torch.ormqr

torch.ormqr(input, input2, input3, left=True, transpose=False) → Tensor

Multiplies mat (given by input3) by the orthogonal Q matrix of the QR factorization formed by torch.geqrf() that is represented by (a, tau) (given by (input, input2)).

This directly calls the underlying LAPACK function ?ormqr. See LAPACK documentation for ormqr for further details.

Parameters

• input (Tensor) – the a from torch.geqrf().
• input2 (Tensor) – the tau from torch.geqrf().
• input3 (Tensor) – the matrix to be multiplied.