title: Looking for an elegant and efficient C++ matrix library
body: <p>Greetings,
  googling for that subject brings, e.g., <a href="http://osl.iu.edu/research/mtl/" rel="nofollow noreferrer">MTL</a>, <a href="http://exmat.sourceforge.net/" rel="nofollow noreferrer">exmat</a>, <a href="http://www.netlib.org/lapack/" rel="nofollow noreferrer">LAPACK</a> and also <a href="https://stackoverflow.com/questions/1997632/matrix-standard-library">here</a>. I also seem to remember that Microsoft Research released one, but can't put my hands on it.
  I look for advice from someone who actually used (or developed...) one of those, hoping to achieve a Matlab experience inside C++ (as much as possible).
  Thanks in advance, Robi</p>