DLMF:1.17.E2 (Q661): Difference between revisions

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imported>Admin
Property / constraint
 

a 𝑎 {\displaystyle{\displaystyle a\in\mathbb{R}}}

a\in\Reals
Property / constraint: a 𝑎 {\displaystyle{\displaystyle a\in\mathbb{R}}} / rank
 
Normal rank

Revision as of 16:50, 30 December 2019

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DLMF:1.17.E2
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    Statements

    - δ ( x - a ) ϕ ( x ) d x = ϕ ( a ) , superscript subscript Dirac-delta 𝑥 𝑎 italic-ϕ 𝑥 𝑥 italic-ϕ 𝑎 {\displaystyle{\displaystyle\int_{-\infty}^{\infty}\delta\left(x-a\right)\phi(% x)\mathrm{d}x=\phi(a),}}
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    a 𝑎 {\displaystyle{\displaystyle a\in\mathbb{R}}}
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