: 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}
Cite this Entry
“Bessel function.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Bessel%20function. Accessed 29 Mar. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share