Znn3bq.jpeg
²é¿´: 635  |  »Ø¸´: 7
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

com_stu_zhang

ľ³æ (ÕýʽдÊÖ)

ÓñÃ×´óè

[ÇóÖú] matlab»­Í¼

×ø±êΪx£¬y£¬z
ÆäÖÐ
1¡¢0= 2¡¢x+y+z=1

Çómatlab»­Í¼Ô´´úÂë¡£


Ò»°ãÀ´ËµÈý¸ö×ø±êÖá½»ÓÚ£¨0,0,0£©£¬Èç¹ûÈÃÈý¸ö×ø±êÖá½»ÓÚ£¨0,1,0£©Ôõô»­Í¼£¬¾ÍÔÚµÚÒ»¸öͼµÄ»ù´¡ÉÏÏ൱ÓÚ°ÑYÖᷭתһÏ¡£¡£


Çó½â¡£¡£
»Ø¸´´ËÂ¥
×ßNBµÄ·£¬ÈÃSB˵ȥ°É£¡£¡£¡
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dbb627

ÈÙÓþ°æÖ÷ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
com_stu_zhang(½ð±Ò+5): лл£¡11111 2011-11-15 17:02:33
ÓàÔó³É(½ð±Ò+1): лл²ÎÓëÓ¦Öú£¡»¶Ó­³£À´³ÌÐòÓïÑ԰棡 2011-11-16 11:18:09
ÒýÓûØÌû:
4Â¥: Originally posted by com_stu_zhang at 2011-11-15 16:49:04:
µÚÒ»´ÎÓÃÕâ¸ö»­Í¼£¬Äܲ»ÄܽâÊÍÏÂ

z(z<0 |z>1)=NaN;

ºÍ

view([28,40])

µÄÒâ˼£¬Ð»Ð»ÁË¡£

z(z<0 |z>1)=NaN;
±íʾz<0 »òÕßz>1ÊÇ£¬½«zÖµÉèΪNaN NaN±íʾNot a number Ëû²»¸Ä±äzµÄάÊý£¬½«Âú×ãÒ»¶¨Ìõ¼þÊý¾ÝĨ³ý¡£

view([28,40]) ÊÇÈýάͼµÄÊӽǰüÀ¨ £º·½Î»½Ç¡¢Ñö½Ç
The more you learn, the more you know, the more you know, and the more you forget. The more you forget, the less you know. So why bother to learn.
5Â¥2011-11-15 16:53:52
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 8 ¸ö»Ø´ð

com_stu_zhang

ľ³æ (ÕýʽдÊÖ)

2Â¥2011-11-15 13:51:52
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dbb627

ÈÙÓþ°æÖ÷ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
jjdg(½ð±Ò+1): ¸Ðл²ÎÓë 2011-11-16 01:50:36
x=0:0.05:1;
y=x;
[x,y]=meshgrid(x,y);
z=1-x-y;
z(z<0 |z>1)=NaN;
mesh(x,y,z)
view([28,40])
The more you learn, the more you know, the more you know, and the more you forget. The more you forget, the less you know. So why bother to learn.
3Â¥2011-11-15 14:42:50
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

com_stu_zhang

ľ³æ (ÕýʽдÊÖ)

ÓñÃ×´óè

ÒýÓûØÌû:
3Â¥: Originally posted by dbb627 at 2011-11-15 14:42:50:
x=0:0.05:1;
y=x;
[x,y]=meshgrid(x,y);
z=1-x-y;
z(z<0 |z>1)=NaN;
mesh(x,y,z)
view([28,40])

µÚÒ»´ÎÓÃÕâ¸ö»­Í¼£¬Äܲ»ÄܽâÊÍÏÂ

z(z<0 |z>1)=NaN;

ºÍ

view([28,40])

µÄÒâ˼£¬Ð»Ð»ÁË¡£
×ßNBµÄ·£¬ÈÃSB˵ȥ°É£¡£¡£¡
4Â¥2011-11-15 16:49:04
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÖÐũ΢ÉúÎ288·Ö£¬ÈýÄêʵÑé¾­Àú +3 ´úfish 2026-04-09 3/150 2026-04-09 12:20 by ÐìÁ¼°×ü´óÏÀ
[¿¼ÑÐ] 086003µ÷¼ÁÇóÖú +13 ËÕß®Íò 2026-04-09 14/700 2026-04-09 11:35 by yongzhesheng
[¿¼ÑÐ] 280Çóµ÷¼Á +5 ÙâÙâÒ¹Ò¹ 2026-04-09 8/400 2026-04-09 11:15 by ÙâÙâÒ¹Ò¹
[¿¼ÑÐ] 328Çóµ÷¼Á +17 lftmya 2026-04-07 18/900 2026-04-09 08:05 by 5268321
[¿¼ÑÐ] »úеר˶273ÇëÇóµ÷¼Á +6 ¸ýÉêÈÉÉê 2026-04-07 6/300 2026-04-08 22:41 by bljnqdcc
[¿¼ÑÐ] 266Çóµ÷¼Á +18 ÑôÑôÍÛÈû 2026-04-07 18/900 2026-04-08 12:59 by grayjzr
[¿¼ÑÐ] 304Çóµ÷¼Á +10 ËØÄê¼ÀÓï 2026-04-06 17/850 2026-04-08 09:05 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 338Çóµ÷¼Á +5 СÖíºìÉ« 678 2026-04-06 6/300 2026-04-07 21:18 by ÇÇßÕßÕßÕ
[¿¼ÑÐ] Ò»Ö¾Ô¸Ö£ÖÝ´óѧ²ÄÁÏÓ뻯¹¤085600£¬Çóµ÷¼Á +34 ³ÔµÄ²»ÉÙ 2026-04-02 34/1700 2026-04-07 20:01 by lrll?l
[¿¼ÑÐ] ÉúÎïµ÷¼Á +5 ³È×Ó³È×Ó³È×Ó°¡ 2026-04-05 9/450 2026-04-07 15:31 by Éϰ¶¿ì¿ì
[¿¼ÑÐ] 372·Ö²ÄÁÏÓ뻯¹¤£¨085600£©Ó¢¶þÊý¶þÇóµ÷¼Á +4 À¶¼ãƬ 2026-04-06 4/200 2026-04-07 12:30 by dongzh2009
[¿¼ÑÐ] ¹¤¿Æ370Çóµ÷¼Á +3 äçÐļ弦µ° 2026-04-05 3/150 2026-04-06 10:55 by ÕâÊÇÒ»¸öÎÞÁĵÄê
[¿¼ÑÐ] ¿¼ÑÐÉúÎïѧ¿¼AÇø211£¬³õÊÔ322£¬¿ÆÄ¿Éú»¯ºÍÉúÎï×ۺϣ¬Çóµ÷¼Á +6 ¡£¡£¡£54 2026-04-03 6/300 2026-04-05 14:54 by JOKER0401
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +12 Ò»ÑùYWY 2026-04-04 12/600 2026-04-05 08:24 by 544594351
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤306·ÖÕÒµ÷¼Á +12 ²×º£ÇáÖÛe 2026-04-03 13/650 2026-04-04 23:45 by lqwchd
[¿¼ÑÐ] 283·ÖÇóµ÷¼Á +7 СÄô°®Ñ§Ï° 2026-04-03 7/350 2026-04-04 21:51 by hemengdong
[¿¼ÑÐ] Çóµ÷¼Á +8 akdhjs 2026-04-03 8/400 2026-04-03 18:17 by ´÷άING
[¿¼ÑÐ] 338Çóµ÷¼Á +4 zzz£¬£¬r 2026-04-03 4/200 2026-04-03 16:39 by lijunpoly
[¿¼ÑÐ] 330Çóµ÷¼Á +3 °×ÉñÎØºôºô 2026-04-02 3/150 2026-04-03 10:15 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 295Çóµ÷¼Á +7 Ô¸ÂÃ;ÓÀԶ̹Ȼ 2026-04-02 7/350 2026-04-03 08:22 by fangshan711
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û