image thumbnail

updated 4 months ago

inpolygons by Kelly Kearney

Kelly Kearney (view profile)

Finds points inside multiple polygons, holes possible. (approximation, interpolation, polygon)

image thumbnail

updated 1 year ago

biparabolic interpolation by Orlando Rodríguez

Biparabolic surface interpolation and calculation of derivatives. (approximation, interpolation, derivatives)


image thumbnail

updated 5 years ago

Bisection by Wolfgang Putschögl

Computes the root of a function f by bisectioning. (approximation, solve, mathematics)


image thumbnail

updated 5 years ago

Line Simplification by Wolfgang Schwanghart

Recursive Douglas-Peucker Polyline Simplification (Iterative Endpoint Fit) (approximation, interpolation, polyline)



image thumbnail

updated 7 years ago

Real-Valued Spherical Harmonics by Bing Jian

Bing Jian (view profile)

some useful spherical harmonics routines (approximation, interpolation, spherical harmonics)


SHRotate(r, degree)


image thumbnail

updated 8 years ago

Newton-Raphson by Keerthi venkateswara Rao

Newton-Raphson method for all real roots of the polynomial. (approximation, interpolation, iterative)




image thumbnail

updated almost 9 years ago

Lagrange Interpolator Polynomial by Dan Ellis

Dan Ellis (view profile)

Find the polynomial (defined by its coefficients) passing through a set of points. (approximation, interpolation, lagrange interpolator...)

Lagrange Interpolation Polynomial


image thumbnail

updated 10 years ago

Interpolation by Sokthai Chan

Sokthai Chan (view profile)

Tschebyscheff interpolation. (approximation, interpolation, sokthai chan)


image thumbnail

updated 10 years ago

Fast retrieve line coordinates by Alejandro Sanchez-Crespo

Fast retrieve the (x,y) coordinates of a line, given the starting and ending points. (approximation, interpolation, 2d)


image thumbnail

updated almost 11 years ago

ortho_poly.m (Chebyshev polynomials) by Balajee Ananthasayanam

Evaluates chebyshev polynomials with vector arguments for vector arguments x. (approximation, interpolation, chebyshev)


image thumbnail

updated 11 years ago

polyfic by Vassili Pastushenko

Vectorized fit of vectors to columns of a matrix. (approximation, interpolation, polynomial)


image thumbnail

updated 11 years ago

LegendreShiftPoly by Peter Roche

This program returns the coefficients of the shifted Legendre polynomial P_n, given n. (approximation, interpolation, shifted)


image thumbnail

updated 11 years ago

Entrop by Michael Boss

ENTROP implements a special version of the algorithm for entropy maximization. (approximation, interpolation, entropy)


image thumbnail

updated 11 years ago

Circle fit by Izhak Bucher

Izhak Bucher (view profile)

Fit a circle to a set of measured x,y points. (approximation, interpolation, circle fit)



image thumbnail

updated 12 years ago

fft_upsample by Ohad Gal

Ohad Gal (view profile)

Upsamples a complex series to form time domain interpolation for a fixed spaced grid. (approximation, interpolation, complex)

fft_upsample( in_m,upsample_factor )

image thumbnail

updated 14 years ago

smoothn by Anil Gannepalli

Smooths N-D input data using 'box' or 'gaussian' filter using a specified convolution kernel. (approximation, interpolation, smooth)


image thumbnail

updated 14 years ago

Lagrange polynomial interpolation by Carlo Castoldi

Lagrange polynomial interpolation (approximation, interpolation, lagrange)


image thumbnail

updated 16 years ago

polyfit2 by David Moline

Performs polynomial fits that pass through a specified point (x0,y0). (approximation, interpolation, tools)


Contact us