/**
* This class provides an interface to the sparse direct solver MA27
* from the Harwell Subroutine Library. MA27 is a direct solver
- * specialized for sparse indefinite systems of linear equations and
+ * specialized for sparse symmetric indefinite systems of linear equations and
* uses a modified form of Gauss elimination. It is included in the
* Harwell Subroutine Library (see
* @url{http://www.cse.clrc.ac.uk/Activity/HSL}) and is written in
/**
* This class provides an interface to the sparse direct solver MA47
* from the Harwell Subroutine Library. MA47 is a direct solver
- * specialized for sparse indefinite systems of linear equations and
+ * specialized for sparse symmetric indefinite systems of linear equations and
* uses a frontal elimination method. It is included in the Harwell
* Subroutine Library (see
* @url{http://www.cse.clrc.ac.uk/Activity/HSL}) and is written in