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Formula:641

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Digital Library of Mathematical Functions ID 1.17.E12

δ ⁡ ( x - a ) = 1 2 ⁢ π ⁢ ∫ - ∞ ∞ e i ⁢ ( x - a ) ⁢ t ⁢ d t . Dirac-delta 𝑥 𝑎 1 2 𝜋 superscript subscript superscript 𝑒 𝑖 𝑥 𝑎 𝑡 𝑡 {\displaystyle{\displaystyle\delta\left(x-a\right)=\frac{1}{2\pi}\int_{-\infty% }^{\infty}e^{i(x-a)t}\mathrm{d}t.}}


Constraint(s)

Symbols List

  • δ ⁡ ( x - a ) Dirac-delta 𝑥 𝑎 {\displaystyle{\displaystyle\delta\left(\NVar{x-a}\right)}} :
  • π {\displaystyle{\displaystyle\pi}} : the ratio of the circumference of a circle to its diameter
  • d x 𝑥 {\displaystyle{\displaystyle\mathrm{d}\NVar{x}}} : differential of x
  • e {\displaystyle{\displaystyle\mathrm{e}}} : base of natural logarithm
  • i imaginary-unit {\displaystyle{\displaystyle\mathrm{i}}} : imaginary unit
  • ∫ {\displaystyle{\displaystyle\int}} : integral
  •  Edit this on Wikidata

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This page was last edited on 28 January 2024, at 10:30.
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