A sine transform based preconditioned MINRES method for all-at-once systems from constant and variable-coefficient evolutionary PDEs
Sean Hon, Po Yin Fung, Jiamei Dong, Stefano Serra‐Capizzano
Topics & Concepts
MathematicsPreconditionerToeplitz matrixConjugate gradient methodDiscretizationCoefficient matrixCirculant matrixKrylov subspaceApplied mathematicsConstant coefficientsEigenvalues and eigenvectorsBlock matrixMatrix (chemical analysis)Linear systemMathematical analysisAlgorithmPure mathematicsPhysicsComposite materialQuantum mechanicsMaterials scienceMatrix Theory and AlgorithmsNumerical methods for differential equationsElectromagnetic Simulation and Numerical Methods