A Preconditioning Technique for an All-at-once System from Volterra Subdiffusion Equations with Graded Time Steps
Yongliang Zhao, Xian‐Ming Gu, Alexander Ostermann
Topics & Concepts
MathematicsDiscretizationKernel (algebra)Interval (graph theory)SingularityOrder (exchange)Applied mathematicsScheme (mathematics)Mathematical analysisDiscrete mathematicsCombinatoricsEconomicsFinanceFractional Differential Equations SolutionsDifferential Equations and Numerical MethodsNumerical methods for differential equations