Intro to Quantum Mechanics II
Linearity refers to the property of a system or transformation where the output is directly proportional to the input. This principle means that if you combine inputs, the result will be the same as if you applied the transformation to each input separately and then combined the results. In the context of Fourier analysis and transformations, linearity is crucial as it allows for the superposition of waveforms and simplifies the analysis of complex signals by breaking them down into simpler components.
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