EXCEL - Part B

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Mabel

2010-05-30 4:49 am

http://i409.photobucket.com/albums/pp172/momoko_deedee/Part_B.jpg

有冇人知道點做....!?

唔識呀...唔該幫幫手丫><

thx alot~~*

更新1:

Discuss what time step delta t would be the best for this problem. so...how do i determine which one is better..?

回答 (1)

用戶9112

2010-05-30 6:27 am

✔ 最佳答案

Please download the data file:
http://www.funp.net/902374

圖片參考：http://img571.imageshack.us/img571/4361/69247720.png

2010-05-30 19:56:17 補充：
For delta t = 0.1 - 0.8, the amplitude of the calculated speed follows closely with the actual speed. For increased value of delta t, the noise level is lowered. So delta t=0.8 is a good choice. For delta t=2.4, the calculated speed is significantly lower than the actual.

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