sech


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sech

[sek]
(mathematics)
References in periodicals archive ?
A chirped sech pulse at position [xi] is then written as
The sech, tanh, csch, and the modified simplest equation method have been successfully applied to find solitons solutions for the coupled Schrodinger-Boussinesq equations.
[[OMEGA].sub.2] [approximately equal to] 1.570815495 [w.sup.2], [[rho].sub.2] (t) [approximately equal to] [+ or -] [cube root of 2w/[sigma]] [0.8896999239 sech (t [square root of [[OMEGA].sub.2]])
u(x, y, t) = -2[alpha] + [eta] + [omega]/3[mu] + 2 sech (kx + vy + [omega]t) + 12k ([alpha] + 2k[mu] + 2[mu][omega])/[alpha][omega] [sech.sup.2] (kx + vy + [[omega].sup.t]).
2- Manasb Fishing Method: Table (4) shows that small and large fishing boats have -37.3% and +2.3% efficiency changes (EFFCH) on average, respectively, even though both pure efficiency changes were negative, but the difference between small and large efficiency related to scale efficiency change (SECH).
sech 1/ 2 [square root of n] [is greater than or equal to] 1 - 1/8n.
In a year filled with milestoneA PabonA performed for the first time in the 2019 edition of Premios Juventud with a scorching hot performance of theA "(https://www.youtube.com/watch?v=79__e8MV8Xo) Pa Mi Remix "A alongside the new generation of artists Dalex,A Sech, Cazzu and Feid.
Meanwhile, top volume companies were namely: (NBK), (HITSTELEC), (SECH), (GPI), and (SOKOUK).
u ([xi]) = [n.summation over (i=1)] [sech.sup.i-1] [xi] ([A.sub.i] sech [xi] + [B.sub.i] tanh [xi]), (1)
“We are committed to save our customers time and money while making their minivan purchase experience fun and memorable,” said Sech Durmaz, General Sales Manager.