linalg# linalg.basic provides the fundamental classes for linear algebra operations. linalg.block linalg.direct_solvers linalg.fft linalg.kernels linalg.kron linalg.solvers This module provides iterative solvers and preconditioners. linalg.stencil linalg.topetsc linalg.utilities linalg submodules# linalg.kernels