±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1551  |  »Ø¸´: 16
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

onexf

½ð³æ (СÓÐÃûÆø)


[½»Á÷] ¡¾ÇóÖú¡¿°ïæ×÷Ò»¸öͼ~



Ïà¹ØµÄmathematica ¹«Ê½ÒѾ­¸øÐ´ºÃ£¬¾ÍÊDz»Çå³þÔõô×ö£¬Çë¸ßÊÖ°ïæ£¬¸ø³öÔ´´úÂëºÍ½á¹û(×îºÃÓÃ7.0µÄ°æ±¾)~
C1 = 120;
C2 = 100;
C3= 60;

Aa = - (Cos[alpha] Cos[v] + Sin[alpha] Sin[v])/Tan [beta];
Dir = Cos[beta]^2 (Cos[alpha]^2  Cos[v]^2 + Sin[alpha]^2  Sin[v]^2)/(1 + Aa^2) + (Sin[beta] Aa)^2/(1 + Aa^2);

p = (Cos[alpha] Cos[beta])^4 + (Sin[alpha] Cos[beta])^4 + Sin[beta]^4;
You = 1/(1/3/(C1 + 2*C2) - (1 - 3*p)/3/(C1 - C2) + (1 - p)/2/C3);

rad = ((C1 + 2*C2)*(C1 - C2 - 2*C3)*Dir + 2*C2*C3)*You/(2*(C1 + 2*C2)*(C1 - C2)*C3);

[ Last edited by onexf on 2011-3-23 at 19:50 ]
»Ø¸´´ËÂ¥

» ÊÕ¼±¾ÌûµÄÌÔÌûר¼­ÍƼö

´ó¿ªÑÛ½ç

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

» ÇÀ½ð±ÒÀ²£¡»ØÌû¾Í¿ÉÒԵõ½:

²é¿´È«²¿É¢½ðÌù

ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
¡ï ¡ï
onexf(½ð±Ò+1):лл²ÎÓë
ben_ladeng(½ð±Ò+1): лл²ÎÓë 2011-09-05 20:56:44
ÒýÓûØÌû:
2Â¥: Originally posted by mshwangg at 2011-03-23 23:45:40:
Ô´³ÌÐòÈçÏÂ:

C1 = 120;
C2 = 100;
C3 = 60;
Aa = -(Cos[alpha] Cos[v] + Sin[alpha] Sin[v])/Tan[beta];
Dir = Cos[
      beta]^2 (Cos[alpha]^2 Cos[v]^2 + Sin[alpha]^2 Sin[v]^2)/(1 +
       Aa^ ...

ËÙ¶ÈÌ«ÂýÁ˰¡
13Â¥2011-09-05 11:08:19
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 17 ¸ö»Ø´ð
¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
onexf(½ð±Ò+1):лл²ÎÓë
cenwanglai(½ð±Ò+5): лл£¬ºÇºÇ£¬ºÜÓÐÄÍÐÄ¡£µÈlz¸øÄãbb¹þ£¡ 2011-03-23 23:52:26
onexf(½ð±Ò+30): ¶àл£¬Âé·³¼ÌÐø¸øÁ¦£¡ 2011-03-24 19:53:57
ben_ladeng: 2011-09-05 20:55:54
ÒýÓûØÌû:
Originally posted by onexf at 2011-03-23 16:00:38:


Ïà¹ØµÄmathematica ¹«Ê½ÒѾ­¸øÐ´ºÃ£¬¾ÍÊDz»Çå³þÔõô×ö£¬Çë¸ßÊÖ°ïæ£¬¸ø³öÔ´´úÂëºÍ½á¹û(×îºÃÓÃ7.0µÄ°æ±¾)~
C1 = 120;
C2 = 100;
C3= 60;

Aa = - (Cos[alph ...

Ô´³ÌÐòÈçÏÂ:

C1 = 120;
C2 = 100;
C3 = 60;
Aa = -(Cos[alpha] Cos[v] + Sin[alpha] Sin[v])/Tan[beta];
Dir = Cos[
      beta]^2 (Cos[alpha]^2 Cos[v]^2 + Sin[alpha]^2 Sin[v]^2)/(1 +
       Aa^2) + (Sin[beta] Aa)^2/(1 + Aa^2);
p = (Cos[alpha] Cos[beta])^4 + (Sin[alpha] Cos[beta])^4 + Sin[beta]^4;
You = 1/(1/3/(C1 + 2*C2) - (1 - 3*p)/3/(C1 - C2) + (1 - p)/2/C3);
rad = ((C1 + 2*C2)*(C1 - C2 - 2*C3)*Dir + 2*C2*C3)*
   You/(2*(C1 + 2*C2)*(C1 - C2)*C3);
Plot3D[NMaximize[{rad, 0 < v < 2 \[Pi]}, v][[1]], {alpha, 0,
  2 \[Pi]}, {beta, -\[Pi]/2, \[Pi]/2}]
Plot3D[NMinimize[{rad, 0 < v < 2 \[Pi]}, v][[1]], {alpha, 0,
  2 \[Pi]}, {beta, -\[Pi]/2, \[Pi]/2}]
Quit[]
¼ÆËã½á¹ûͼ:

¾ÍÊÇËãµÃºÜÂý
2Â¥2011-03-23 23:45:40
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

circlewu

½û³æ (Ö°Òµ×÷¼Ò)

¡ï
onexf(½ð±Ò+1):лл²ÎÓë
±¾ÌûÄÚÈݱ»ÆÁ±Î

4Â¥2011-03-24 08:21:38
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

onexf

½ð³æ (СÓÐÃûÆø)


ÒýÓûØÌû:
Originally posted by mshwangg at 2011-03-23 23:45:40:
Ô´³ÌÐòÈçÏÂ:

C1 = 120;
C2 = 100;
C3 = 60;
Aa = -(Cos[alpha] Cos[v] + Sin[alpha] Sin[v])/Tan[beta];
Dir = Cos[
      beta]^2 (Cos[alpha]^2 Cos[v]^2 + Sin[alpha]^2 Sin[v]^2)/(1 +
       Aa ...

ллÄ㣬ÎÒÓÃSphericalPlot3D[rad,alpha,beta]×ö³öÀ´µÄÒ»¸ö3DÇò
×î´óÖµÕâ¸ö»¹¿ÉÒÔ£¨ÈçÏ£©£º

×îС»áÖµÕâ¸öÔõô»áÓÐÐ©Ææµã³öÏÖÄØ£¿£¨ÈçÏ£©


ÁíÎÒ¿´±ðÈ˵ÄÎÄÏ×Öл¹¿ÉÒÔ½«ÕâÖÖͼÐÍÇпª£¨ÇòµÄÀïÃæºÍÍâÃæ¶¼²»Ò»Ñù£¬»¹ÓÐÁ¢Ìå¸Ð£¬ÈçÏ£©£¬·Ç³£Ö±¹ÛƯÁÁ (ºÍÎÄÕÂ×÷Õß½»Á÷¹ý£¬Ëû˵ÓÃmathmatica×öµÄ£¬µ«Ô´ÂëÒѾ­¶ªÊ§ÁË)¡£Çë½Ì¸ßÊÖÔõôʵÏÖ£¿


[ Last edited by onexf on 2011-3-24 at 19:56 ]
8Â¥2011-03-24 19:52:58
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
¼òµ¥»Ø¸´
2011-03-24 00:00  
onexf(½ð±Ò+1):лл²ÎÓë
ÒýÓûØÌû:
Originally posted by mshwangg at 2011-03-23 23:45:40: Ô´³ÌÐòÈçÏÂ: C1 = 120; C2 = 100; C3 = 60; Aa = -(Cos[alpha] Cos[v] + Sin[alpha] Sin[v])/Tan[beta]; Dir = Cos[ beta]^2 (Cos[alpha]^2 Cos[v]^2 + Sin[alpha]^2 Sin[v]^2)/(1 + Aa ...

Å£
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 309Çóµ÷¼Á +4 Ë­²»ÊÇÉÙÄê 2026-03-29 4/200 2026-03-29 07:07 by wxiongid
[¿¼ÑÐ] 300Çóµ÷¼Á£¬²ÄÁÏ¿ÆÑ§Ó¢Ò»Êý¶þ +8 leaflight 2026-03-24 8/400 2026-03-29 01:31 by fmesaito
[¿¼ÑÐ] 332Çóµ÷¼Á +4 @MZB382400 2026-03-28 4/200 2026-03-28 21:02 by ÌÆãå¶ù
[¿¼ÑÐ] 320·Ö£¬²ÄÁÏÓ뻯¹¤×¨Òµ£¬Çóµ÷¼Á +9 Ò»¶¨Éϰ¶aaa 2026-03-27 13/650 2026-03-28 15:00 by ÉñÂí¶¼²»¶®
[¿¼ÑÐ] 292Çóµ÷¼Á +14 ¶ì¶ì¶ì¶î¶î¶î¶î¶ 2026-03-25 15/750 2026-03-28 08:45 by WYUMater
[²ÄÁϹ¤³Ì] Ò»Ö¾Ô¸C9²ÄÁÏÓ뻯¹¤×¨Òµ×Ü·Ö300Çóµ÷¼Á +8 Âü111 2026-03-24 9/450 2026-03-28 07:58 by YYYYX1234
[¿¼ÑÐ] 295Çóµ÷¼Á +5 1428151015 2026-03-27 6/300 2026-03-28 04:04 by fmesaito
[¿¼ÑÐ] 085701»·¾³¹¤³ÌÇóµ÷¼Á +9 ¶à¾ÃÉϿΠ2026-03-27 9/450 2026-03-28 03:58 by fmesaito
[¿¼²©] 26É격 +3 ¼ÓÓͳ尡£¡ 2026-03-26 3/150 2026-03-27 15:38 by cls512
[¿¼ÑÐ] 287Çóµ÷¼Á +10 land xuxu 2026-03-26 10/500 2026-03-27 15:33 by ÅÁ¶ûÂíÀ­ÌØ
[¿¼ÑÐ] 279 ·Ö Çóµ÷¼Á +4 ˯¸öºÃ¾õ_16 2026-03-24 4/200 2026-03-27 15:05 by ×íÔÚ·çÀï
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +8 Æ¥¿Ëi 2026-03-23 8/400 2026-03-27 08:11 by hypershenger
[¿¼ÑÐ] 333Çóµ÷¼Á +6 wfh030413@ 2026-03-23 6/300 2026-03-26 22:45 by ѧԱ8dgXkO
[¿¼ÑÐ] ²ÄÁÏ¿ÆÑ§Ó빤³Ì 317Çóµ÷¼Á +4 JKSOIID 2026-03-26 4/200 2026-03-26 15:58 by ²»³Ôô~µÄ؈
[¿¼ÑÐ] 290·Öµ÷¼ÁÇóÖú +3 ¼ªÏéÖ¹Ö¹³Â 2026-03-25 3/150 2026-03-25 19:58 by barlinike
[¿¼ÑÐ] Çóµ÷¼Á +3 ÀîÀî²»·þÊä 2026-03-25 3/150 2026-03-25 13:03 by cmz0325
[¿¼ÑÐ] 285Çóµ÷¼Á +3 AZMK 2026-03-24 3/150 2026-03-25 12:23 by userper
[¿¼ÑÐ] 086003ʳƷ¹¤³ÌÇóµ÷¼Á +6 íµíµ111 2026-03-24 6/300 2026-03-25 10:29 by 3Strings
[¿¼ÑÐ] 340Çóµ÷¼Á +5 »°Ã·ÌÇ111 2026-03-24 5/250 2026-03-25 06:53 by ilovexiaobin
[¿¼ÑÐ] 080500Çóµ÷¼Á +3 zzzzfan 2026-03-24 3/150 2026-03-24 16:38 by barlinike
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û