 鲜花( 19)  鸡蛋( 0)
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Originally posted by 醉酒当歌 at 2005-4-3 20:41:
, ^9 G D' [7 m/ n4 E请教大家一道微分题,多谢!
# s. _, B6 D: Z. c7 c
( K: Z) V0 U2 J9 M5 P% L% \$ Kd [(a+bx) ] /dx = -kc +s , `+ x' u5 o; Z6 B) K- l
where: only x and c are unknown, others are all known, requiire c = function of x, what is this function?6 ?, g8 J# A- H
" a3 b3 X% [7 E S! q% J, T多谢了!
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[ Last edited by 醉酒 ... 7 w4 Z B( v5 q
1 X! h9 b' C O* z, U9 isorry, did you post another question? your statement is still not clear.
# ]" o2 W& N$ s2 K W2 v* H2 V; Q: O& ^" L7 r; t; h$ s! \' Y/ ^
a, b, s, k are constants? c means c(x) ?
: l6 V8 N" U2 R! O; \: U- p k+ K3 R' s$ C. w
please tell me. |
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