Using the C Math Library

Polynomial and Interpolation Functions

Data Interpolation 

Function	Purpose
mlfGriddata	Data gridding.
mlfIcubic	Cubic interpolation of 1-D function.
mlfInterp1	One-dimensional interpolation (1-D table lookup).
mlfInterp1q	Quick one-dimensional linear interpolation.
mlfInterp2	Two-dimensional interpolation (2-D table lookup).
mlfInterpft	One-dimensional interpolation using FFT method.

Spline Interpolation 

Function	Purpose
mlfPpval	Evaluate piecewise polynomial.
mlfSpline	Piecewise polynomial cubic spline interpolant.

Geometric Analysis 

Function	Purpose
mlfInpolygon	Detect points inside a polygonal region.
mlfPolyarea	Area of polygon.
mlfRectint	Rectangle intersection area.

Polynomials 

Function	Purpose
mlfConv	Multiply polynomials.
mlfDeconv	Divide polynomials.
mlfMkpp	Make piecewise polynomial.
mlfPoly	Construct polynomial with specified roots.
mlfPolyder	Differentiate polynomial (see online help).
mlfPolyfit	Fit polynomial to data.
mlfPolyval	Evaluate polynomial.
mlfPolyvalm	Evaluate polynomial with matrix argument.
mlfResidue	Partial-fraction expansion (residues).
mlfResi2	Residue of a repeated pole.
mlfRoots	Find polynomial roots.
mlfUnmkpp	Supply information about piecewise polynomial.

Data Analysis and Fourier Transform Functions

Function-Functions and ODE Solvers