Control Theory
Perturbation methods are mathematical techniques used to find an approximate solution to a problem that cannot be solved exactly, by introducing a small parameter that represents a perturbation. These methods help simplify complex problems, making them more manageable by analyzing how a system responds to small changes or disturbances from a known solution. This approach is particularly useful in various fields, including physics and engineering, as it allows for the analysis of stability and behavior in dynamic systems.
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