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These notes give an outline of all of the major topics that we covered in Ch. 1 - Ch. 3, which will be covered on the midterm exam 1 on Thursday, October 13.
These notes start off Ch. 6 in the textbook. While first order linear systems are a review of earlier chapters, these notes (and this chapter) introduces first order linear systems with NON CONSTANT COEFFICIENTS and with matrices of size N x N (not just 2 x 2). Specifically these notes cover how to transform an ODE of nth order into an n x n matrix.