Randomized block Krylov subspace algorithms for low-rank quaternion matrix approximations
Chaoqian Li, Yonghe Liu, Fengsheng Wu, Maolin Che
Topics & Concepts
MathematicsKrylov subspaceSingular value decompositionQuaternionSingular valueAlgorithmMatrix (chemical analysis)Rank (graph theory)Theory of computationApplied mathematicsIterative methodCombinatoricsEigenvalues and eigenvectorsGeometryPhysicsQuantum mechanicsComposite materialMaterials scienceSparse and Compressive Sensing TechniquesImage and Signal Denoising Methods