功能:Dirichlet Lambda Function

格式:DirichletLambda(x)

说明:DirichletLambda(x)=(1-1/2^x)*{RiemannZeta<算式解析\RiemannZeta>}(x)

关于:{Dirichlet Lambda<http://mathworld.wolfram.com/DirichletLambdaFunction.html>}

例子:

DirichletLambda(i)//回车后得到如下的结果
ans = 0.267967447131428 - 0.0944120817345153i