Monotony of a function
Posted: Mon Nov 09, 2015 12:44 pm
Examine the monotony of the function:
$$f(j)=\prod_{i=-j}^{0}\sum_{k=0}^{\infty}\frac{i^k}{k!}, \; j \in \mathbb{Z}$$
$$f(j)=\prod_{i=-j}^{0}\sum_{k=0}^{\infty}\frac{i^k}{k!}, \; j \in \mathbb{Z}$$