QR

Modules
	--- flexible ---
	geqr: QR factor, flexible
	gemqr: multiply by Q from geqr
	--- classic ---
	geqrf: QR factor
	geqr2: QR factor, level 2
	{un,or}gqr: generate explicit Q from geqrf
	{un,or}g2r: generate explicit Q from geqrf, level 2
	{un,or}mqr: multiply by Q from geqrf
	{un,or}m2r: multiply by Q from geqrf, level 2
	--- with T ---
	geqrt: QR factor, with T
	geqrt2: QR factor, with T, level 2
	geqrt3: QR factor, with T, recursive panel
	gemqrt: multiply by Q from geqrt
	--- positive ---
	geqrfp: QR factor, diag( R ) ≥ 0
	geqr2p: QR factor, diag( R ) ≥ 0, level 2

Detailed Description