CS223 · Annotated SlidesChapter 4 — Applications to Difference Equations and Signals
Chapter 4 · Annotated slides

Applications to Difference Equations and Signals

Discrete-time signals, periodic signals, linear difference equations, and the solution space of a homogeneous linear difference equation.

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  1. A discrete signal is a sequence {yₖ}. A linear difference equation: a₀yₖ₊ₙ + … + aₙyₖ = zₖ.
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        1. Solutions of a homogeneous n-th order linear difference equation form an n-dimensional space; try yₖ = rᵏ to get the auxiliary equation.

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