Curve and surface fitting with splines

Part 1 Spline functions: univariate splines bivariate splines. Part 2 Curve fitting: an introduction least-squares spline curve fitting smoothing spline curve fitting more smoothing spline curves fitting with convexity constraints. Part 3 Surface fitting: an introduction scattered data surface fitting mesh data surface fitting more scattered data smoothing more mesh data smoothing Part 4 Fitpack: available software.