Definition:Dirac Delta Function/2 Dimensional
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Definition
Let $\delta: \R \to \R$ denote the Dirac delta function.
The $2$-dimensional form of $\delta$ is defined and denoted:
- $\forall x, y \in \R: \map { {}^2 \delta} {x, y} := \map \delta x \map \delta y$
Sources
- 1978: Ronald N. Bracewell: The Fourier Transform and its Applications (2nd ed.) ... (previous) ... (next): Frontispiece
- 1978: Ronald N. Bracewell: The Fourier Transform and its Applications (2nd ed.) ... (previous) ... (next): Chapter $4$: Notation for some useful Functions: Summary of special symbols: Table $4.1$ Special symbols
- 1978: Ronald N. Bracewell: The Fourier Transform and its Applications (2nd ed.) ... (previous) ... (next): Inside Back Cover