| ²é¿´: 1294 | »Ø¸´: 9 | ||
| µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû | ||
silencezyгæ (³õÈëÎÄ̳)
|
[ÇóÖú]
½â·½³Ì£¬Ã»Óб¨´í£¬µ«ÊÇÒ»Ö±ÔÚÔËÐУ¬¸Ð¾õ¼ÆËãÁ¿²»¸ÃºÜ´ó ÒÑÓÐ1È˲ÎÓë
|
|
|
Ç°ÃæÖ÷ÒªÊÇÔÚÊäÈëһЩ¾ØÕó£¬×îºóÏ£ÍûµÃµ½Ò»¸öfx=¡£¡£¡£µÄ±í´ïʽ£¬Ð»Ð»¸÷λ´óÉñ°ï°ïæÀ² F4F[GMCIHEQ[FORD1U_QJSM.png |
» ²ÂÄãϲ»¶
²ÄÁÏ¿¼Ñе÷¼Á
ÒѾÓÐ3È˻ظ´
²ÄÁϵ÷¼Á
ÒѾÓÐ12È˻ظ´
Ó¢Ò»ÊýÒ»408£¬×Ü·Ö284£¬¶þÕ½Õæ³ÏÇóµ÷¼Á
ÒѾÓÐ14È˻ظ´
085410 Ò»Ö¾Ô¸211 22408·ÖÊý359Çóµ÷¼Á
ÒѾÓÐ4È˻ظ´
271Çóµ÷¼Á
ÒѾÓÐ19È˻ظ´
385·Ö ÉúÎïѧ£¨071000£©Çóµ÷¼Á
ÒѾÓÐ3È˻ظ´
Ò»Ö¾Ô¸°²»Õ´óѧ¼ÆËã»ú¿ÆÑ§Óë¼¼Êõѧ˶£¬331·ÖÇóµ÷¼Á
ÒѾÓÐ3È˻ظ´
318Çóµ÷¼Á£¬¼ÆËã²ÄÁÏ·½Ïò
ÒѾÓÐ8È˻ظ´
291Çóµ÷¼Á
ÒѾÓÐ25È˻ظ´
Ò»Ö¾Ô¸±±¾©¿Æ¼¼´óѧ085601²ÄÁϹ¤³ÌÓ¢Ò»Êý¶þ³õÊÔ×Ü·Ö335Çóµ÷¼Á
ÒѾÓÐ6È˻ظ´
silencezy
гæ (³õÈëÎÄ̳)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 714.3
- Ìû×Ó: 43
- ÔÚÏß: 8Сʱ
- ³æºÅ: 4547153
- ×¢²á: 2016-03-28
- רҵ: ¹ÌÌåÁ¦Ñ§
5Â¥2016-04-02 12:30:18
zdzqy
гæ (СÓÐÃûÆø)
- Ó¦Öú: 4 (Ó×¶ùÔ°)
- ½ð±Ò: 176.3
- É¢½ð: 199
- ºì»¨: 1
- Ìû×Ó: 245
- ÔÚÏß: 136.9Сʱ
- ³æºÅ: 1163354
- ×¢²á: 2010-12-06
- ÐÔ±ð: MM
- רҵ: ¹ÌÌåÁ¦Ñ§
2Â¥2016-03-31 18:16:09
silencezy
гæ (³õÈëÎÄ̳)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 714.3
- Ìû×Ó: 43
- ÔÚÏß: 8Сʱ
- ³æºÅ: 4547153
- ×¢²á: 2016-03-28
- רҵ: ¹ÌÌåÁ¦Ñ§
|
ÕâÊÇ´úÂë a=20 b=1 u=0.33 rn=n*Pi/a \[Alpha]=Sqrt[rn*(rn+Sqrt[fx/d])] \[Beta]=Sqrt[rn*(Sqrt[fx/d]-rn)] md1={{u*rn^2-\[Alpha]^2,0},{\[Alpha]^3,\[Beta]^3-(2-u)*rn^2*\[Beta]}} md3={{u*rn^2-\[Alpha]^2,0},{\[Alpha]^3,\[Beta]^3-(2-u)*rn^2*\[Beta]}} md2={{-1,0,-1,0},{\[Alpha],-\[Beta],-\[Alpha],\[Beta]},{+\[Alpha]^2-u*rn^2,0,-\[Alpha]^2+u*rn^2,0},{rn^2-\[Alpha]^3,-rn^2*\[Beta]-\[Beta]^3,-\[Alpha]^3+rn^2*\[Alpha],-rn^2*\[Beta]-\[Beta]^3}} ma1={{\[Alpha]^2-u*rn^2,-\[Beta]^2-u*rn^2},{\[Alpha]^3-(2-u)*\[Alpha]*rn^2,0}} ma3={{\[Alpha]^2-u*rn^2,-\[Beta]^2-u*rn^2},{\[Alpha]^3-(2-u)*\[Alpha]*rn^2,0}} ma2={{1,1,1,1},{\[Alpha],0,-\[Alpha],0},{-\[Alpha]^2+u*rn^2,\[Beta]^2+u*rn^2,\[Alpha]^2-u*rn^2,-\[Beta]^2-u*rn^2},{rn^2*\[Alpha]-\[Alpha]^3,0,rn^2*\[Alpha]-\[Alpha]^3,0}} md=ArrayFlatten[{{md1,0,0},{0,md2,0},{0,0,md3}}] ma=ArrayFlatten[{{ma1,0,0},{0,ma2,0},{0,0,ma3}}] mdni=Inverse[md] ms=mdni.ma mp1={{0,0,-Exp[-\[Alpha]*b],0},{0,Cot[\[Beta]*b],0,-1/Sin[\[Beta]*b]},{-Exp[-\[Alpha]*b],0,0,0},{0,-1/Sin[\[Beta]*b],0,Cot[\[Beta]*b]}} mp=ArrayFlatten[{{mp1,0},{0,mp1}}] mr=ms.mp mf=IdentityMatrix[8]-mr Solve[Det[mf]==0,fx] |
3Â¥2016-04-01 10:40:22
baghnac
½ð³æ (СÓÐÃûÆø)
- Ó¦Öú: 14 (СѧÉú)
- ½ð±Ò: 1706.4
- ºì»¨: 6
- Ìû×Ó: 177
- ÔÚÏß: 44Сʱ
- ³æºÅ: 1365578
- ×¢²á: 2011-08-11
- ÐÔ±ð: GG
- רҵ: ÓîÖæÑ§
|
ÕâÊǰÑmathematicд³ÉMATLABµÄ¸Ð¾õ°¡£¬½¨Òé·ÖʽÓÃCtrl +/,¸ùʽ¾ÍÓÿª¸ùºÅ£¬²»ÒªÓÃsqrtÕâÑù¶ÁÆðÀ´Êæ·þ ·¢×ÔСľ³æAndroid¿Í»§¶Ë |

4Â¥2016-04-01 17:55:37














»Ø¸´´ËÂ¥