5.2 - The Characteristic Equation

[@YasinFarid04]

The way it connects back to basic algebraic principles truly highlights the interconnectedness of mathematics.

[@sarahstets]

solving partial differential equations knowledge will be very useful for next semester when I do ODE….

[@Elijah_Hoenig]

The second warning is really easy to prove since a 2x2 matrix that's row equivalent to to I2 can obviously have eigenvalues other than λ=1, including the examples in 1.