Difference between revisions of "Cosine integral"
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*[http://dlmf.nist.gov/8.21 Generalized Sine and Cosine Integrals] | *[http://dlmf.nist.gov/8.21 Generalized Sine and Cosine Integrals] | ||
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[[Category:SpecialFunction]] | [[Category:SpecialFunction]] | ||
Revision as of 23:08, 11 June 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
Relationship between exponential integral Ei, cosine integral, and sine integral
Videos
Laplace transform of cosine integral
