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请教是否是单调函数

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opuikl_0 posted 2017-8-10 04:55 |Read mode
$$g(s):= \frac{1}{\Gamma(\alpha)}(t-s)^{\alpha-1}$$
其中 $s\in[0,t]$, $\alpha\in(1/2,1)$.

请教各位,这个函数是单调函数吗?是的话,递增还是减?谢谢!

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kuing posted 2017-8-10 10:16
自变量是 s 的话,那就一幂函数而已,显然单增

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其妙 posted 2017-8-13 17:51
伽马函数来唬人啦

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