An iterated quasi-interpolation approach for derivative approximation - Sun, Zhengjie; Wu, Zongmin; Gao, Wenwu (Numerical algorithms, 2020)
Keywords: Algebra; Algorithms; Approximation; Computer Science; Derivatives; Discrete functions; Fourier transforms; Interpolation; Mathematical analysis; Numeric Computing; Numerical Analysis; Operators (mathematics); Original Paper; Periodic functions; Theory of Computation; Quasi-interpolation; 41A63; 65D10; 41A65; 65D05; Fourier transform; 65D15; Strang–Fix condition; 41A05; Numerical differentiation