Bessel function

American

noun

Mathematics.

one of several transcendental functions, usually represented as power series, that are solutions to a group of related differential equations.

Etymology

Origin of Bessel function

First recorded in 1870–75; named after F. W. Bessel

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

From this treatment, the theoretical correlation function iswhere J1 is the Bessel function of the first kind and is the wavenumber of an outgoing atom in the final state.

From Nature

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023