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cooler8395

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[½»Á÷] ¡¾ÇóÖú¡¿MATLAB»Ø¹éwilson·½³Ì²ÎÊý

Âé·³¸ßÊÖ£¬ÇóÖúһϻعéwilson·½³Ì²ÎÊýµÄmatlab³ÌÐò¡£×Ô¼º±àµÄ²»ÖªµÀÄÄÀïµÄÔ­Òò£¬Îó²îºÜ´ó¡£
% wilson  »Ø¹é²ÎÊý  µ÷Óøñʽ-----[x,fval]=fminsearch(@wilson,[100 100])µ¥´¿Ðη¨Çó×îСֵ
function f = wilson(x)      


A12=x(1);
A21=x(2);
YY=0;
YYY=0;
FFF=0;
X1=[0.0593 0.1306 0.2660 0.3842 0.4708 0.6256 0.7178 0.8214 0.9037 0.9397];
Y1=[0.3285 0.4902 0.6234 0.6831 0.7125 0.7524 0.7832 0.8349 0.8864 0.9215];
    for i=1:length(X1)
     i
    x1=X1(i);%ÌáÈ¡±¾´ÎÊÔÑéµãµÄʵÑéÖµ
    x2=1-x1;  % x1,x2 ÊÔÑéÖµ
    y1=Y1(i);
    y2=1-y1;  % y1,y2 ÊÔÑéÖµ
    A12;
   A21;
    Lnr1=-log(x1+A12*x2)+x2*(A12/(x1+A12*x2)-A21/(x2+A21*x1));
    Lnr2=-log(x2+A21*x1)+x1*(A21/(x2+A21*x1)-A12/(x1+A12*x2));

    r1=exp(Lnr1);
    r2=exp(Lnr2);

  
   A1=4.1973;A2=3.4337;
   B1=1575.0;B2=1413.0;
   C1=-34.29;C2=-44.25;
    t=70;
    T=t+273.15;
   
    P10=exp(A1-B1/(C1+t));
    P20=exp(A2-B2/(C2+t));
   
   
  
    P=x1*r1*P10+x2*r2*P20
    % P-×Üѹ£»P10-ÎïÖÊ1µÄ±¥ºÍÕôÆûѹ£»P20-ÎïÖÊ2µÄ±¥ºÍÕôÆûѹ.   µ¥Î»£ºKpa

    y1cal=x1*r1*P10/P
    y2cal=x2*r2*P20/P
   %------------------------------
    Y=abs(y1-y1cal); %Y-±¾´Î¼ÆËãµãµÄ¾ø¶ÔÎó²î
    YY=YY+Y;      %YY-ÒѼÆËãµãµÄ¾ø¶ÔÎó²îÖ®ºÍ
   %-------------------------------
   MM=abs((y1-y1cal)./y1);
   YYY=YYY+MM;
   %------------------
   m=abs(y1cal-y1);
   M(1,i)=m;
%-----------------------
    FF=(y1cal-y1).^2+(y2cal-y2).^2;
    FFF=FFF+FF;%Ä¿±êº¯Êý
    %a=log(r1/r2);
    %b=log(r1)/x2^2;
   % c=-log(r2)/x1^2;
    end
f=FFF;

fata=YY/i%ƽ¾ùÆ«²î
sigma=YYY/i%ƽ¾ùÏà¶ÔÆ«²î
sigmaM=max(M)%×î´óÆ«²î

[ Last edited by cooler8395 on 2009-8-3 at 20:45 ]
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cooler8395

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3Â¥2009-08-03 18:44:12
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4Â¥2009-11-10 16:29:19
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cooler8395(½ð±Ò+10,VIP+0): 11-10 16:30
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