²é¿´: 3311  |  »Ø¸´: 10
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

ÖðÀË׷ܲ

Í­³æ (ÕýʽдÊÖ)

[½»Á÷] ÈçºÎÔÚoriginÖиù¾ÝÁ½¸ö·½³Ìʽ»ñµÃÇúÏߣ¬È»ºóµÃ³öÊý¾Ý£¿ ÒÑÓÐ2È˲ÎÓë

ÈçÌ⣬·½³ÌʽΪp=100*£¨exp£¨-a*t£©-exp£¨-b*t£©£©£»b/a=1.5£¬ÆäÖÐtÊÇ×Ô±äÁ¿£¬pÊÇÒò±äÁ¿¡£Çë¸÷λ¸ßÊÖ²»Áߴͽ̣¬Ð»Ð»£¡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

xmc7213997

Í­³æ (³õÈëÎÄ̳)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
Â¥Ö÷˵µÄÊDz»ÊÇÏëÓÃÊý¾ÝÄâºÏÄãµÄ¹«Ê½£¿
8Â¥2014-07-12 17:14:11
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 11 ¸ö»Ø´ð

ÔÂÖ»À¶

Ö÷¹ÜÇø³¤ (Ö°Òµ×÷¼Ò)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
°üÀ¨OriginÔÚÄÚµÄ4¿îÈí¼þ²Ù×÷²½Öè²Î¼û£º
http://muchong.com/bbs/viewthread.php?tid=6572963&authorid=1122189
MATLAB¡¢MSСÎÊÌâ¡¢ÆÕͨÎÊÌâÇë·¢ÌûÇóÖú£¡Ê±¼ä¾«Á¦ÓÐÏÞ£¬Ë¡²»½ÓÊÜÎÞ³¥Ë½ÐÅÇóÖú¡£
2Â¥2014-07-11 19:32:10
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÖðÀË׷ܲ

Í­³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by ÔÂÖ»À¶ at 2014-07-11 19:32:10
°üÀ¨OriginÔÚÄÚµÄ4¿îÈí¼þ²Ù×÷²½Öè²Î¼û£º
http://muchong.com/bbs/viewthread.php?tid=6572963&authorid=1122189

²»ÏþµÃÊÇÄãû¿´¶®»¹ÊÇÔõôµÄ£¬ÎÒûÓÐp¡¢tµÄÊý¾Ý£¬ÎÒÊÇÏëͨ¹ý¹«Ê½µÃµ½Êý¾Ý£¬¶ø²»ÊÇͨ¹ýÊý¾ÝÀ´µÃµ½¹«Ê½£¡²»¹ý£¬ºÜ¸ÐлÄ㼰ʱ»Ø¸´£¡
3Â¥2014-07-11 22:49:22
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÔÂÖ»À¶

Ö÷¹ÜÇø³¤ (Ö°Òµ×÷¼Ò)

¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
CODE:
function plot_0712
clear all;clc
[a t]=meshgrid(-1:0.05:-0.6,0:0.1:2);
p=100*exp(-a.*t)-exp(-1.5*a.*t);
figure(1)
surf(a,t,p)

ÈçºÎÔÚoriginÖиù¾ÝÁ½¸ö·½³Ìʽ»ñµÃÇúÏߣ¬È»ºóµÃ³öÊý¾Ý£¿
¸½Í¼1.png

MATLAB¡¢MSСÎÊÌâ¡¢ÆÕͨÎÊÌâÇë·¢ÌûÇóÖú£¡Ê±¼ä¾«Á¦ÓÐÏÞ£¬Ë¡²»½ÓÊÜÎÞ³¥Ë½ÐÅÇóÖú¡£
4Â¥2014-07-12 08:52:17
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Ò»Ö¾Ô¸Äϲý´óѧ£¬327·Ö£¬²ÄÁÏÓ뻯¹¤085600 +6 Ncdx123456 2026-03-19 6/300 2026-03-20 17:40 by ÎÞи¿É»÷111
[¿¼ÑÐ] 287Çóµ÷¼Á +4 ³¿»èÏßÓëÐǺ£ 2026-03-19 5/250 2026-03-20 16:42 by Iveryant
[¿¼ÑÐ] 289Çóµ÷¼Á +3 »³èªÎÕè¤l 2026-03-20 3/150 2026-03-20 16:17 by Iveryant
[»ù½ðÉêÇë] ѧУÒѾ­Ìá½»µ½NSFC£¬»¹ÄÜÐÞ¸ÄÂ𣿠40+4 babangida 2026-03-19 8/400 2026-03-20 15:58 by babero
[¿¼ÑÐ] 281Çóµ÷¼Á£¨0805£© +14 ÑÌÏ«Ò亣 2026-03-16 25/1250 2026-03-20 15:47 by yuncha
[¿¼ÑÐ] ±¾ÈË¿¼085602 »¯Ñ§¹¤³Ì ר˶ +18 ²»ÖªµÀ½Ðʲô£¡ 2026-03-15 20/1000 2026-03-20 13:52 by danney002
[¿¼ÑÐ] Ò»Ö¾Ô¸ ÄϾ©º½¿Õº½Ìì´óѧ´óѧ £¬080500²ÄÁÏ¿ÆÑ§Ó빤³Ìѧ˶ +4 @taotao 2026-03-20 4/200 2026-03-20 10:37 by EBSD
[¿¼ÑÐ] 085410È˹¤ÖÇÄÜר˶317Çóµ÷¼Á£¨0854¶¼¿ÉÒÔ£© +4 xbxudjdn 2026-03-18 4/200 2026-03-20 09:07 by ²»168
[¿¼ÑÐ] 304Çóµ÷¼Á +5 ÂüÊâ2266 2026-03-18 5/250 2026-03-20 09:00 by ZHANG0tao
[¿¼ÑÐ] Ò»Ö¾Ô¸Öйúº£Ñó´óѧ£¬ÉúÎïѧ£¬301·Ö£¬Çóµ÷¼Á +5 1ËïÎò¿Õ 2026-03-17 6/300 2026-03-19 23:46 by zcl123
[¿¼ÑÐ] 346Çóµ÷¼Á[0856] +3 WayneLim327 2026-03-16 6/300 2026-03-19 11:21 by WayneLim327
[¿¼ÑÐ] 0817µ÷¼Á +3 ûÓдð°¸_ 2026-03-14 3/150 2026-03-19 09:51 by Xu de nuo
[¿¼ÑÐ] 311Çóµ÷¼Á +4 ¶¬Ê®Èý 2026-03-18 4/200 2026-03-18 21:47 by ¾¡Ë´Ò¢1
[¿¼ÑÐ] 354Çóµ÷¼Á +4 Tyoumou 2026-03-18 7/350 2026-03-18 21:45 by Tyoumou
[¿¼ÑÐ] ²ÄÁÏרҵÇóµ÷¼Á +5 hanamiko 2026-03-18 5/250 2026-03-18 20:19 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] 278Çóµ÷¼Á +5 ÑÌ»ðÏÈÓÚ´º 2026-03-17 5/250 2026-03-18 08:43 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] 085601Çóµ÷¼Á +4 Du.11 2026-03-16 4/200 2026-03-17 17:08 by ruiyingmiao
[¿¼ÑÐ] 0703 ÎïÀí»¯Ñ§µ÷¼Á +3 ÎÒ¿ÉÒÔÉϰ¶µÄ¶Ô 2026-03-13 5/250 2026-03-16 10:50 by ÎÒ¿ÉÒÔÉϰ¶µÄ¶ÔÂ
[¿¼ÑÐ] 288Çóµ÷¼Á +4 Ææµã0314 2026-03-14 4/200 2026-03-14 23:04 by JourneyLucky
[¿¼ÑÐ] 080500£¬²ÄÁÏѧ˶302·ÖÇóµ÷¼ÁѧУ +4 ³õʶ¿ÉÀÖ 2026-03-14 5/250 2026-03-14 21:08 by peike
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û