| ²é¿´: 916 | »Ø¸´: 8 | ||
| µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû | ||
gzy_103½ð³æ (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£¬°ïæ¿´Ò»Ï塃 |
» ²ÂÄãϲ»¶
0703±¾¿ÆÖ£ÖÝ´óѧÇóµ÷¼Á
ÒѾÓÐ3È˻ظ´
311Çóµ÷¼Á
ÒѾÓÐ4È˻ظ´
Ò»Ö¾Ô¸»ªÀí£¬ÊýÒ»Ó¢Ò»285ÇóAÇøµ÷¼Á
ÒѾÓÐ11È˻ظ´
µ÷¼Á310
ÒѾÓÐ5È˻ظ´
321Çóµ÷¼Á
ÒѾÓÐ6È˻ظ´
Çóµ÷¼Á
ÒѾÓÐ7È˻ظ´
349Çóµ÷¼Á
ÒѾÓÐ6È˻ظ´
±¾¿ÆÐÂÄÜÔ´¿ÆÑ§Ó빤³Ì£¬Ò»Ö¾Ô¸»ªÀíÄܶ¯285Çóµ÷¼Á
ÒѾÓÐ4È˻ظ´
²ÄÁÏÇóµ÷¼Á
ÒѾÓÐ9È˻ظ´
299Çóµ÷¼Á
ÒѾÓÐ7È˻ظ´
change0618
Ìú¸Ëľ³æ (ÖøÃûдÊÖ)
·½ÕÉ´óʦ
- Ó¦Öú: 44 (СѧÉú)
- ½ð±Ò: 17724.5
- ºì»¨: 17
- Ìû×Ó: 2413
- ÔÚÏß: 546.7Сʱ
- ³æºÅ: 496517
- ×¢²á: 2008-01-19
- רҵ: »¯Ñ§·´Ó¦¹¤³Ì
¡ï
jjdg: ½ð±Ò+1, ¸Ðл²ÎÓë 2014-06-04 00:47:13
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¡£ |
5Â¥2014-06-02 14:30:13
ÏÉľӳÔÂ
½ð³æ (ÕýʽдÊÖ)
- Ó¦Öú: 93 (³õÖÐÉú)
- ½ð±Ò: 2257.6
- É¢½ð: 51
- ºì»¨: 17
- Ìû×Ó: 608
- ÔÚÏß: 1094.4Сʱ
- ³æºÅ: 1929532
- ×¢²á: 2012-08-08
- ÐÔ±ð: GG
- רҵ: »úÆ÷ÈËѧ¼°»úÆ÷È˼¼Êõ

2Â¥2014-05-30 21:19:01
gzy_103
½ð³æ (ÕýʽдÊÖ)
- Ó¦Öú: 7 (Ó×¶ùÔ°)
- ½ð±Ò: 926.9
- É¢½ð: 65
- ºì»¨: 1
- Ìû×Ó: 343
- ÔÚÏß: 233.4Сʱ
- ³æºÅ: 2562392
- ×¢²á: 2013-07-24
- ÐÔ±ð: GG
- רҵ: ÄÜÔ´»¯¹¤
3Â¥2014-05-30 21:29:34
charmantang
½û³æ (ÕýʽдÊÖ)
¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
jjdg: ½ð±Ò+1, ¸Ðл²ÎÓë 2014-06-04 00:47:27
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
jjdg: ½ð±Ò+1, ¸Ðл²ÎÓë 2014-06-04 00:47:27
|
±¾ÌûÄÚÈݱ»ÆÁ±Î |
4Â¥2014-06-01 18:18:15














»Ø¸´´ËÂ¥
gzy_103