Interpolation/ Approximation

Overview Interpolation by polynomials Interpolation by polynomials Inverse interpolation by polynomials Hermite interpolation Spline-Interpolation Interpolation by cubic natural or hermite splines Interpolation by periodic cubic splines smoothing cubic spline variance estimation smoothing spline different orders variance given Spline under tension closed curve by periodic splines Trigonometric interpolation Trigonometric interpolation and FFT Demo Fourier approximation of a given function Other methods Numerical differentiation 2D Lagrange interpolation 2D piecewise lin. interpolation Interpolation with positivity constraint Interpolation by rational functions more reading Interpolation back to the main menu