The ACM Computing Classification System (1998)
G.1.2 Approximation
- Approximation of surfaces and contours
- Chebyshev approximation and theory
- Elementary function approximation
- Fast Fourier transforms (FFT)
- Least squares approximation
- Linear approximation
- Minimax approximation and algorithms
- Nonlinear approximation
- Rational approximation
- Special function approximations
- Spline and piecewise polynomial approximation
- Wavelets and fractals