Function | Purpose Statement |
|---|---|
Frees the structure containing information about the Faure sequence. | |
Shuffled Faure sequence initialization. | |
Computes a shuffled Faure sequence. | |
Computes the Discrete Fourier Transform of a rank-1 complex array, x. | |
Computes the Discrete Fourier Transform (2DFT) of a rank-2 complex array, x. | |
Computes the Discrete Fourier Transform (2DFT) of a rank-3 complex array, x. | |
Computes parameters needed by FCOST. | |
Computes the discrete Fourier cosine transformation of an even sequence. | |
Approximates the gradient using forward differences. | |
Approximates the Hessian using forward differences and function values. | |
Approximates the Jacobian of M functions in N unknowns using forward differences. | |
Solves the generalized Feynman-Kac PDE on a rectangular grid using a finite element Galerkin method. Initial and boundary conditions are provided. | |
The Discrete Fourier Transform of a complex sequence and its inverse transform. | |
The Discrete Fourier Transform of several complex or real sequences. | |
Computes the inverse Fourier transform of a complex periodic two-dimensional array. | |
Computes Fourier coefficients of a complex periodic two-dimensional array. | |
Computes the inverse Fourier transform of a complex periodic three-dimensional array. | |
Computes Fourier coefficients of a complex periodic three-dimensional array. | |
Computes the complex periodic sequence from its Fourier coefficients. | |
Computes the Fourier coefficients of a complex periodic sequence. | |
Computes parameters needed by FFTCF and FFTCB. | |
Computes the real periodic sequence from its Fourier coefficients. | |
Computes the Fourier coefficients of a real periodic sequence. | |
Computes parameters needed by FFTRF and FFTRB. | |
Computes a least-squares approximation with user-supplied basis functions. | |
Solves Poisson’s or Helmholtz’s equation on a two-dimensional rectangle using a fast Poisson solver based on the HODIE finite-difference scheme on a uni mesh. | |
Solves Poisson’s or Helmholtz’s equation on a three-dimensional box using a fast Poisson solver based on the HODIE finite-difference scheme on a uniform mesh. | |
Computes a Fejér quadrature rule with various classical weight functions. | |
Computes parameters needed by FSINT. | |
Computes the discrete Fourier sine transformation of an odd sequence. |