column vectors of two 2x6 matrices,
call them U and V. Then you have six equations, which can be given
in matrix form as X U = V. Multiply from the right with U' and get
X (UU') = VU'. This is the normal equation for the least-squares
problem and can be solved uniquely if U has full row rank. Solve for
each row of X in turn.

what abt the method i posted above..is it wrong ?
.

Relevant Pages

  • Re: Need help with method of least squares
    ... Compile these vectors as column vectors of two 2x6 matrices, ... This is the normal equation for the least-squares ... problem and can be solved uniquely if U has full row rank. ...
    (sci.math)
  • Re: Need help with method of least squares
    ... Compile these vectors as column vectors of two 2x6 matrices, ... in matrix form as X U = V. ... I understand what you are saying. ...
    (sci.math)