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1) function F = myfun(x,lamda)
a=x(1);
b=x(2);
c=x(3);
d=x(4);
e=x(5);
t=x(6);
F=...£»
end
2)
options = optimset('Algorithm',{'levenberg-marquardt',.005});
[a b c d e t]=lsqcurvefit(@myfun,[1 -1 -0.1 1 -1 1000],lamda,R,[],[],options)
ºóÃæÓ¦¸ÃÔõôÓÃif else±à³Ì²Åʹ R(calulation)ÓëR(exprimental)Ïà½üÄØ£¿±ÈÈçʹ sum((R(i)-Rcal(i))^2)×îС»¯ÓÅ»¯¡£±¾ÈËÒ²ÊdzÌÐò䣬Íû´ó¼Ò¶¦Á¦ÏàÖú£¬ |
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