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Definition 2024

Dirac_delta

Dirac delta

English

Noun

Dirac delta ‎(plural Dirac deltas)

(mathematics) A function-like symbol denoted as δ, with the property $\int f(t)\delta (x-t)\mathrm {d} t=f(x)$ , informally understood as a function with an infinite value at 0 and zero elsewhere, and formally as a distribution or a measure.