7,129
个编辑
更改
→函数生成方法
:<math>
:<math>
G_0(x) = \textstyle \sum_{k} \displaystyle P(k)x^k
G_0(x) = \textstyle \sum_{k} \displaystyle P(k)x^k
</math>和<math>
</math> 和 <math>
G_1(x) = \textstyle \sum_{k} \displaystyle q(k)x^k = \textstyle \sum_{k} \displaystyle \frac{k}{\langle k \rangle}P(k)x^{k-1}
G_1(x) = \textstyle \sum_{k} \displaystyle q(k)x^k = \textstyle \sum_{k} \displaystyle \frac{k}{\langle k \rangle}P(k)x^{k-1}
</math>
</math>