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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Revision as of 23:08, 11 June 2016

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

Relationship to other functions

Relationship between exponential integral Ei, cosine integral, and sine integral

Videos

Laplace transform of cosine integral

References

$\ast$-integral functions