chebychev nodes, interpolation, curve fitting, system of equations, runge's phenomenon, sparse matrix

Uses cubic splines to interpolate a given set of data points

Solving the one-dimensional stationary heat equation with a Gaussian heat source by approximating the solution as a sum of Lagrange polynomials.

chebychev nodes, newton, interpolation, lagrange, runges phenomenon

Using polynomial interpolation to interpolate a set of points and to approximate a function or a curve.