Difference between revisions of "Cosine integral"
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| − | [https://www.youtube.com/watch?v=BAme-njI8sE Laplace transform of cosine integral] | + | [https://www.youtube.com/watch?v=BAme-njI8sE Laplace transform of cosine integral (2 January 2015)] |
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Revision as of 01:18, 21 December 2016
The cosine integral is defined by $$\mathrm{Ci}(z) = -\displaystyle\int_z^{\infty} \dfrac{\cos t}{t} \mathrm{d}t, \quad |\mathrm{arg} z|<\pi.$$
Graph of $\mathrm{Ci}$.
Domain coloring of $\mathrm{Ci}$.
Relationship to other functions
Derivative of cosine integral
Antiderivative of cosine integral
Relationship between exponential integral Ei, cosine integral, and sine integral
Videos
Laplace transform of cosine integral (2 January 2015)
