Dirac delta function

== English == === Alternative forms === Dirac delta Dirac's delta function, Dirac's delta === Etymology === Named after English physicist Paul Dirac. === Noun === Dirac delta function (plural Dirac delta functions) (mathematics) A function of one real argument, whose value is zero when the argument is nonzero, and whose integral is one over any interval that includes zero. ==== Translations ==== ==== See also ==== (function): Kronecker delta function, step function