is.m

为了下载东西

function Mu = is(X,Args)
% function z = is(X,Args)
%
% Evaluates membership of X in set defined by Args.
%
% Args   break points defining fuzzy set
% X      running point on universe
% Mu     membership value
%
% Parametric representation of fuzzy sets using
% picurve only; even for z-curves and s-curves.

% Jantzen, 941119

X = max(min(X,100),-100) ;     % limit to standard universe ;
if length(Args) >= 5,
  X1 = Args(1) ; X2 = Args(2); X3 = Args(3); X4 = Args(4); Typ = Args(5) ;
elseif length(Args) == 1,
  X1 = Args(1) ; X2 = Args(1); X3 = Args(1); X4 = Args(1); Typ = 1;
end ;
Mu = picurve(X1, X2, X3, X4, X, Typ) ;