(computing) A method of finding a nearly optimal solution to an optimization problem that cannot be solved exactly within a reasonable time.

(physics) A law of physics used to describe the spectrum of thermal radiation.

plural of over-approximation

plural of under-approximation

(mathematics) An accurate approximation for factorials.

simple past tense and past participle of under-approximate

(mathematics) The "best" approximation of a function by a rational function of given order. Under this technique, the approximant's power series agrees with the power series of the function it is approximating.

Used to indicate that a statement, though not necessarily entirely accurate or without exceptions, is good enough for basic or preliminary purposes; more or less; basically.

plural of Padé approximant

Third-person singular simple present indicative form of over-approximate