作者kuogary1 (小郭)
看板NTU-Exam
标题[问题] 关於logistic equation的问题
时间Sat Nov 22 15:03:12 2008
(3) A group of 1200 Formosan Landlocked Salmon are released into a mountain
lake. It is estimated that the capacity of the lake for the species is
20400. After the first year, there are 2000 Formosan Landlocked Salmon
in the lake.
(a) Write a logistic equation that models the number of Formosan
Landlocked Salmon in the lake (8 points).
(b) Find the number of Formosan Landlocked Salmon in the lake after
8 years (8 points).
有人可以告诉我这题到底在讲什麽吗?
他没有给我们年增加速率,该怎麽列式子阿?
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人变少了,可凭吊的遗迹也多了。
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1F:→ ShawSean :初始值是1200,过了一年变成2000,不就有速率了? 11/22 17:28