﻿功能:求解黎曼Zeta函数值(Riemann zeta)

格式:Zeta(x)

说明:x为矩阵变量或者数据变量,当x为矩阵变量时表示对矩阵里的每个元素进行操作.函数执行完毕返回x对应的Zeta值。即
$$
\mathbf{Zeta}(x) = \sum_{i=1}^\infty \dfrac{1}{i^x}
$$

关于:{Zeta函数<http://en.wikipedia.org/wiki/Riemann_zeta_function>}

例子:
a =
[ 3.26913427713752  1.20372670293028  3.57715867626348
  3.41483096751144  9.66866155605235  3.60143370162762
  7.98383251204334  1.13167535100676  9.89412681194680
  2.96314895756689  6.25278287392705  0.08069169245692 ]
y=zeta(a)//回车后返回如下的值
y =
[ 1.15667242030692  5.50103416295106  1.11855924188914
  1.13708957858519  1.00106020446595  1.11604560115051
  1.00442025956634  8.18192981542935  1.00068747216786
  1.20991614945460  1.01426608924608  -1.0000000000000 ]
//By 2012/09/07