Bessel function

noun Bes·sel function \ ˈbe-səl- \

Definition of Bessel function

: one of a class of transcendental functions expressible as infinite series and occurring in the solution of the differential equation {latex}x^{2}\frac{d^{2}y}{dx^{2}} + x\frac{dy}{dx} = (n^2 - x^2)y{/latex}

Origin and Etymology of bessel function

Friedrich W. Bessel †1846 Prussian astronomer


Seen and Heard

What made you want to look up Bessel function? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!