±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 916  |  »Ø¸´: 8
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

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)))'];

ÕâÊÇ´úÂ룬×ÜÊDZ¨´í£¬°ï濴һϰÉ
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

change0618

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

·½ÕÉ´óʦ

¡ï
jjdg: ½ð±Ò+1, ¸Ðл²ÎÓë 2014-06-04 00:47:13
´ÓÕâ¸öfunction y= myfun2(x)º¯Êý¿ÉÒÔ¿´³öx(1)²»ÄÜ´óÓÚ1Ò²²»ÄÜСÓÚ0£¬´óÓÚ1Ôò((1-x(1))^(a/(a-1))Ϊ¸ºÊý£¬Ð¡ÓÚ0Ôòx(1)^(1/(1-a))Ϊ¸ºÊý£¬µ«ÔÚwhileÑ­»·ÖÐx1=x0-myfun2(x0)/aÄÑÃâ³öÏÖÕâÖÖÇé¿ö£¬ËùÒÔÔÚq=myfun2(x1)-myfun(x0)ʱ³öÏÖ´íÎó¡£

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

5Â¥2014-06-02 14:30:13
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£¿

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

charmantang

½û³æ (ÕýʽдÊÖ)

¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
jjdg: ½ð±Ò+1, ¸Ðл²ÎÓë 2014-06-04 00:47:27
±¾ÌûÄÚÈݱ»ÆÁ±Î

4Â¥2014-06-01 18:18:15
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 311Çóµ÷¼Á +4 ¶¬Ê®Èý 2026-03-24 4/200 2026-03-28 13:17 by ÌÆãå¶ù
[¿¼ÑÐ] ²ÄÁÏÇóµ÷¼Á +9 @taotao 2026-03-21 9/450 2026-03-28 13:11 by ÌÆãå¶ù
[¿¼ÑÐ] 0703»¯Ñ§ +8 ÄÝÄÝninicgb 2026-03-27 8/400 2026-03-28 12:57 by °´Ê±µ½¸ÚÈö½¿
[¿¼ÑÐ] 0856£¬²ÄÁÏÓ뻯¹¤321·ÖÇóµ÷¼Á +12 ´ó²öС×Ó 2026-03-27 13/650 2026-03-28 10:56 by self2008
[¿¼ÑÐ] 286Çóµ÷¼Á +4 ¶ªµôÀÁ¶è 2026-03-27 7/350 2026-03-28 08:07 by baoball
[¿¼ÑÐ] 086000µ÷¼Á +3 7901117076 2026-03-26 3/150 2026-03-27 21:34 by Jianing_Mi
[¿¼ÑÐ] ¿¼Ñе÷¼Á +4 Sanmu-124 2026-03-26 4/200 2026-03-27 17:49 by kiokin
[¿¼ÑÐ] 287Çóµ÷¼Á +10 land xuxu 2026-03-26 10/500 2026-03-27 15:33 by ÅÁ¶ûÂíÀ­ÌØ
[ÂÛÎÄͶ¸å] Journal of Mechanical Science and Technology +3 Russ_ss 2026-03-25 5/250 2026-03-27 10:49 by ½С¹û»­´ó±ý
[¿¼ÑÐ] 304²ÄÁÏÇóµ÷¼Á +4 ÖÓllll 2026-03-26 4/200 2026-03-27 03:42 by wxiongid
[¿¼ÑÐ] Ò»Ö¾Ô¸Ö£ÖÝ´óѧ£¬080500ѧ˶£¬×Ü·Ö317·ÖÇóµ÷¼Á +4 ¾Ù¸öÀõ×Óoi 2026-03-24 5/250 2026-03-26 23:15 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 289Çóµ÷¼Á +17 ˶ÐǸ° 2026-03-23 17/850 2026-03-26 16:18 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 303Çóµ÷¼Á +6 À¶É½Ô 2026-03-25 6/300 2026-03-25 22:47 by 418490947
[¿¼ÑÐ] ¿¼ÑÐÒ»Ö¾Ô¸ËÕÖÝ´óѧ³õʼ315£¨Ó¢Ò»£©Çóµ÷¼Á +3 sbdksD 2026-03-24 4/200 2026-03-25 18:16 by xcjcqu
[¿¼ÑÐ] 282Çóµ÷¼Á +3 wcq131415 2026-03-24 3/150 2026-03-25 12:16 by userper
[¿¼ÑÐ] 289²ÄÁÏÓ뻯¹¤£¨085600£©BÇøÇóµ÷¼Á +4 ÕâôÃû×ÖÕ¦Ñù 2026-03-22 5/250 2026-03-25 08:20 by mx.yue
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á£¬Çóµ¼Ê¦ÊÕ +7 ÌìÌìºÃÔËÀ´Éϰ¶° 2026-03-24 7/350 2026-03-24 20:26 by peike
[¿¼ÑÐ] ²ÄÁÏר˶ÕÒµ÷¼Á +5 ¹þ¹þ¹þºðºðºð¹þ 2026-03-23 5/250 2026-03-24 19:07 by ÁËÁËÁËÁË¡£¡£
[¿¼ÑÐ] Ò»Ö¾Ô¸¹ú¿Æ¹ý³ÌËù081700£¬274Çóµ÷¼Á +3 ÈýË®ÑÐ0Ë®Á¢·½ 2026-03-23 3/150 2026-03-23 23:11 by MajorWen
[¿¼ÑÐ] 315·Ö£¬³ÏÇóµ÷¼Á£¬²ÄÁÏÓ뻯¹¤085600 +3 13756423260 2026-03-22 3/150 2026-03-22 20:11 by edmund7
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û