²é¿´: 521  |  »Ø¸´: 3

Éò³¿

Í­³æ (СÓÐÃûÆø)

[ÇóÖú] matlab£¬Ð¡ÎÊÌâÇóÖú

x=635.15:1:660.15;
y=1.4157*10^-5*x.^5-0.045764*x.^4+59.174*x.^338256*.x^2+1.2366*10^7*x-1.5989*10^9;
plot(y,x)
ÎÒÏë»­y-xµÄͼÏñ£¬µ«ÊÇÉÏÃæÔËÐÐ×ÜÊÇError: Unexpected MATLAB operator.µ«ÊÇÎÒ»»³É±ðµÄº¯Êý¶¼ÄÜ»­Í¼£¬¾ÍÊÇÉÏÃæµÄ²»ÐУ¬´ó¼Ò°ïÖúһϡ£
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

dbb627

ÈÙÓþ°æÖ÷ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
y=1.4157*10^-5*x.^5-0.045764*x.^4+59.174*x.^338256*.x^2+1.2366*10^7*x-1.5989*10^9;
ʽ×Óд´íÁË
x.^3+38256*x.^2»òÕßx.^3-38256*x.^2

[ Last edited by dbb627 on 2013-11-26 at 21:18 ]
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.
2Â¥2013-11-26 21:13:16
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Éò³¿

Í­³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by dbb627 at 2013-11-26 21:13:16
y=1.4157*10^-5*x.^5-0.045764*x.^4+59.174*x.^338256*.x^2+1.2366*10^7*x-1.5989*10^9;
ʽ×Óд´íÁË
x.^3+38256*x.^2»òÕßx.^3-38256*x.^2
...

y=1.4157*10^-5*x.^5-0.045764*x.^4+59.174*x.^3-38256*.x^2+1.2366*10^7*x-1.5989*10^9;
ÊÇÎÒ¸´ÖÆÊ±Ð´´íÁË£¬²»¹ýÎÒ´úÂëÊÇÉÏÃæµÄ»¹ÊÇÒ»Ñù´íÎó£¬Äã¿ÉÒÔÊÔÒ»ÏÂ
3Â¥2013-11-26 21:35:02
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dbb627

ÈÙÓþ°æÖ÷ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
3Â¥: Originally posted by Éò³¿ at 2013-11-26 21:35:02
y=1.4157*10^-5*x.^5-0.045764*x.^4+59.174*x.^3-38256*.x^2+1.2366*10^7*x-1.5989*10^9;
ÊÇÎÒ¸´ÖÆÊ±Ð´´íÁË£¬²»¹ýÎÒ´úÂëÊÇÉÏÃæµÄ»¹ÊÇÒ»Ñù´íÎó£¬Äã¿ÉÒÔÊÔÒ»ÏÂ...

38256*x.^2
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.
4Â¥2013-11-26 21:59:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ Éò³¿ µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 085600 ²ÄÁÏÓ뻯¹¤ 329·ÖÇóµ÷¼Á +8 Mr. Z 2026-03-25 8/400 2026-03-25 23:00 by peike
[¿¼ÑÐ] 334·Ö Ò»Ö¾Ô¸ÎäÀí-080500 ²ÄÁÏÇóµ÷¼Á +4 ÀîÀî²»·þÊä 2026-03-25 4/200 2026-03-25 21:26 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] ÕÐ08¿¼Êýѧ +8 laoshidan 2026-03-20 17/850 2026-03-25 17:52 by Ò»¸öºìÌ«Ñô
[¿¼ÑÐ] Ò»Ö¾Ô¸¼ªÁÖ´óѧ²ÄÁÏÓ뻯¹¤303·ÖÇóµ÷¼Á +4 Ϊѧ666 2026-03-24 4/200 2026-03-25 11:27 by BruceLiu320
[¿¼ÑÐ] 278Çóµ÷¼Á +4 ÎÒ¿ÉÒÔÉϰ¶µÄ¶Ô 2026-03-19 4/200 2026-03-25 11:01 by userper
[¿¼ÑÐ] ¿¼Ñл¯Ñ§308·ÖÇóµ÷¼Á +10 ÄãºÃÃ÷ÌìÄãºÃ 2026-03-23 11/550 2026-03-25 10:23 by userper
[¿¼ÑÐ] ʳƷר˶ һ־Ը˫һÁ÷ 328 +3 xiaom99 2026-03-21 4/200 2026-03-24 21:20 by lailaisimei
[¿¼ÑÐ] 070300»¯Ñ§Çóµ÷¼Á +9 Ô·¶¹¶¹ 2026-03-20 9/450 2026-03-24 17:15 by licg0208
[¿¼ÑÐ] Çóµ÷¼Á +6 ÑÐÑУ¬½Óµç»° 2026-03-24 7/350 2026-03-24 17:01 by barlinike
[¿¼ÑÐ] 291Çóµ÷¼Á +3 HanBeiNingZC 2026-03-24 3/150 2026-03-24 16:34 by barlinike
[¿¼ÑÐ] ²ÄÁÏר˶331Çóµ÷¼Á +4 Ïʵ±Å£ 2026-03-24 4/200 2026-03-24 15:58 by JourneyLucky
[¿¼ÑÐ] 321Çóµ÷¼Á +4 Ymlll 2026-03-24 4/200 2026-03-24 14:44 by sprinining
[¿¼ÑÐ] 384Çóµ÷¼Á +3 ×Óϵ²© 2026-03-22 6/300 2026-03-23 21:45 by ×Óϵ²©
[¿¼ÑÐ] Ò»Ö¾Ô¸ÉÂʦ´óÉúÎïѧ071000£¬298·Ö£¬Çóµ÷¼Á +3 SYA£¡ 2026-03-23 3/150 2026-03-23 19:09 by macy2011
[¿¼ÑÐ] 336»¯¹¤µ÷¼Á +4 Íõ´ó̹1 2026-03-23 5/250 2026-03-23 18:32 by allen-yin
[¿¼ÑÐ] Ò»Ö¾Ô¸¶«»ª´óѧ»¯Ñ§070300£¬Çóµ÷¼Á +7 2117205181 2026-03-21 8/400 2026-03-22 22:55 by chixmc
[¿¼ÑÐ] 293Çóµ÷¼Á +3 ÌÎÌÎWjt 2026-03-22 5/250 2026-03-22 22:21 by jiangpengfei
[¿¼ÑÐ] 285Çóµ÷¼Á +6 ytter 2026-03-22 6/300 2026-03-22 12:09 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] ³õÊÔ 317 +7 °ëÀ­Ô±û 2026-03-20 7/350 2026-03-21 22:26 by peike
[¿¼ÑÐ] 320Çóµ÷¼Á0856 +3 ²»ÏëÆðÃû×Ö112 2026-03-19 3/150 2026-03-19 22:53 by ѧԱ8dgXkO
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û