Fransén–Robinson constantの英語

固有名詞

Fransén–Robinson constant

1. (mathematics) The numeric value of the integral over the positive real numbers of the reciprocal of the gamma function, ${\displaystyle \textstyle F=\int _{0}^{\infty }{\frac {1}{\Gamma (x)}}dx=2.8077702420285...}$.
   • 2003, Steven R. Finch, Mathematical Constants, Cambridge University Press, page 262,

     Sebah [6] utilized the Clenshaw—Curtis method (based on Chebyshev polynomials) to compute the Fransén—Robinson constant to over 600 digits.

Further reading

• Fransén–Robinson constant on Wikipedia.
• Fransén-Robinson Constant on Wolfram MathWorld
• A058655 on On-Line Encyclopedia of Integer Sequences