²é¿´: 1319  |  »Ø¸´: 12
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

z770428

½ð³æ (ÕýʽдÊÖ)


[ÇóÖú] ÐÞ¸ÄMATLAB Öв¿·ÖÔªËØ

¸÷λ¸ßÊÖ,ÎÒÓÐÒ»¸ö147*147µÄ¾ØÕóA,ÇëÎÊÈçºÎ±à³ÌʵÏÖAµÄµÄµÚ1ÖÁ6,µÚ121ÖÁ126
¸ö¶Ô½ÇÏßÔªËØ±äΪԭÀ´¸÷×ÔµÄ10^10±¶,¶ø±£³ÖA µÄÆäËûÔªËØ²»±ä
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

z770428

½ð³æ (ÕýʽдÊÖ)


ÆäËûµÄÔªËØ±ÈÈçA(147,147)=0
8Â¥2012-09-13 11:16:22
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 13 ¸ö»Ø´ð

chouchao

ľ³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ÔªËØÓÖ²»¶à£¬Ö±½ÓÒýÓò»¾Í³ÉÁË¡£
2Â¥2012-09-13 09:35:53
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

friendchj

Ìú¸Ëľ³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ÊÔÊÔÕâÑù
for i=1:6
    A(i,i)=A(i,i)*10^10;
    A(i+120,i+120)=A(i+120,i+120)*10^10;
end
3Â¥2012-09-13 09:51:50
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

z770428

½ð³æ (ÕýʽдÊÖ)


ÒýÓûØÌû:
3Â¥: Originally posted by friendchj at 2012-09-13 09:51:50
ÊÔÊÔÕâÑù
for i=1:6
    A(i,i)=A(i,i)*10^10;
    A(i+120,i+120)=A(i+120,i+120)*10^10;
end

ÎÒÊÔÁ˶¼²»ÐÐ,ÆäËûÔªËØÈ«±äΪ0 ÁË,Ôõô»ØÊÂ
4Â¥2012-09-13 11:07:07
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 292Çóµ÷¼Á +4 ¶ì¶ì¶ì¶î¶î¶î¶î¶ 2026-03-25 4/200 2026-03-25 10:37 by barlinike
[¿¼ÑÐ] Ò»Ö¾Ô¸ Î÷±±´óѧ £¬070300»¯Ñ§Ñ§Ë¶£¬×Ü·Ö287£¬Ë«·ÇÒ»±¾£¬Çóµ÷¼Á¡£ +4 ³¿»èÏßÓëÐǺ£ 2026-03-20 4/200 2026-03-25 10:16 by allen-yin
[¿¼ÑÐ] 07»¯Ñ§280·ÖÇóµ÷¼Á +7 722865 2026-03-23 7/350 2026-03-25 09:29 by aa331100
[¿¼ÑÐ] 289²ÄÁÏÓ뻯¹¤£¨085600£©BÇøÇóµ÷¼Á +4 ÕâôÃû×ÖÕ¦Ñù 2026-03-22 5/250 2026-03-25 08:20 by mx.yue
[¿¼ÑÐ] ÉϺ£µçÁ¦´óѧ²ÄÁÏ·À»¤ÓëвÄÁÏÖØµãʵÑéÊÒÕÐÊÕµ÷¼ÁÑо¿Éú£¨²ÄÁÏ¡¢»¯Ñ§¡¢µç»¯Ñ§£¬»·¾³£© +4 ÎÒ°®Ñ§µç³Ø 2026-03-23 4/200 2026-03-25 00:59 by 1027_324
[¿¼ÑÐ] ²ÄÁÏѧ˶333Çóµ÷¼Á +3 ±±µÀÏï 2026-03-24 3/150 2026-03-24 19:17 by pswait
[¿¼ÑÐ] ²ÄÁÏ292µ÷¼Á +8 éÙËÌ˼ÃÀÈË 2026-03-23 8/400 2026-03-24 16:33 by laoshidan
[¿¼²©] É격26Äê +4 °Ë6°Ë68 2026-03-19 4/200 2026-03-24 15:49 by СBenºÇºÇ
[¿¼ÑÐ] 307Çóµ÷¼Á +3 ÓàÒâÇä 2026-03-21 6/300 2026-03-24 15:03 by ÓàÒâÇä
[¿¼ÑÐ] 305·ÖÇóµ÷¼Á£¨Ê³Æ·¹¤³Ì£© +5 Sxy112 2026-03-21 7/350 2026-03-24 12:27 by 544594351
[¿¼ÑÐ] 085404µç×ÓÐÅÏ¢284·ÖÇóµ÷¼Á +4 13659058978 2026-03-24 4/200 2026-03-24 12:15 by syl20081243
[¿¼ÑÐ] ʯºÓ×Ó´óѧ£¨211¡¢Ë«Ò»Á÷£©Ë¶²©Ñо¿Éú³¤ÆÚÕÐÉú¹«¸æ +3 Àî×ÓÄ¿ 2026-03-22 3/150 2026-03-22 21:01 by ÔõôÊÍ»³
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤085600£¬×Ü·Ö304£¬±¾¿ÆÓÐÁ½Æªsci²ÎÓ룬Çóµ÷¼Á +4 ÐÒÔ˵Ľ´½´ 2026-03-22 5/250 2026-03-22 20:15 by edmund7
[¿¼ÑÐ] Çóµ÷¼Á +7 Auroracx 2026-03-22 7/350 2026-03-22 12:38 by ËØÑÕÇã³Ç1988
[¿¼ÑÐ] 311Çóµ÷¼Á +3 Ó¸ҵÄСÎâ 2026-03-20 3/150 2026-03-21 17:40 by ColorlessPI
[¿¼ÑÐ] 304Çóµ÷¼Á +6 ÂüÊâ2266 2026-03-18 6/300 2026-03-21 00:32 by JourneyLucky
[¿¼ÑÐ] 22408 344·Ö Çóµ÷¼Á Ò»Ö¾Ô¸ »ªµç¼ÆËã»ú¼¼Êõ +4 solanXXX 2026-03-20 4/200 2026-03-20 23:49 by alg094825
[¿¼ÑÐ] 308Çóµ÷¼Á +3 °¢½ã°¢½ã¼Ò°¡ 2026-03-18 3/150 2026-03-20 23:24 by JourneyLucky
[¿¼ÑÐ] 329Çóµ÷¼Á +9 ÏëÉÏѧ߹߹ 2026-03-19 9/450 2026-03-20 22:01 by luoyongfeng
[¿¼ÑÐ] 086500 325 Çóµ÷¼Á +3 Áì´øÐ¡ÐÜ 2026-03-19 3/150 2026-03-20 18:38 by ¾¡Ë´Ò¢1
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û