事件

标记序列 ω

满足(·)关系的事件数

事件权重

S 1

{}

ε ( x 4 > x 3 > x 2 > x 1 )

1

S 2

{1}

ε ( x 4 > x 3 > x 2 = x 1 )

1/2

S 3

{2}

ε ( x 4 > x 3 = x 2 > x 1 )

1/2

S 4

{3}

ε ( x 4 = x 3 > x 2 > x 1 )

1/2

S 5

{1, 2}

ε ( x 4 > x 3 = x 2 = x 1 )

1/6

S 6

{1, 3}

ε ( x 4 = x 3 > x 2 = x 1 )

1/4

S 7

{2, 3}

ε ( x 4 = x 3 = x 2 > x 1 )

1/6

S 8

{1, 2, 3}

ε ( x 4 = x 3 = x 2 = x 1 )

1/24