Znn3bq.jpeg
²é¿´: 928  |  »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

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
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

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
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼²©] ²©Ê¿×Ô¼ö +6 ¿É¿ÉСÅÖ 2026-04-08 6/300 2026-04-10 04:56 by Îâѧͨ
[¿¼ÑÐ] ²ÄÁÏÀà284µ÷¼Á +32 Ïë»»ÊÖ»ú²»Ïë½âÊ 2026-04-08 37/1850 2026-04-09 23:20 by parmtree
[¿¼ÑÐ] 296Çóµ÷¼Á +6 Íô£¡£¿£¡ 2026-04-09 6/300 2026-04-09 20:49 by lbsjt
[¿¼ÑÐ] 367Çóµ÷¼Á +10 hffQAQ 2026-04-09 10/500 2026-04-09 18:06 by lijunpoly
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á325·Ö +13 15771691647 2026-04-04 15/750 2026-04-09 16:55 by 15771691647
[¿¼ÑÐ] 083200 ³õÊÔ305·Ö Çóµ÷¼Á Ôݲ»¿¼ÂÇ¿çרҵ +15 Claireyyyy 2026-04-09 15/750 2026-04-09 16:11 by zhuimr
[¿¼ÑÐ] 085404 293Çóµ÷¼Á +7 ÓÂÔ¶¿â°®314 2026-04-08 7/350 2026-04-09 16:02 by Öí»á·É
[¿¼²©] ²ÄÁÏ·½Ïò¿¼²©£¬ÇóÍÆ¼ö +3 ÑÔÓïaaa 2026-04-05 4/200 2026-04-08 22:22 by nxgogo
[¿¼ÑÐ] Ò»Ö¾Ô¸ÉúÎïÓëÒ½Ò©£¬296·Ö£¬Çóµ÷¼Á +14 66¹ 2026-04-03 16/800 2026-04-08 10:38 by tjzhao
[¿¼ÑÐ] µ÷¼Á +3 µçÆø300Çóµ÷¼Á²» 2026-04-08 6/300 2026-04-08 09:39 by µçÆø300Çóµ÷¼Á²»
[¿¼ÑÐ] 263·ÖBÇøÇóµ÷¼Á +6 Àînihao 2026-04-08 6/300 2026-04-08 09:38 by ÄÏ¿ªÐ¡ôë
[¿¼ÑÐ] 304Çóµ÷¼Á£¨085602£¬¹ýËļ¶£¬Ò»Ö¾Ô¸985£© +25 »¯¹¤ÈË999 2026-04-04 26/1300 2026-04-07 22:06 by hemengdong
[¿¼ÑÐ] ²ÄÁÏÇóµ÷¼Á +18 Ò»ÑùYWY 2026-04-05 18/900 2026-04-07 15:49 by dxlg
[¿¼ÑÐ] 307Çóµ÷¼Á +3 Youth@@ 2026-04-07 3/150 2026-04-07 09:25 by СºÚ²»ÅÂÄÑ
[¿¼ÑÐ] Çóµ÷¼Á +5 С›g 2026-04-03 5/250 2026-04-06 22:45 by 875465
[¿¼ÑÐ] 26×ÔÈ»µØÀíѧ303·ÖÇóµ÷¼Á +4 Ò»Õ½³É˶°¡°¡°¡° 2026-04-06 9/450 2026-04-06 20:35 by lin-da
[¿¼ÑÐ] Ò»Ö¾Ô¸¹þ¶û±õ¹¤Òµ´óѧ085600Ó¢Ò»Êý¶þ337·ÖÇóµ÷¼Á +12 lyz0427 2026-04-03 12/600 2026-04-06 06:37 by houyaoxu
[¿¼ÑÐ] 283Çóµ÷¼Á +5 baiiyu 2026-04-05 6/300 2026-04-05 20:35 by à£à£à£0119
[¿¼ÑÐ] 085500»úеר˶³õÊÔ288Çóµ÷¼Á +3 GZJguo666- 2026-04-05 3/150 2026-04-05 18:06 by jkddd
[¿¼ÑÐ] 319Çóµ÷¼Á +4 ÐÇÐDz»Õ£ÑÛà¶ 2026-04-03 4/200 2026-04-04 16:25 by ÖзÉÔº¿Õ¹ÜѧԺÑ
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û