摘要:
Bob has a not even coin, every time he tosses the coin, the probability that the coin's front face up is \frac{q}{p}(\frac{q}{p} \le \frac{1}{2})pq 阅读全文
摘要:
思路: 第一列元素为: 0 a1 a2 a3 a4 转化为: 23 a1 a2 a3 a4 3 则第二列为: 23*10+3 23*10+3+a1 23*10+3+a1+a2 23*10+3+a1+a2+a3 23*10+3+a1+a2+a3+a4 3 根据前后两列的递推关系,有等式可得矩阵A的元素 阅读全文