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onexf

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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 ]
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mchen10

½ð³æ (ÕýʽдÊÖ)


Ìû×ÓÕæ¾«²Ê!
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16Â¥2011-09-06 03:05:50
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 ...

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