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k1、k2都增大,k1/k2增大; k1增大,k2减小,k1/k2增大; k1、k2都增大,k1/k2不变; k1和k2都增大,k1/k2减小。
k=k1+k2+k3+……+kn; k=k1•k2•k3•……•kn; k=k1÷k2÷k3÷……÷kn; 以上公式都错。
(4,10,15,72,39,23,18) (58,27,36,12,8,23,9) (4,10,18,72,39,23,15) (58,36,27,12,8,23,9)
(4,10,15,72,39,23,18) (58,27,)6,12,8,23,9) (4,10,18,72,39,23,15) (58,36,27,12,8,23,9)
关键字序列K1,K2,…,Kn呈非递减排序时一定为小根堆 小根堆中的序列K1,K2,K4,…,一定为非递减序列 小根堆中元素K2i与之间的大小关系不能确定 小根堆的最后一个元素一定是序列的最大元素
59,53,48,46,37,31,25 59,46,53,48,37,31,25 59,37,53,25,31,46,48 59,53,48,3l,25,46,37
(5,10,15,76,39,27,18) (5,10,18,76,39,27,15) (59,27,36,15,8,25,9) (59,36,27,15,8,25,9)
59,53,48,46,37,31,25 59,46,53,48,37,31,25 59,37,53,25,31,46,48 59,53,48,31,25,46,37
(4,10,15,72,39,23,18) (58,27,36,12,8,23,9) (4,10,18,72,39,23,15) (.58,36,27,12,8,23,9)
12,20,36,48,25,50,40 12,36,20,48,40,25,50 12,20,25,36,40,48,50 12,36,20,48,25,50,40
对任意的k1≠0和k2≠0,k1ξ+k2η,都是A的特征向量 存在常数k1≠0和k2≠0,使得k1ξ+k2η,是A的特征向量 存在任意的k1≠0和k2≠0,k1ξ+k2η,都不是A的特征向量 仅当k1=k2=0时,k1ξ+k2η,是A的特征向量
(5,10,15,76,39,27,18) (5,10,18,76,39,27,15) (59,27,36,15,8,25,9) (59,36,27,15,8,25,9)