qBeta函数是B函数的q模拟
B q ( a , b ) = Γ q ( a ) ∗ Γ q ( b ) Γ q ( a + b ) {\displaystyle B_{q}(a,b)={\frac {\Gamma _{q}(a)*\Gamma _{q}(b)}{\Gamma _{q}(a+b)}}}
其中 Γ q ( a ) {\displaystyle \Gamma _{q}(a)} 是QΓ函数.
Frank Oliver,NIST Handbook of Mathematical Functions, p145, Cambridge University Press, 2010