www.pudn.com > Ukf.zip > sigmacal.m, change:2005-08-18,size:763b


function [Sg11,Sg12,Sg13,Sg21,Sg22,Sg23,Sg31,Sg32,Sg33] = sigmacal(mn1,CV1,mn2,Qo,mn3,Ro,lam); 
 
%--------------------------------------------------------------- 
Sg11 = mn1; 
Xi = lam*sqrt(CV1); 
Xin = lam*sqrt(CV1); 
Sg12 = mn1 + Xi; 
Sg13 = mn1 - Xin; 
%--------------------------------------------------------------- 
Sg21 = mn2; 
Xi = lam*sqrt(Qo); 
Xin = lam*sqrt(Qo); 
Sg22 = mn2 + Xi; 
Sg23 = mn2 - Xin; 
%--------------------------------------------------------------- 
Sg31 = mn3; 
Xi = lam*sqrt(Ro); 
Xin = lam*sqrt(Ro); 
Sg32 = mn3 + Xi; 
Sg33 = mn3 - Xin; 
%--------------------------------------------------------------- 
Sg1 = [Sg12 Sg13]; 
Sg2 = [Sg22 Sg23]; 
Sg3 = [Sg32 Sg33]; 
%---------------------------------------------------------------