TrainSum.lanczos(*, nsteps=1, subspace=3, eps=1e-08, solver=<trainsum.eighsolver.EigHSolver object>)

Lanczos iterative eigenvalue solver.

Parameters:

• nsteps (int)

• subspace (int)

• eps (float)

• solver (MatrixEigenvalueDecomposition)

Return type:

Lanczos