Categories: All - counting - combinations - sequences

by John Barr 7 years ago

673

Combinatorics

The focus is on various combinatorial techniques and rules used in mathematical counting processes. It explores fundamental concepts such as permutations, combinations, and multisets, which are essential for understanding the arrangement and selection of items.

Combinatorics

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Counting Multisets

indistinguishable items
distinguishable items
8.5

Counting by Complement

7.8

Line-ups

8.1

Sum Rule

mutually disjoint

Permutations with repetition

7.9
8.4

Combinations

8.3

r-permutations

Permutation

Product Rule

7.5
7.4
7.2
8.2
Sequences
strings

7.6

alphabet

sets

Multi-counting

7.7
7.1