²é¿´: 1178  |  »Ø¸´: 9

zxbok1979

ľ³æ (СÓÐÃûÆø)

[ÇóÖú] Çó½â·½³Ì ÒÑÓÐ2È˲ÎÓë

matlabÇó½âͼƬÖз½³ÌµÄ·½·¨£¿

Çó½â·½³Ì
¼ÆËã·½³Ì.png
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

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

zhang1226

гæ (³õÈëÎÄ̳)

²»»á£¡ÓеãÄÑ¡£
2Â¥2015-08-08 16:59:52
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wurongjun

ר¼Ò¹ËÎÊ (Ö°Òµ×÷¼Ò)

¡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
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
zxbok1979: ½ð±Ò+20, ¡ï¡ï¡ïºÜÓаïÖú 2015-08-09 13:33:55
ÓÃÊýÖµ½â·¨!
ת»»ÎªÒ»½×(ÏòÁ¿)·½³Ì!
ÉÆ¶ñµ½Í·ÖÕÓб¨,È˼äÕýµÀÊDz×É£.
3Â¥2015-08-08 17:37:31
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zhang1226

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
3Â¥: Originally posted by wurongjun at 2015-08-08 17:37:31
ÓÃÊýÖµ½â·¨!
ת»»ÎªÒ»½×(ÏòÁ¿)·½³Ì!

´óÉñÄܲ»ÄܾßÌåµã
4Â¥2015-08-08 17:44:50
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wurongjun

ר¼Ò¹ËÎÊ (Ö°Òµ×÷¼Ò)

ÒýÓûØÌû:
4Â¥: Originally posted by zhang1226 at 2015-08-08 17:44:50
´óÉñÄܲ»ÄܾßÌåµã...

y=(r,r')
y'=?(Õâ¸öÄã×Ô¼ºÍưÉ)
y'(0)=(r'(0),r''(0))
ÔÙÕë¶ÔyÓÃÊýÖµ½â!
ÉÆ¶ñµ½Í·ÖÕÓб¨,È˼äÕýµÀÊDz×É£.
5Â¥2015-08-08 18:33:49
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zhang1226

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
5Â¥: Originally posted by wurongjun at 2015-08-08 18:33:49
y=(r,r')
y'=?(Õâ¸öÄã×Ô¼ºÍưÉ)
y'(0)=(r'(0),r''(0))
ÔÙÕë¶ÔyÓÃÊýÖµ½â!...

ÕâÖÖ·½·¨ºÃÏñ²»ÐУ¬Ò»½×µ¼ÊýµÄ±í´ïÊ½ÍÆ²»³öÀ´£¬Ö÷ÒªÊÇ×îºóÒ»ÏÓÐ-1´Î·½£¬ÎҾͿ¨ÔÚÕâÁË¡£
6Â¥2015-08-08 18:58:46
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wurongjun

ר¼Ò¹ËÎÊ (Ö°Òµ×÷¼Ò)

ÒýÓûØÌû:
6Â¥: Originally posted by zhang1226 at 2015-08-08 18:58:46
ÕâÖÖ·½·¨ºÃÏñ²»ÐУ¬Ò»½×µ¼ÊýµÄ±í´ïÊ½ÍÆ²»³öÀ´£¬Ö÷ÒªÊÇ×îºóÒ»ÏÓÐ-1´Î·½£¬ÎҾͿ¨ÔÚÕâÁË¡£...

ºÍÄǸöûÓйØÏµ!
¸øÄãÒ»¸öÀý×Ó!
>> f=inline('[y(4);y(5);y(6);3.986005*1e14*y(1)/(sqrt(y(1)^2+y(2)^2+y(3)^2))^3;3.986005*1e14*y(2)/(sqrt(y(1)^2+y(2)^2+y(3)^2))^3;3.986005*1e14*y(3)/(sqrt(y(1)^2+y(2)^2+y(3)^2))^3]','t','y')
f =
     Inline function:
     f(t,y) = [y(4);y(5);y(6);3.986005*1e14*y(1)/(sqrt(y(1)^2+y(2)^2+y(3)^2))^3;3.986005*1e14*y(2)/(sqrt(y(1)^2+y(2)^2+y(3)^2))^3;3.986005*1e14*y(3)/(sqrt(y(1)^2+y(2)^2+y(3)^2))^3]
ÉÆ¶ñµ½Í·ÖÕÓб¨,È˼äÕýµÀÊDz×É£.
7Â¥2015-08-08 19:07:20
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zhang1226

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
7Â¥: Originally posted by wurongjun at 2015-08-08 19:07:20
ºÍÄǸöûÓйØÏµ!
¸øÄãÒ»¸öÀý×Ó!
>> f=inline('','t','y')
f =
     Inline function:
     f(t,y) = ...

лл
8Â¥2015-08-08 20:04:33
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dingd

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
r=0ʱÊÇÆæÒìµã°É
9Â¥2015-08-09 21:17:41
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zhang1226

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
9Â¥: Originally posted by dingd at 2015-08-09 21:17:41
r=0ʱÊÇÆæÒìµã°É

Õâ¸ö²»Ì«È·¶¨£¬ÏÖÔÚ¾ÍÏ£ÍûÄÜÇó³ö¸Ã·½³ÌµÄÊýÖµ½â¡£
10Â¥2015-08-10 11:58:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ zxbok1979 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 081700 µ÷¼Á 267·Ö +7 ÃÔÈ˵Ĺþ¹þ 2026-03-23 7/350 2026-03-23 23:19 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] 327Çóµ÷¼Á +5 prayer13 2026-03-23 5/250 2026-03-23 22:11 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] 333Çóµ÷¼Á +3 ALULU4408 2026-03-23 3/150 2026-03-23 19:04 by macy2011
[¿¼ÑÐ] ¿¼Ñл¯Ñ§308·ÖÇóµ÷¼Á +7 ÄãºÃÃ÷ÌìÄãºÃ 2026-03-23 8/400 2026-03-23 18:39 by macy2011
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖйúʯÓÍ´óѧ£¨»ª¶«£© ±¾¿ÆÆë³¹¤Òµ´óѧ +4 ʯÄÜΰ 2026-03-17 4/200 2026-03-23 17:51 by 17862566385
[¿¼ÑÐ] 291 Çóµ÷¼Á +4 »¯¹¤2026½ì±ÏÒµÉ 2026-03-21 5/250 2026-03-23 16:46 by »¯¹¤2026½ì±ÏÒµÉ
[¿¼ÑÐ] 306Çóµ÷¼Á +9 chuanzhu´¨Öò 2026-03-18 9/450 2026-03-23 13:17 by luoyongfeng
[¿¼ÑÐ] Ò»Ö¾Ô¸070300Õã´ó»¯Ñ§358·Ö£¬Çóµ÷¼Á£¡ +4 ËÖËÖÓã.. 2026-03-21 4/200 2026-03-23 08:12 by Iveryant
[¿¼ÑÐ] 307Çóµ÷¼Á +11 ÀäóÏ123 2026-03-17 11/550 2026-03-22 20:16 by edmund7
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÖÐũҵ071010£¬×Ü·Ö320Çóµ÷¼Á +5 À§À§À§À§À¤À¤ 2026-03-20 6/300 2026-03-22 17:41 by hxsm
[¿¼ÑÐ] ¿¼Ñе÷¼Á +4 À´ºÃÔËÀ´À´À´ 2026-03-21 4/200 2026-03-22 12:15 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] 0856²ÄÁÏר˶353Çóµ÷¼Á +4 NIFFFfff 2026-03-20 4/200 2026-03-22 09:49 by 2026paper
[¿¼ÑÐ] 286Çóµ÷¼Á +10 Faune 2026-03-21 10/500 2026-03-21 23:34 by 314126402
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á +4 ÄÝÄÝninicgb 2026-03-21 4/200 2026-03-21 18:39 by ѧԱ8dgXkO
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÄÏʦ´ó 070300£¨»¯Ñ§£©304·ÖÇóµ÷¼Á +3 0703ÎäÜ·»ÛÑ©304 2026-03-18 3/150 2026-03-21 00:48 by JourneyLucky
[¿¼ÑÐ] 295Çóµ÷¼Á +4 Ò»Ö¾Ô¸¾©Çø211 2026-03-18 6/300 2026-03-20 23:41 by JourneyLucky
[¿¼ÑÐ] 304Çóµ÷¼Á +7 ˾¿Õ. 2026-03-18 7/350 2026-03-20 23:08 by JourneyLucky
[¿¼ÑÐ] 329Çóµ÷¼Á +9 ÏëÉÏѧ߹߹ 2026-03-19 9/450 2026-03-20 22:01 by luoyongfeng
[¿¼ÑÐ] ²ÄÁÏѧÇóµ÷¼Á +4 Stella_Yao 2026-03-20 4/200 2026-03-20 20:28 by ms629
[¿¼ÑÐ] Ò»Ö¾Ô¸ÄÏÀí¹¤085701»·¾³302Çóµ÷¼ÁԺУ +3 ¿ûè÷ÎÀ¶Ó 2026-03-20 3/150 2026-03-20 19:28 by zhukairuo
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û