lanczos

• full name: tenpy.linalg.lanczos.lanczos

• parent module: tenpy.linalg.lanczos

• type: function

tenpy.linalg.lanczos.lanczos(H, psi, options={}, orthogonal_to=[])

Simple wrapper calling LanczosGroundState(H, psi, options, orthogonal_to).run()

Deprecated since version 0.6.0: Going to remove the orthogonal_to argument. Instead, replace H with OrthogonalNpcLinearOperator(H, orthogonal_to) using the OrthogonalNpcLinearOperator.

Parameters

• H – See LanczosGroundState.

• psi – See LanczosGroundState.

• options – See LanczosGroundState.

• orthogonal_to – See LanczosGroundState.

Returns

See LanczosGroundState.run().

Return type

E0, psi0, N