Search All of the Math Forum:
Views expressed in these public forums are not endorsed by
NCTM or The Math Forum.


Frank
Posts:
115
Registered:
12/27/07


Re: Solving equation
Posted:
May 24, 2012 9:35 AM


"Frank " <allinone_2003@yahoo.com.hk> wrote in message <jpkoit$p1i$1@newscl01ah.mathworks.com>... > Hello. I have a matrix equation problem. > > Ax = b, x_i = 1 > > where the dimensions of the complex matrices A, x, b are (M2)byM, Mby1 and (M2)by1, respectively. The problem has a constraint that all elements of x should have magnitude 1. > > How can I solve this problem? > Is the solution unique? > > Thanks a lot.

I suggest you see if ?fmincon? can do what you want. I don't have much experience with ?fmincon? so I won't attempt an example.
As to the solution being unique, that likely depends on the structure of A. You?ll have to experiment with it.



