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secant
secant method
secant method An
iterative method for finding a root of the
nonlinear equation f(
x) = 0. It is given by the formula
xn+2 =
xn+1 – (
xn+1 –
xn)[
f(
xn+1)/(
f(
xn+1) –
f(
xn))]
n = 0, 1, 2, …
where
x0 and
x1 are given starting values. This formula is derived by replacing
f(
x) by a straight line based on the last two iterates. Convergence is ultimately less rapid than for
Newton's method, but it can be overall more efficient on some problems since derivatives are not required.
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Secant Forges Ahead with Leadership Position in Application Server Market at JavaOne.
Business Wire; 6/15/1999; 700+ words
; ...gear with next-generation versions of Secant's entire Java-based product line...partnerships, and a significant customer win. Secant Technologies, Inc. the leading provider...active and generating significant results, Secant has proven again that it is a powerful...
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Secant Technologies Unveils Powerful New Application Server with Support for the Java 2 Platform, Enterprise Edition.
Business Wire; 12/7/1999; 700+ words
; ...YORK and CLEVELAND--(BUSINESS WIRE)--Dec. 7, 1999-- Secant upgrades award-winning Secant Extreme Enterprise Server for Enterprise JavaBeans(tm) Technology Secant Technologies, Inc., the leading provider of advanced application...
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Secant Technologies Unleashes Full Line of Secant Extreme e-Business Infrastructure Products for Linux, Announces Key Technology Partnerships, and Profiles Premier Customer.
Business Wire; 2/1/2000; 700+ words
; ...BUSINESS WIRE)--Feb. 1, 2000 Secant Takes LinuxWorld Expo by Storm LinuxWorld Conference and Expo, Booth 224 Secant Technologies, Inc., the leading...integration products on Linux. The Secant Extreme(TM) family includes the...
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Secant Extreme Persistent Object Service Wins Editor's Choice Award for Middleware.
PR Newswire; 12/22/1998; 700+ words
; Secant Product Praised as Best Java Middleware...CLEVELAND, Dec. 22 /PRNewswire/ -- Secant Technologies, the leading provider of advanced...Editor's Choice Award for Middleware. Secant received the award for its highly regarded...
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Secant Technologies Secures $6M in First Round Financing; Primus Venture Partners Lead Investor as VC Company Looks to Round Out Its e-Business Infrastructure Portfolio.
Business Wire; 8/7/2000; 700+ words
; ...BUSINESS WIRE)--August 7, 2000 Secant Technologies, Inc., today announced...Primus Venture Partners, Inc. Recognizing Secant Technologies' strong management team...positioned itself as the lead investor in Secant's $6 million first round of fundraising...
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Secant corralling cash for sales, staff growth.(Secant Technologies Inc.)(Brief Article)(Statistical Data Included)
Magazine article from: Crain's Cleveland Business; 8/14/2000; ; 700+ words
; Secant Technologies Inc., a software producer...John Schwalm, chief executive officer of Secant, said the company expects to raise another...round led by Primus Venture Partners Inc., Secant will have $15 million to deploy a more...
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Secant Technologies Announces Availability of Extreme Persistence for Java and C++
PR Newswire; 7/27/1998; 700+ words
; ...CLEVELAND, July 27 /PRNewswire/ -- Secant Technologies, Inc., provider of advanced...announced the July 27 availability of Secant Extreme Persistence(TM) for Java and...database tables," said John Schwalm, Secant president and chief executive officer...
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Secant Technologies Announces Availability of Secant Extreme Enterprise Server for Enterprise JavaBeans.
PR Newswire; 12/8/1998; 700+ words
; Secant to Demo New Product for Java Business Expo...Booth #973, Dec. 8 /PRNewswire/ -- Secant Technologies, the leading provider of advanced...announced today the year-end availability of Secant Extreme Enterprise Server(TM) for EJB...
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SECANT SIZES UP GROWTH POTENTIAL: SOFTWARE FIRM EAGER TO SHED 'SMALL' LABEL WITH BUSINESS BOOST.
Magazine article from: Crain's Cleveland Business; 8/16/1999; ; 700+ words
; The biggest problem these days for Secant Technologies Inc. is being known as a...which are jostling right along with Secant for pieces of a hot new software market...out a place in that emerging market, Secant plans to open sales offices in New York...
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Secant Technologies Licenses Sun's Java 2 Platform, Enterprise Edition; Secant Brings Integrated Model-Driven Approach to the J2EE Platform.
Business Wire; 1/16/2001; 700+ words
; ...BUSINESS WIRE)--Jan. 16, 2001 Secant Technologies, provider of the Model...technology. With this technology, Secant customers will continue to benefit from industry standard solutions through Secant's Extreme Enterprise Server(TM...
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secant
Book article from: The Columbia Encyclopedia, Sixth Edition
secant in mathematics. 1 In geometry, a secant is a straight line cutting a curve or surface. If it intersects the curve in two different points, as in the secant of a circle , the segment of the secant between the points...
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secant method
Book article from: A Dictionary of Computing
secant method An iterative method for finding a root of the nonlinear equation f ( x ) = 0. It is given by the formula x n +2 = x n...
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Pitiscus, Bartholomeo
Dictionary entry from: Complete Dictionary of Scientific Biography
...or the Tables, of Sines. Tangents and Secants, the Radius Assumed to be 100000...tangent ” and “ secant ” that Pitiscus used proceeded...of the tables of sines, tangents, and secants. This book includes the definitions of...
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Maurolico, Francesco
Dictionary entry from: Complete Dictionary of Scientific Biography
...stated that Maurolico had been the first to make use of the trigonometric function of the secant. Maurolico did give a table of numerical values for he secants o 0 ° to 45 ° (the “ tabella benefica ” ), but Copernicus...
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airmass
Book article from: A Dictionary of Astronomy
...the zenith and approximately 2 at an altitude of 60°. It is approximately the secant of the zenith distance, but rises more slowly as the star approaches the horizon, becoming 1% less than the secant at 17° altitude.
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