\descript{
  Perform matrix factorization.

  This function is not needed to use Murge interface, it only forces 
  factorization when user wants.
  
  If this function is not used, factorization will be performed 
  with solve, when getting solution from MURGE.
}{
  Perform matrix factorization.

  This function is not needed to use Murge interface, it only forces 
  factorization when user wants.
  
  If this function is not used, factorization will be performed 
  with solve, when getting solution from MURGE.
}
