fung

Originally posted by milk~~ at 2006-5-8 10:38 PM:
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對~~!& i9 w5 [5 f  x0 q! C/ C/ F/ F
simple harmonic motion

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: }0 \/ y& d( k# l仲要with damping

fung

Originally posted by gaye at 2006-5-8 11:35 PM:# l- ~4 V0 B, s, `+ O
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但假如我唔係 North Pole jump 落...

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; T/ F) i& E* A, G4 \咁我諗要睇你點define上同落* _5 f6 B* }( H9 }3 l1 i# t9 ?, S

$ b) C+ l' J" A' k" v: h' X好似好廢...  H0 p, e* E+ x4 ~8 T& F. d
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即係話如果你設由north -> south為落
3 ?: F+ v: e5 W由core去到south, 對north而言依然叫落
1 A+ `8 T/ d/ L4 n6 i+ d1 Ivice versa( [$ e( e. @2 Y$ {) Y

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反而有樣野你要bear in mind ge係& }  e! N/ B$ \/ r1 M
由core出發, 要input energy