matlab生成随机粗糙表面_生成三维随机粗糙表面问题

%[gamma,delta,lambda,xi,jctype,fault_msg]=dat_as98_johnson_per(x)

%Implements Carnegie-Mellon STATLIB/Applied Statistics as99

%for fitting Johnson curve pdfs and developed by:

%R.L.Holder,1976.

%Algorithm as 99:Fitting Johnson Curves by Moments

%Applied Statistics,Vol.25,No.2,180-189.

%See also:

%Hahn,G.J. and S.S.Shapiro,

%Statistical Model in Engineering,J.Wiley & Sons,pp.198-223.

%Kotz,S,N.L.Johnson,and R.B.Campbell,1983.

%Encyclopedia of Statistical Sciences,Vol.4.

%Input:

%x vector of sample observations

%Output:

%Johnson curve parameters:

%as-99 nomenclature      Hahn & Shapiro nomenclature

%gamma                   gamma

%delta                   eta

%xi                      epsilon

%lambda                  lambda

%Johnson curve type and error state:jctype,f