Difference between revisions of "Cosine integral"

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File:Ci.png|Graph of $\mathrm{arccos}$ on $(0,20)$.
 
File:Ci.png|Graph of $\mathrm{arccos}$ on $(0,20)$.
 +
File:Domain coloring cosine integral.png|[[Domain coloring]] of [[analytic continuation]] of $\mathrm{Ci}$.
 
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</gallery>
 
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Revision as of 18:40, 25 July 2015

The cosine integral is defined by $$\mathrm{Ci}(z) = -\displaystyle\int_z^{\infty} \dfrac{\cos t}{t} dt ; |\mathrm{arg} z|<\pi.$$


Videos

Laplace transform of cosine integral

References

<center>$\ast$-integral functions
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