nchoosek

Syntax

C=nchoosek(n,k)

C=nchoosek(v,k)

Inputs

n

The number of items from which to choose.

Type: integer

Dimension: scalar

v

The list of items from which to choose.

Type: integer

Dimension: vector

k

The number of items to choose.

Type: integer

Dimension: scalar

Outputs

C

The number of combinations or the list of combinations stored by row.

Examples

Number of combinations example:

C = nchoosek(9,4)

C = 126

C = nchoosek([10,20,30,40,50],3)

C = [Matrix] 10 x 3
10  20  30
10  20  40
10  20  50
10  30  40
10  30  50
10  40  50
20  30  40
20  30  50
20  40  50
30  40  50