²é¿´: 887  |  »Ø¸´: 6

ÓÄÓÄÓÆÓÆÓÂ

Òø³æ (СÓÐÃûÆø)

[ÇóÖú] ÇóÖú£¡ÈçºÎÕÒµ½Âú×ãijһÌõ¼þµÄ£¨x,y) ÒÑÓÐ2È˲ÎÓë

¾Ù¸öÀý×Ó£ºu=-5:0.2:10;
                t=-10:0.2:0;
                [U,T]=meshgrid(u,t);
                I=U+T;
ÏëÕÒµ½Âú×ãI>0µÄ[U,T]¡£´úÂë¸ÃÈçºÎд£¬·Ç³£¸Ðл
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

ÓÄÓÄÓÆÓÆÓÂ

Òø³æ (СÓÐÃûÆø)

Íü¼Ç˵ÁË£¬ÊÇÓõÄMATLAB
2Â¥2014-10-09 09:51:15
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÔÂÖ»À¶

Ö÷¹ÜÇø³¤ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
MATLABµÄ find º¯Êý¿ÉʵÏÖ
¾ßÌå help find
MATLAB¡¢MSСÎÊÌâ¡¢ÆÕͨÎÊÌâÇë·¢ÌûÇóÖú£¡Ê±¼ä¾«Á¦ÓÐÏÞ£¬Ë¡²»½ÓÊÜÎÞ³¥Ë½ÐÅÇóÖú¡£
3Â¥2014-10-09 13:34:35
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÓÄÓÄÓÆÓÆÓÂ

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
3Â¥: Originally posted by ÔÂÖ»À¶ at 2014-10-09 13:34:35
MATLABµÄ find º¯Êý¿ÉʵÏÖ
¾ßÌå help find

help find¿´¹ý£¬»¹ÊDz»Çå³þ£¬findÃüÁîÕÒµ½µÄÊÇÔªËØµÄλÖã¬ÎÒÏëµÃµ½Âú×ãÌõ¼þµÄuºÍtµÄ·¶Î§£¬Äܲ»ÄÜÔÙ¾ßÌ彲һϣ¬·Ç³£¸Ðл
4Â¥2014-10-09 16:07:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dbb627

ÈÙÓþ°æÖ÷ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ÓÄÓÄÓÆÓÆÓÂ: ½ð±Ò+30, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, ·Ç³£¸Ðл 2014-10-12 10:19:50
u=-5:0.2:10;
t=-10:0.2:0;
[U,T]=meshgrid(u,t);
I=U+T;
I(I<=0)=NaN;
mesh(U,T,I)
figure
X=find(I>0);
figure
plot(U(X),T(X),'.')
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¥2014-10-09 17:22:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÓÄÓÄÓÆÓÆÓÂ

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
5Â¥: Originally posted by dbb627 at 2014-10-09 17:22:14
u=-5:0.2:10;
t=-10:0.2:0;
=meshgrid(u,t);
I=U+T;
I(I<=0)=NaN;
mesh(U,T,I)
figure
X=find(I>0);
figure
plot(U(X),T(X),'.')

·Ç³£¸Ðл£¬ÎÒÊÔÁËһϣ¬³öÏÖÁËÈýÕÅͼ£¬ÆäÖÐfigure2ÊÇ¿Õͼ£¬²»Ì«Ã÷°×£¬Çë´óÏÀÔÙÖ¸µãһϣ¬Ð»Ð»
6Â¥2014-10-12 10:02:02
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dbb627

ÈÙÓþ°æÖ÷ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
6Â¥: Originally posted by ÓÄÓÄÓÆÓÆÓÂ at 2014-10-12 10:02:02
·Ç³£¸Ðл£¬ÎÒÊÔÁËһϣ¬³öÏÖÁËÈýÕÅͼ£¬ÆäÖÐfigure2ÊÇ¿Õͼ£¬²»Ì«Ã÷°×£¬Çë´óÏÀÔÙÖ¸µãһϣ¬Ð»Ð»...

u=-5:0.2:10;
t=-10:0.2:0;
[U,T]=meshgrid(u,t);
I=U+T;
I(I<=0)=NaN;
mesh(U,T,I)  %z  aixs display I>0
X=find(I>0);
figure
plot(U(X),T(X),'.') % plot Âú×ãI>0µÄ[U,T]
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.
7Â¥2014-10-12 10:08:05
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ÓÄÓÄÓÆÓÆÓ µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[»ù½ðÉêÇë] 2026¹ú×ÔÈ»·Å°ñʱ¼ä +4 ²¼²¼ºÍÒ»¶þ 2026-08-08 4/200 2026-08-09 22:24 by otj2008
[¿¼²©] ¡¾2027²©Ê¿ÉêÇë¡¿ÄÉÃ×Ò©ÎïµÝËÍ·½Ïò 20+3 13586093586 2026-08-03 5/250 2026-08-08 21:54 by 13586093586
[»ù½ðÉêÇë] ¹ØÓÚ¶¹Ò¯»Ø´ðµÄJTJCÓë%2FÊýÁ¿ +5 yang182083 2026-08-06 7/350 2026-08-08 18:29 by zhanghaozhu
[˶²©¼ÒÔ°] ÊÛSCIÎÄÕ£¬ÎÒ:8O.5.5.1O.54,¿ÆÄ¿È«,¿ÉÊ®¼± +3 qTvzQBRAHjCi 2026-08-07 4/200 2026-08-08 17:19 by oEVWOejN9taj
[»ù½ðÉêÇë] ÊÛSCIÒ»ÇøT0PÎÄÕ£¬ÎÒ:8.O.55.1.O.54,¿ÆÄ¿ÆëÈ«,¿É+¼± +3 qTvzQBRAHjCi 2026-08-07 5/250 2026-08-08 17:02 by oEVWOejN9taj
[¿¼²©] ÊÛSCIÒ»ÇøT0PÎÄÕ£¬ÎÒ:8O.55.1.O.54,¿ÆÄ¿È«,¿ÉÙ¤¼± +3 Vi50GxzrFcSG 2026-08-07 4/200 2026-08-08 16:27 by oEVWOejN9taj
[»ù½ðÉêÇë] ÊÛSCIÎÄÕ£¬ÎÒ:8O.5.5.1O.54,¿ÆÄ¿È«,¿ÉÊ®¼± +3 Vi50GxzrFcSG 2026-08-07 5/250 2026-08-08 16:27 by oEVWOejN9taj
[ÂÛÎÄͶ¸å] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8.O.55.1.O.54,¿ÆÄ¿ÆëÈ«,¿ÉÙ¤¼± +3 Vi50GxzrFcSG 2026-08-07 6/300 2026-08-08 15:07 by oEVWOejN9taj
[½Ìʦ֮¼Ò] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8.O.55.1.O.54,¿ÆÄ¿ÆëÈ«,¿ÉÙ¤¼± +3 KXLV3nuBVBY7 2026-08-07 5/250 2026-08-08 14:07 by oEVWOejN9taj
[ÂÛÎÄͶ¸å] ÊÛSCIÎÄÕ£¬ÎÒ:8O.5.5.1O.54,¿ÆÄ¿È«,¿ÉÊ®¼± +3 KXLV3nuBVBY7 2026-08-07 6/300 2026-08-08 14:01 by oEVWOejN9taj
[¿¼²©] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8.O.55.1.O.54,¿ÆÄ¿ÆëÈ«,¿ÉÙ¤¼± +3 HEQlVqMTIA7d 2026-08-07 3/150 2026-08-08 03:47 by 6vVgjDL4CnGu
[»ù½ðÉêÇë] »ù½ðÖÐÁË +14 laoda193707 2026-08-06 14/700 2026-08-08 00:23 by ʵÑéС°×ha
[»ù½ðÉêÇë] ¹ØÓÚfilecode +4 ²¼²¼ºÍÒ»¶þ 2026-08-07 7/350 2026-08-07 22:55 by zhanghaozhu
[»ù½ðÉêÇë] ÓéÀÖ +6 Tide man 2026-08-03 6/300 2026-08-07 22:40 by Ìúñ×ÓÅ©Ãñ
[»ù½ðÉêÇë] »¯Ñ§¿Údownload_prp&amp;fileCodeµÄ¹Ì¶¨¶ÎºÃÏñÕ⼸Ììһֱû±ä£¬ÓбäµÄ´óÉñô£¿ +3 Tide man 2026-08-07 4/200 2026-08-07 22:39 by Tide man
[»ù½ðÉêÇë] filecode±ä»¯Çé¿ö +6 ²¼²¼ºÍÒ»¶þ 2026-08-07 22/1100 2026-08-07 14:45 by ÇÒÌý»¢Ð¥
[»ù½ðÉêÇë] filecode +14 µÈ´ý½âµÄÃÕ 2026-08-06 19/950 2026-08-07 12:20 by wlwhappy
[»ù½ðÉêÇë] Çó¸÷λ´óÉñ¿´Ï 100+6 hpkpkpkp 2026-08-05 33/1650 2026-08-06 14:49 by zhiyanjiang
[»ù½ðÉêÇë] ÓÐûÓÐH¿ÚµÄ£¿ÓÐÊÕµ½ÏûÏ¢µÄÂ𣿠+3 ³¬¼¶º£Ïº 2026-08-04 3/150 2026-08-04 17:26 by ѧ½ÌÓýµÎ
[»ù½ðÉêÇë] ´¿ÓéÀÖ£¬²»Ï²»¶ÎðÅç +7 Tide man 2026-08-04 10/500 2026-08-04 15:10 by loufangrui
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û