title: Boost's Linear Algebra Solution for y=Ax
body: <p>Does boost have one?
  Where A, y and x is a matrix (sparse and can be very large) and vectors respectively.
  Either y or x can be unknown.</p>
  
  <p>I can't seem to find it here:
   <a href="http://www.boost.org/doc/libs/1_39_0/libs/numeric/ublas/doc/index.htm" rel="noreferrer">http://www.boost.org/doc/libs/1_39_0/libs/numeric/ublas/doc/index.htm</a></p>