Language Reference
Numerical Analysis Functions
- BSPLINE function
computes a B-spline basis
- FFT function
performs the finite Fourier transform
- FFTC function
performs the finite Fourier transform for complex signals
- FROOT function
finds zeros of a univariate function by using a numerical root-finding method
- IFFT function
computes the inverse finite Fourier transform
- IFFTC function
computes the inverse finite Fourier transform for complex signals
- JROOT function
computes the first nonzero roots of a Bessel function of the first kind and the derivative of the Bessel function at each root
- NORM function
computes a vector or matrix norm
- ODE call
performs numerical integration of first-order vector differential equations with initial boundary conditions
- ORPOL function
generates orthogonal polynomials on a discrete set of data
- ORTVEC call
provides columnwise orthogonalization by the Gram-Schmidt process and stepwise QR decomposition by the Gram-Schmidt process
- POLYROOT function
finds zeros of a real polynomial
- PRODUCT function
multiplies matrices of polynomials
- QUAD call
performs numerical integration of scalar functions in one dimension over infinite, connected semi-infinite, and connected finite intervals
- RATIO function
divides matrix polynomials
- SPLINE call
fits a cubic spline to data
- SPLINEC call
fits a cubic spline to data and returns the spline coefficients
- SPLINEV function
evaluates a cubic spline at new data points
- TFHILBERT function
computes the Hilbert transform of a discrete time series
- TFPWV function
computes the pseudo-Wigner-Ville transform
- TFSTFT function
computes the short-time Fourier transform
- TFWINDOW function
returns a window of a requested shape for smoothing spectra
- TPSPLINE call
computes thin-plate smoothing splines
- TPSPLNEV call
evaluates the thin-plate smoothing spline at new data points