问题

使用 magma 定义函数 $f(n,q)=\Pi_{i=1}^{n}q^n-q^{i-1}$.

Posted by haifeng on 2011-08-07 17:00:23 last update 2011-08-07 17:01:19 | Answers (0) | 收藏

>f:=func < n,q|&*[q^n-q^(i-1):i in [1..n]] >;
>f(5,3);