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MAT244--Lectures & Home Assignments / Real Repeated Eigenvalue

« on: December 11, 2018, 03:37:44 PM »

Has anyone encountered an example in which a matrix $A$ has two independent eigenvectors with eigenvalue $\lambda$, and the phase portrait would therefore be an unstable or stable proper node?

If so, please share! If it's in the textbook, a page number is fine!

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MAT244--Lectures & Home Assignments / Typo in 'Assigned exercises from Review for Chapter 2'

« on: October 06, 2018, 08:24:28 PM »

Note that as per the 10th Edition of Boyce-DiPrima, Problem 40 should read: $y''+y'=e^{-t}$, not $y''+y'=e^-t$

OK. Fixed