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y=0.00974+0.44363/[1+7.73113exp(x/0.29389)]求导是等于多少啊?
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y=0.00974+0.44363/[1+7.73113exp(x/0.29389)]求导是等于多少啊?
▼优质解答
答案和解析
y' =
-0.44363/[1+7.73113exp(x/0.29389)]^2 * [7.73113exp(x/0.29389)]/0.29389
= - 11.67022 exp(x/0.29389)]/[1+7.73113exp(x/0.29389)]^2
-0.44363/[1+7.73113exp(x/0.29389)]^2 * [7.73113exp(x/0.29389)]/0.29389
= - 11.67022 exp(x/0.29389)]/[1+7.73113exp(x/0.29389)]^2
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