Approximation ratio

Approximation, Order of approximation, Diophantine approximation, Approximation algorithm, Approximation theory, Linear approximation, Stirling's approximation, Born approximation, Successive-approximation ADC, Polynomial-time approximation scheme, WKB approximation, Minimax approximation algorithm, Superstrong approximation, Approximation in algebraic groups, Dirichlet's approximation theorem, Born–Huang approximation, Spouge's approximation, Bhāskara I's sine approximation formula, Laplace's approximation, Two-stream approximation, Paraxial approximation, Journal of Approximation Theory, Boussinesq approximation, Supersymmetric WKB approximation, Cellular approximation theorem, Rational approximation, Successive approximation, High-frequency approximation, Artin approximation theorem, Percus–Yevick approximation, Approximation error, Simplicial approximation theorem, Weak approximation, Born–Oppenheimer approximation, Approximations of π, Muffin-tin approximation, Rotating-wave approximation, Komlós–Major–Tusnády approximation, Low-rank approximation, Small-angle approximation, Local-density approximation

Coherent potential approximation, Sheth–Tormen approximation, Slowly varying envelope approximation, Patched conic approximation, Least-squares function approximation, Approximation property (ring theory), Stochastic approximation, Binomial approximation, Heavy traffic approximation, Fully polynomial-time approximation scheme, Discrete dipole approximation, Approximation to the identity, Rayleigh–Gans approximation, Constructive Approximation, Typographic approximation, Hardness of approximation, Low-rank matrix approximations, Sparse approximation, Simultaneous perturbation stochastic approximation, Function approximation, Side-approximation theorem, Approximation property, McKay's approximation for the coefficient of variation, Eikonal approximation, Derjaguin approximation, Parameterized approximation algorithm, Empty lattice approximation, Quenched approximation, Random phase approximation, Approximation-preserving reduction, East Journal on Approximations, APX, Korovkin approximation, GW approximation, Quasistatic approximation, Sigma approximation, Müntz–Szász theorem, Vecchia approximation, Acoustic approximation, Effective medium approximations, Kronecker's theorem, Universal approximation theorem, Steady state (chemistry), Fitness approximation, Padé approximant, Stone–Weierstrass theorem, Lanczos approximation, CUR matrix approximation, Bernstein's theorem (approximation theory), Discrete dipole approximation codes

Approximation, Order of approximation, Diophantine approximation, Approximation algorithm, Approximation theory, Linear approximation, Stirling's approximation, Born approximation, Successive-approximation ADC, Polynomial-time approximation scheme, WKB approximation, Minimax approximation algorithm, Superstrong approximation, Approximation in algebraic groups, Dirichlet's approximation theorem, Born–Huang approximation, Spouge's approximation, Bhāskara I's sine approximation formula, Laplace's approximation, Two-stream approximation, Paraxial approximation, Journal of Approximation Theory, Boussinesq approximation, Supersymmetric WKB approximation, Cellular approximation theorem, Rational approximation, Successive approximation, High-frequency approximation, Artin approximation theorem, Percus–Yevick approximation, Approximation error, Simplicial approximation theorem, Weak approximation, Born–Oppenheimer approximation, Approximations of π, Muffin-tin approximation, Rotating-wave approximation, Komlós–Major–Tusnády approximation, Low-rank approximation, Small-angle approximation, Local-density approximation, Coherent potential approximation, Sheth–Tormen approximation, Slowly varying envelope approximation, Patched conic approximation, Least-squares function approximation, Approximation property (ring theory), Stochastic approximation, Binomial approximation, Heavy traffic approximation, Fully polynomial-time approximation scheme, Discrete dipole approximation, Approximation to the identity, Rayleigh–Gans approximation, Constructive Approximation, Typographic approximation, Hardness of approximation, Low-rank matrix approximations, Sparse approximation, Simultaneous perturbation stochastic approximation, Function approximation, Side-approximation theorem, Approximation property, McKay's approximation for the coefficient of variation, Eikonal approximation, Derjaguin approximation, Parameterized approximation algorithm, Empty lattice approximation, Quenched approximation, Random phase approximation, Approximation-preserving reduction, East Journal on Approximations, APX, Korovkin approximation, GW approximation, Quasistatic approximation, Sigma approximation, Müntz–Szász theorem, Vecchia approximation, Acoustic approximation, Effective medium approximations, Kronecker's theorem, Universal approximation theorem, Steady state (chemistry), Fitness approximation, Padé approximant, Stone–Weierstrass theorem, Lanczos approximation, CUR matrix approximation, Bernstein's theorem (approximation theory), Discrete dipole approximation codes, Kirkwood approximation, Beta plane, Saddlepoint approximation method, Wien approximation, Boussinesq approximation (buoyancy), Model solid approximation, Adam Adamandy Kochański, Boussinesq approximation (water waves), Independent electron approximation, Oka–Weil theorem, Quasi-harmonic approximation, Mergelyan's theorem, Diffuse element method, K-approximation of k-hitting set, Progressive-iterative approximation method, Weak temperature gradient approximation, Schlick's approximation, K-minimum spanning tree, Stokes approximation and artificial time, Dynamical mean-field theory, Continuous slowing down approximation range, Markov chain approximation method, Korringa–Kohn–Rostoker method, Binary collision approximation, Convex volume approximation, Central field approximation, Iterative method, Moment closure, Runge's theorem, Taylor's theorem, Geometric set cover problem, Integrated nested Laplace approximations, Black's approximation, Minimum-weight triangulation, Pi Day, Gaussian process approximations, Mean-field theory, Nearly free electron model, Simple rational approximation, Maximum cut, Wiener connector, Gas in a box, Fresnel diffraction, Cauchy–Born rule, Liouville number, Bethe–Salpeter equation, Independent set (graph theory), Thin lens, Adiabatic theorem, Opaque set, Semiclassical, Relaxation (approximation), Fluid limit, Stationary phase approximation, Laser linewidth, Partition problem, Impact depth, Simple continued fraction, Post-Newtonian expansion, Shaping (psychology)