Combination -- from Wolfram MathWorld
https://mathworld.wolfram.com/Combination.html2 dager siden · For example, there are combinations of two elements out of the set , namely , , , , , and . These combinations are known as k -subsets . The number of combinations can be computed in the Wolfram Language using Binomial [ n , k ], and the combinations themselves can be enumerated in the Wolfram Language using Subsets [ Range [ n ], k ].
Combination -- from Wolfram MathWorld
mathworld.wolfram.com › Combination2 days ago · For example, there are combinations of two elements out of the set , namely , , , , , and . These combinations are known as k -subsets . The number of combinations can be computed in the Wolfram Language using Binomial [ n , k ], and the combinations themselves can be enumerated in the Wolfram Language using Subsets [ Range [ n ], k ].
Binomial—Wolfram Language Documentation
reference.wolfram.com › language › refBinomial represents the binomial coefficient function, which returns the binomial coefficient of and . For non-negative integers and , the binomial coefficient has value , where is the Factorial function. By symmetry, . The binomial coefficient is important in probability theory and combinatorics and is sometimes also denoted.