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Òø³æ (СÓÐÃûÆø)
- ²©Ñ§EPI: 22
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 257.1
- Ìû×Ó: 108
- ÔÚÏß: 13.8Сʱ
- ³æºÅ: 1140477
2Â¥2010-12-28 17:36:14
xiegangmai
°æÖ÷ (Ö°Òµ×÷¼Ò)
- Ó¦Öú: 157 (¸ßÖÐÉú)
- ¹ó±ö: 5.735
- ½ð±Ò: 40609
- Ìû×Ó: 4046
- ÔÚÏß: 1330.2Сʱ
- ³æºÅ: 653607
3Â¥2010-12-28 17:53:52
xiegangmai
°æÖ÷ (Ö°Òµ×÷¼Ò)
- Ó¦Öú: 157 (¸ßÖÐÉú)
- ¹ó±ö: 5.735
- ½ð±Ò: 40609
- Ìû×Ó: 4046
- ÔÚÏß: 1330.2Сʱ
- ³æºÅ: 653607
4Â¥2010-12-28 17:59:43
wfwpq
Ìú¸Ëľ³æ (ÖøÃûдÊÖ)
- ²©Ñ§EPI: 1
- Ó¦Öú: 2 (Ó×¶ùÔ°)
- ½ð±Ò: 4829.6
- Ìû×Ó: 2343
- ÔÚÏß: 295.3Сʱ
- ³æºÅ: 566874
lewmihu(½ð±Ò+30, ²©Ñ§EPI+1): 2010-12-30 09:46:37
|
>> syms l h k;[l h k]=solve('cos(44.22*pi/180)=(0.5*h+0.2957*l-0.5*k)/sqrt(1.2597*(h^2+k^2+h*k+0.2957*l^2))','cos(71.778*pi/180)=(-0.5*k-h)/sqrt(h^2+k^2+h*k+0.2957*l^2)','2.5712*sqrt(4*(h^2+h*k+k^2)/(3*3.232^2)+l^2/5.147^2)=1') l = 0.1128765955661879120003069241437 h = -0.90654616138783667156059105710971 k = 1.2373847796375348971671727500807 ´ËΪMatlab×¼½âÎö½â |
5Â¥2010-12-28 18:19:25
wfwpq
Ìú¸Ëľ³æ (ÖøÃûдÊÖ)
- ²©Ñ§EPI: 1
- Ó¦Öú: 2 (Ó×¶ùÔ°)
- ½ð±Ò: 4829.6
- Ìû×Ó: 2343
- ÔÚÏß: 295.3Сʱ
- ³æºÅ: 566874
|
²¹³äһϰ¡£¬Ëĸö·½³ÌÖ»ÐèÒªÈý¸ö¼´¿É£¬ ÈôÖ»ÓúóÃæµÄÈý¸ö·½³ÌÊÇÎÞ½âÎö½âµÄ >> syms l h k;[l h k]=solve('cos(7.78*pi/180)=(-0.5*h+0.2958*l-k)/sqrt(1.2597*(h^2+k^2+h*k+0.2957*l^2))','cos(44.22*pi/180)=(0.5*h+0.2957*l-0.5*k)/sqrt(1.2597*(h^2+k^2+h*k+0.2957*l^2))','cos(71.778*pi/180)=(-0.5*k-h)/sqrt(h^2+k^2+h*k+0.2957*l^2)') Warning: Explicit solution could not be found. > In solve at 98 l = [ empty sym ] h = [] k = [] ±ØÐëʹÓõÚÒ»¸ö·½³Ì²Å¿ÉÒÔ |
6Â¥2010-12-28 18:26:07
7Â¥2010-12-28 22:35:55
sunshineck
Ìú¸Ëľ³æ (ÖøÃûдÊÖ)
- ²©Ñ§EPI: 51
- Ó¦Öú: 9 (Ó×¶ùÔ°)
- ½ð±Ò: 6751.2
- Ìû×Ó: 1868
- ÔÚÏß: 202.6Сʱ
- ³æºÅ: 554148
8Â¥2010-12-29 14:53:05
9Â¥2010-12-29 19:59:57
wfwpq
Ìú¸Ëľ³æ (ÖøÃûдÊÖ)
- ²©Ñ§EPI: 1
- Ó¦Öú: 2 (Ó×¶ùÔ°)
- ½ð±Ò: 4829.6
- Ìû×Ó: 2343
- ÔÚÏß: 295.3Сʱ
- ³æºÅ: 566874
|
>> syms l h k;[l h k]=solve('cos(7.78*pi/180)=(-0.5*h+0.2958*l-k)/sqrt(1.2597*(h^2+k^2+h*k+0.2957*l^2))','cos(71.778*pi/180)=(-0.5*k-h)/sqrt(h^2+k^2+h*k+0.2957*l^2)','2.5712*sqrt(4*(h^2+h*k+k^2)/(3*3.232^2)+l^2/5.147^2)=1') l = 0.10004078040232283602903575751671 h = -0.88087352251719425909330478731521 k = 1.2835490072381379552799134869021 ÄãÔÙÊÔÊÔÕâ¸ö¿´¿´£¬ÕâÒ»×é½âÊǸù¾ÝµÚ1¡¢2¡¢4¸ö·½³ÌËã³öÀ´µÄ |
10Â¥2010-12-30 13:38:30
wfwpq
Ìú¸Ëľ³æ (ÖøÃûдÊÖ)
- ²©Ñ§EPI: 1
- Ó¦Öú: 2 (Ó×¶ùÔ°)
- ½ð±Ò: 4829.6
- Ìû×Ó: 2343
- ÔÚÏß: 295.3Сʱ
- ³æºÅ: 566874
|
>> syms l h k;[l h k]=solve('cos(7.78*pi/180)=(-0.5*h+0.2958*l-k)/sqrt(1.2597*(h^2+k^2+h*k+0.2957*l^2))','cos(44.22*pi/180)=(0.5*h+0.2957*l-0.5*k)/sqrt(1.2597*(h^2+k^2+h*k+0.2957*l^2))','2.5712*sqrt(4*(h^2+h*k+k^2)/(3*3.232^2)+l^2/5.147^2)=1') Warning: possibly spurious solutions [solvelib::solve_sys] l = 0.2192212129795302796638513711869 -0.2192212129795302796638513711869 0.10849071521000389499775457145023 -0.10849071521000389499775457145023 h = -1.1081530884262844769818164731015 1.1081530884262844769818164731015 -0.88657016017767077026585302583889 0.88657016017767077026585302583889 k = 0.71670695842580947821001081264815 -0.71670695842580947821001081264815 1.2785744505905856362065314907789 -1.2785744505905856362065314907789 ÕâÊǸù¾ÝµÚ1¡¢2¡¢3¸ö·½³Ì¼ÆËã³öÀ´µÄ½â£¬¿ÉÄÜ»áÓмٽ⣬Äã¿ÉÒÔ½«h¡¢k¡¢l·Ö±ðÈ¡¶ÔÓ¦µÄÒ»×é½âÊÔÊÔ¿´ |
11Â¥2010-12-30 13:44:39
wfwpq
Ìú¸Ëľ³æ (ÖøÃûдÊÖ)
- ²©Ñ§EPI: 1
- Ó¦Öú: 2 (Ó×¶ùÔ°)
- ½ð±Ò: 4829.6
- Ìû×Ó: 2343
- ÔÚÏß: 295.3Сʱ
- ³æºÅ: 566874
12Â¥2010-12-30 13:46:07
13Â¥2010-12-31 10:30:17














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