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= MA 265 Chapter 3 Sections 3.1-3.2  =
 
= MA 265 Chapter 3 Sections 3.1-3.2  =

Revision as of 10:21, 25 April 2011


MA 265 Chapter 3 Sections 3.1-3.2

By: Daniel Ford

What are determinants?

To understand determinants, you must first know about permutations.

If D = {1, 2,....,n} a set of integers from 1 to n in ascending order, then a permutation is the rearrangement of an integer in D.

Example:

If D = {6, 7, 8, 9}, then 7689 would be a permutation of D.  This corresponds to the function f: D→ D defined by

        




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