Re: How to solve the system of linear equations?

*To*: mathgroup at smc.vnet.net*Subject*: [mg25439] Re: How to solve the system of linear equations?*From*: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>*Date*: Sun, 1 Oct 2000 02:44:22 -0400 (EDT)*Organization*: Universitaet Leipzig*References*: <8r17ui$h8r@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

Hi, ?SingularValues "SingularValues[m] gives the singular value decomposition for a numerical \ matrix m. The result is a list {u, w, v}, where w is the list of singular \ values, and m can be written as Conjugate[Transpose[u]].DiagonalMatrix[w].v." Regards Jens Zak Levi wrote: > > Dear Mathematica experts, > > How to solve, in Mathematica, the system of linear equations, > > when a number of equations is larger than a number of variables. > > Another system easily pass to apply LSM in this case, but it seems to > me that there is no such opportunity in Mathematica. > > As an application, given N>5 points at plane, how to calculate (the > parameters) of best fitting ellipse. > > Thanks a lot, > ZL