Source: cirosantilli/dirac-delta-function
= Dirac delta function
{c}
{wiki}
The "0-width" pulse <distribution (mathematics)> that integrates to a step.
There's not way to describe it as a classical <function (mathematics)>, making it the most important example of a <distribution (mathematics)>.
Applications:
* <position operator> in <quantum mechanics>. It's not a coincidence that the function is named after <Paul Dirac>.