Linear Algebra - Lecture 29: Linear Dependence and Independence

We introduce linear dependence and linear independence of sets of vectors, as a way of capturing the idea that some vectors don't contribute anything to their span (i.e., they are redundant or not needed).

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Timestamps:
00:00 - Introduction
02:36 - Definition
04:07 - Examples
10:54 - Theorem for checking linear (in)dependence
12:18 - Assorted facts
18:28 - Linear independence and invertible matrices