function?Conjugate_grads_method
%This?function?applies?only?the?function?like
%this:fx=X1^2+X2^2-X1*X2-10*X1-4*X2+60

syms?X1?X2?real;
fx=X1^2+X2^2-X1*X2-10*X1-4*X2+60;
X0=[0;0];
e=0.0001;
k=0;
n=2;
t=1;
N=100;
S0_f=[diff（fxX11）;diff（fxX21）];
value_S0_1=inline（vectorize（S0_f（1））‘X1‘‘X2‘）;
value_S0_2=inline（vectorize（S0_f（2））‘X1‘‘X2‘）;
S0=-[value_S0_1（X0（1）X0（2））;value_S0_2（X0（1）X0（2））];
options=optimset（‘Display‘‘off‘）;
fx_value=inline（vectorize（fx）‘X1‘‘X2‘）;

while?sqrt（sum（S0.^2））>e&k????t=t+1;
????k=k+1;
????if?k==（n+1）
????????k=0;
????????S0_f=[diff（fxX11）;diff（fxX21）];
????????value_S0_1=inline（vectorize（S0_f（1））‘X1‘‘X2‘）;
????????value_S0_2=inline（vectorize（S0_f（2））‘X1‘‘X2‘）;
????????S0=-[value_S0_1（X0（1）X0（2））;value_S0_2（X0（1）X0（2））];
????end
????syms?r?real;
????XX=X0+r.*S0;
????r_fx=fx_value（XX（1）XX（2））;
????diff_r_fx=inline（vectorize（diff（r_fxr1））‘r‘）;
????r=fzero（diff_r_fx1options）;
????X=X0+r.*S0;
????grad_S1=[value_S0_1（X（1）X（2））;value_S0_2（X（1）X（2））];
????bk=sum（grad_S1.^2）/sum（S0.^2）;
????S0=-grad_S1+bk*S0;
????X0=X;
end
disp（k）;
disp（X0）;

????????
????????

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件???????1170??2007-11-17?23:26??Conjugate_grads_method.m

?????文件???????2090??2007-11-22?19:41??ExteriorPenaltyFunctionMethod.m

?????文件????????959??2007-11-20?22:22??InteriorPenaltyFunctionMethod.m

?????文件???????1108??2007-11-12?17:39??Jacobi_iterative_method.m

?????文件????????701??2007-11-14?15:53??Conjugate_grad_2d.m

?????文件???????2655??2007-11-22?21:29??LinearCofficientMethod.m

-----------?---------??----------?-----??----

?????????????????8683????????????????????6