DLMF:7.5.E13 (Q2359): Difference between revisions

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‎Changed an Item: Add constraint
‎Changed an Item: Add constraint
Property / Symbols used
 
Property / Symbols used: the ratio of the circumference of a circle to its diameter / rank
 
Normal rank
Property / Symbols used: the ratio of the circumference of a circle to its diameter / qualifier
 
Defining formula:

π {\displaystyle{\displaystyle\pi}}

\cpi
Property / Symbols used: the ratio of the circumference of a circle to its diameter / qualifier
 
xml-id: C3.S12.E1.m2ahdec

Revision as of 01:40, 2 January 2020

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DLMF:7.5.E13
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    Statements

    Defining formula
    G ⁡ ( x ) = π ⁢ F ⁡ ( x ) - 1 2 ⁢ e - x 2 ⁢ Ei ⁡ ( x 2 ) , Goodwin-Staton-integral 𝑥 𝜋 Dawsons-integral 𝑥 1 2 superscript 𝑒 superscript 𝑥 2 exponential-integral-Ei superscript 𝑥 2 {\displaystyle{\displaystyle G\left(x\right)=\sqrt{\pi}F\left(x\right)-\tfrac{% 1}{2}e^{-x^{2}}\mathrm{Ei}\left(x^{2}\right),}}
    0 references
    DLMF id
    DLMF:7.5.E13
    0 references
    constraint
    x > 0 𝑥 0 {\displaystyle{\displaystyle x>0}}
    0 references
    Symbols used
    Dawson’s integral
    Defining formula
    F ⁡ ( z ) Dawsons-integral 𝑧 {\displaystyle{\displaystyle F\left(\NVar{z}\right)}}
    xml-id
    C7.S2.E5.m2aadec
    0 references
    Goodwin–Staton integral
    Defining formula
    G ⁡ ( z ) Goodwin-Staton-integral 𝑧 {\displaystyle{\displaystyle G\left(\NVar{z}\right)}}
    xml-id
    C7.S2.E12.m2adec
    0 references
    the ratio of the circumference of a circle to its diameter
    Defining formula
    π {\displaystyle{\displaystyle\pi}}
    xml-id
    C3.S12.E1.m2ahdec
    0 references
     
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