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Linear Algebra Cheat Sheet (DRAFT) by

Linear Algebra Reykjavik University Final Exam cheat sheet

This is a draft cheat sheet. It is a work in progress and is not finished yet.

Basics

scalar * vector
k * [a, b, c] = [ka, kb, kc]
vector + vector
[a, b, c] + [d, e, f] = [a+d, b+e, c+f]
vector * vector
[u1,u2­]*[v1, v2] = (u1 * v1)+(u2 * v2)
 

Matrix * Matrix