KrylovConfig

class cuquantum.densitymat.KrylovConfig(

tolerance: float | None = None,

max_dim: int | None = None,

min_beta: float | None = None,

)

Configuration for the Krylov subspace time propagation approach.

Parameters:

• tolerance – Convergence tolerance. Defaults to machine epsilon when None.

• max_dim – Maximum Krylov subspace dimension. Defaults to 30 when None.

• min_beta – Minimum beta to proceed with expansion. Defaults to 0 when None.