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

The chief difference between words and deeds is that words are always intended for men for their approbation, but deeds can be done only for God.
Leo Tolstoy