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Results tagged with real-analysis
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user 163821
Real-valued functions of real variable, analytic properties of functions and sequences, limits, continuity, smoothness of these.
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When is it possible to use the Parseval-Plancherel identity to solve an integral?
Recall the identity that Fourier transform of $K(x)=\text{sech}(x)$ is $\tilde K(p)=\pi \text{sech}\left(\frac{\pi p}{2}\right)$.
Using this identity the Fourier transform of $\frac{\text{sech} {x}} …
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