Optimal rotated block-diagonal preconditioning for discretized optimal control problems constrained with fractional time-dependent diffusive equations
Zhong‐Zhi Bai, Kang‐Ya Lu
Topics & Concepts
MathematicsDiscretizationKrylov subspaceApplied mathematicsDiagonalBlock matrixFinite element methodOptimal controlLinear systemLagrange multiplierBlock (permutation group theory)PreconditionerMathematical analysisMathematical optimizationEigenvalues and eigenvectorsGeometryPhysicsQuantum mechanicsThermodynamicsFractional Differential Equations SolutionsMatrix Theory and AlgorithmsElectromagnetic Scattering and Analysis