Yorick routines defined in file matrix.i

L	+++		SVdec	_dgelss		_get_matrix
	LUrcond		SVsolve	_dgelx		_to_real_system
	LUsolve	T	+++	_dgesv	U	+++
Q	+++		TDsolve	_dgesvx		unit
	QRsolve	_	+++	_dgetrf		+++
S	+++		_dgecox	_dgtsv		+++