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Damped Exponential Cosine Integral

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int_0^inftye^(-omegaT)cos(omegat)domega=T/(t^2+T^2),

which can be computed using integration by parts.

See also

Cosine Integral, Exponential Decay, Fourier Transform--Lorentzian Function, Lorentzian Function

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Cite this as:

Weisstein, Eric W. "Damped Exponential Cosine Integral." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/DampedExponentialCosineIntegral.html

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