Derivation
Lanczos derived the formula from Leonhard Euler's integral
performing a sequence of basic manipulations to obtain
and deriving a series for the integral.
Read more about this topic: Lanczos Approximation
Derivation
Lanczos derived the formula from Leonhard Euler's integral
performing a sequence of basic manipulations to obtain
and deriving a series for the integral.
Read more about this topic: Lanczos Approximation