function?alpha=armij（d0x0）
%?Armijo?step
alpha=1;
pho=1/2;
sigma=0.5;
itermax=10;
d=d0;
for?i=1:itermax
????x1=x0+alpha*d;
????f1=fun0（x1）;
????f0=fun0（x0）;
????df=fund（x0）‘*d;
????if?f1-f0>sigma*alpha*df
???????alpha=pho*alpha;
????else
????????alpha=alpha;
????????break
????end
end
end

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----
?????目錄???????????0??2012-03-08?12:44??newton法\
?????文件?????????312??2012-02-23?19:14??newton法\armij.m
?????文件?????????549??2011-05-16?22:44??newton法\choleskysol.m
?????文件????????1029??2012-03-07?15:47??newton法\deepest.m
?????文件?????????205??2012-02-23?19:06??newton法\diffm.m
?????文件??????????67??2012-02-23?18:59??newton法\fun0.asv
?????文件??????????68??2012-02-23?19:00??newton法\fun0.m
?????文件??????????86??2012-02-23?10:13??newton法\fund.m
?????文件?????????451??2011-05-16?22:43??newton法\lowersol.m
?????文件?????????346??2011-05-16?22:12??newton法\mdff2.m
?????文件????????1043??2012-03-07?15:35??newton法\newton.asv
?????文件????????1043??2012-03-07?15:37??newton法\newton.m
?????文件????????1040??2012-02-23?20:15??newton法\newtonamj.m
?????文件????????1028??2012-02-23?19:59??newton法\newtont.asv
?????文件????????1078??2012-02-23?20:15??newton法\newtont.m
?????文件??????????51??2012-02-23?18:06??newton法\test.asv
?????文件?????????171??2012-03-07?15:44??newton法\test.m
?????文件?????????479??2011-05-16?22:42??newton法\uppersol.m
?????文件?????????741??2012-02-23?19:06??newton法\wolfe.m
?????文件?????????432??2012-03-08?12:45??newton法\程序清單.txt