SEC

(redirected from secant)
Also found in: Dictionary, Thesaurus, Medical, Financial, Acronyms, Encyclopedia, Wikipedia.
Related to secant: cosecant

SEC

An abbreviation for the Securities and Exchange Commission.

West's Encyclopedia of American Law, edition 2. Copyright 2008 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
and we will establish the convergence ball and give the error analysis of the modified secant method for the nonlinear equation.
Berger has been making match-grade bullets for decades and is the first to popularize the "hybrid" ogive that combines the best characteristics of the secants and tangents.
Secant Medical is a business unit of Fenner PLC, a worldwide leader in reinforced polymer engineering headquartered in Yorkshire, England.
(4) The cyclic secant modulus firstly increases and then decreases and finally tends to a stable value with increasing numbers of cycles.
The Secant Method: It is well known that Secant method is more useful then Newton's method because the former method needs iterations without derivative that may be harder in various cases.
It is obvious that the secant method does not always converge, but when it does, it does so faster than the bisection method.
In order to employ the objective function information in addition to the gradient information, recently Babie-Kafaki [9] made a modification on the SCALCG, using a revised form of the modified secant equation suggested by Zhang et al.
where [[phi].sub.1, [[phi].sub.2] are the secant (standard) latitudes, -[pi]/2 < [[phi].sub.1] < [[phi].sub.2] < [pi]/2, that is, such latitudes where elementary spherical arch length is equal to projection arc length.
Robertson joined Secant Medical from ARmark Authentication Technologies, LLC co-developed ARmark Authentication Technologies in 2005 and served as director and general manager.