Associations to the word «Bessel»

Wiktionary

BESSEL FUNCTION, noun. (mathematics) Any of a class of functions that are solutions to a particular form of differential equation (a Bessel equation) and are typically used to describe waves in a cylindrically symmetric system.
BESSEL FUNCTIONS, noun. Plural of Bessel function

Dictionary definition

BESSEL, noun. German mathematician and astronomer who made accurate measurements of stellar distances and who predicted the existence on an 8th planet (1784-1846).

Wise words

Men govern nothing with more difficulty than their tongues, and can moderate their desires more than their words.
Baruch Spinoza