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gzy_103

½ð³æ (ÕýʽдÊÖ)

[ÇóÖú] Çó½â·½³Ì×é ÒÑÓÐ2È˲ÎÓë

function y=broyden(x0)
a=eye(length(x0));
x1=x0-myfun2(x0)/a;
n=1;
while(norm(x1-x0)>=1.0e-6)&(n<=100000000)
    x0=x1;
    x1=x0-myfun2(x0)/a;
    p=x1-x0;
    q=myfun2(x1)-myfun(x0);
    a=a+(q-p*a)'*p/norm(p);
    n=n+1;
end
y=x1;
n
function y= myfun2(x)
a=2.6;
y=['x(1)*0.4-0.21+x(2)*0.6','x(2)-x(1)^(1/(1-a))*(2/3)*((1-x(1))^(a/(a-1))*(0.21/0.79)^(a/(a-1))-x(1)^(1/(1-a)))'];

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gzy_103

½ð³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
7Â¥: Originally posted by ·½ÇÚ1 at 2014-06-03 22:13:42
myfun2(x0) Õâ¸ö´úÂë¿ÉÒÔ´Ó¿â´æÖе÷Óã¿ÊDz»ÊÇÄã×Ô¼ºÈ¡µÄÃû¶øÒÑ£¿

myfun2ÊÇÎÒ×Ô¼º¶¨ÒåµÄ

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8Â¥2014-06-04 11:28:32
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 9 ¸ö»Ø´ð

ÏÉľӳÔÂ

½ð³æ (ÕýʽдÊÖ)

myfun2(x)ÓÐµãÆæ¹Ö°¡£¬¶¼·ÅÔÚÒýºÅÀïÄÜÔËËãô£¿
Hardtosay.
2Â¥2014-05-30 21:19:01
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

gzy_103

½ð³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by ÏÉľӳÔ at 2014-05-30 21:19:01
myfun2(x)ÓÐµãÆæ¹Ö°¡£¬¶¼·ÅÔÚÒýºÅÀïÄÜÔËËãô£¿

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3Â¥2014-05-30 21:29:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

charmantang

½û³æ (ÕýʽдÊÖ)

¡ï
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jjdg: ½ð±Ò+1, ¸Ðл²ÎÓë 2014-06-04 00:47:27
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4Â¥2014-06-01 18:18:15
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