﻿功能:求双曲余割值

格式:Csch(z)

说明:求z的双曲余割值,按定义Csch(z)=1/{Sinh<矩阵运算\Sinh>}(z).z可以为矩阵(此时对矩阵里的每个元素求双曲余割),也可以为数字(此时对本数字求双曲余割)

例子:
b =
[ 0.434994564128571     0.648561094723903     0.992225544989214
  0.669613770986727     0.689008104470096     0.636164162604215
  0.871843400817291     0.290583205544661     0.928670651711836
  0.403033647873920     0.158982726353678     0.533521447113492 ]

a=csch(b)//回车执行命令后得到如下的值
a =
[ 2.227949351150890     1.438860268818240     0.859667840727619
  1.387370074587350     1.342583618816080     1.470694963327080
  1.013615399013390     3.393397464276990     0.936301704024083
  2.415261668555410     6.263572322476700     1.788285454601170 ]