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hyperbolic secant

   Also found in: Acronyms, Wikipedia 0.02 sec.
hyperbolic secant [¦hī·pər¦bäl·ik ′sē‚kant]
(mathematics)
A function whose value is equal to the reciprocal of the value of the hyperbolic cosine. Abbreviated sech.


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2] exp (-[square root]2 * \[tau]\/[sigma]) Hyperbolic Secant 1/2[sigma] sech ([pi][tau]/2[sigma]) Generalized Gaussian 1/2[gamma](5/4)a exp (-[[tau].
Global and Local Optimization Algorithms for Optimal Signal Set Design by Kearsley, Anthony J. / Journal of Research of the National Institute of Standards and Technology
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