Linear Algebra Utilities¶

This module provides various linear algebra utilities.

`givens_decomposition`(unitary)	Decomposes a unitary matrix into Givens rotations and diagonal phases.
`double_factorized_2body`(two_body_tensor, tol)	Double-factorized decomposition of a real two-body tensor.
`double_factorized_t2`(t2_amplitudes, tol[, ...])	Double-factorized decomposition of spin-restricted \(t_2\) amplitudes.
`reconstruct_t2`(terms, nocc)	Reconstructs spin-restricted \(t_2\) amplitudes from a double-factorized decomposition.
`double_factorized_t2_alpha_beta`(...[, max_terms])	Double-factorized decomposition of alpha-beta (spin-unrestricted) \(t_2\) amplitudes.
`reconstruct_t2_alpha_beta`(terms, norb, ...)	Reconstructs alpha-beta \(t_2\) amplitudes from a double-factorized decomposition.