Associations to the word «Heaviside»

Wiktionary

HEAVISIDE UNIT FUNCTION, noun. (mathematics) The function whose value is zero if its independent variable is negative, and one otherwise.

Dictionary definition

HEAVISIDE, noun. English physicist and electrical engineer who helped develop telegraphic and telephonic communications; in 1902 (independent of A. E. Kennelly) he suggested the existence of an atmospheric layer that reflects radio waves back to earth (1850-1925).

Wise words

It is only with the heart that one can see rightly; what is essential is invisible to the eye.
Antoine de Saint-Exupery