KnowraDirac delta functionLinked fromLinked fromThe 18 pages that link to Dirac delta function, each with the reason it gives.All 18Broader topic 1Related 12Narrower topic 1Compared with 4Probability density functionCompared with: It provides a formal point-mass analogue, not an ordinary probability density.Distribution theoryCompared with: Its use in quantum mechanics helped motivate a rigorous theory of generalized functions.Kronecker deltaCompared with: It performs a continuous-variable role analogous to the delta’s discrete index selection.Rectangular functionCompared with: It is the zero-width limiting idealization of a unit-area rectangular pulse.