DLMF:1.16.E27 (Q627)

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DLMF:1.16.E27
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    Statements

    Defining formula
    ⟨ D k ⁢ f , ϕ ⟩ = ( - 1 ) | k | ⁢ ∫ ℝ n f ⁢ ( x ) ⁢ ϕ ( k ) ⁢ ( x ) ⁢ d x , distribution superscript 𝐷 𝑘 𝑓 italic-ϕ superscript 1 𝑘 subscript 𝑛 𝑓 𝑥 superscript italic-ϕ 𝑘 𝑥 𝑥 {\displaystyle{\displaystyle\left\langle D^{k}f,\phi\right\rangle=(-1)^{\left|% k\right|}\int_{{\mathbb{R}^{n}}}f(x)\phi^{(k)}(x)\mathrm{d}x,}}
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    DLMF id
    DLMF:1.16.E27
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