GOffice.QuadQR

Fields

None

Methods

class	determinantl (qr, det)
class	freel (qr)
class	mark_degeneratel (qr, i)
class	multiply_qtl (qr, x)
class	rl (qr)
	determinant (det)
	free ()
	multiply_qt (x)
	r ()

Details

class GOffice.QuadQR

classmethod determinantl(qr, det)

Parameters:

• qr (GOffice.QuadQRl) –
• det (GOffice.Quadl) –

classmethod freel(qr)

Parameters:qr (GOffice.QuadQRl) –

classmethod mark_degeneratel(qr, i)

Parameters:

• qr (GOffice.QuadQRl) –
• i (int) –

classmethod multiply_qtl(qr, x)

Parameters:

• qr (GOffice.QuadQRl) –
• x (GOffice.Quadl) –

classmethod rl(qr)

Parameters:qr (GOffice.QuadQRl) – Return type:GOffice.QuadMatrixl

determinant(det)

Parameters:det (GOffice.Quad) –

free()

multiply_qt(x)

Parameters:x (GOffice.Quad) – a vector. Returns:a vector. Return type:x: GOffice.Quad

Replaces x by Q^t * x

r()

Returns:the small R from the decomposition, i.e., a square matrix of size n. To get the large R, if needed, add m-n zero rows. Return type:GOffice.QuadMatrix