Lecture 1: The Geometry of Linear Equations

The fundamental problem of Linear Algebra is to solve a system of linear equations.

1. Row Picture
   Picture of one equation at a time. An example is where 2x2 equation where the lines meet.

2. ** *Column picture**
   Star next to it because it’s such an important one. Column at a time.

3. Matrix form
   Look at the problem in matrix form and calling that matrix A

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