نتایج جستجو برای: Polynomial equations

تعداد نتایج: 327367  

Journal: :iranian journal of optimization 2010
m. salehnegad s. abbasbandy m. mosleh m. otadi

in this paper, the concept of canonical representation is proposed to find fuzzy roots of fuzzy polynomial equations. we transform fuzzy polynomial equations to system of crisp polynomial equations, this transformation is perform by using canonical representation based on three parameters value, ambiguity and fuzziness.

M. Mosleh M. Otadi, M. Salehnegad S. Abbasbandy

In this paper, the concept of canonical representation is proposed to find fuzzy roots of fuzzy polynomial equations. We transform fuzzy polynomial equations to system of crisp polynomial equations, this transformation is perform by using canonical representation based on three parameters Value, Ambiguity and Fuzziness. 

Journal: :computational methods for differential equations 0
khalid k. ali department of mathematics, faculty of since, al-azhar univesity kamal raslan mathematics department, faculty of science, al-azhar university, nasr-city, cairo, egypt. talaat el danaf mathematics department, faculty of science, menoufia university, shebein el-koom, egypt.

in this paper, non-polynomial spline method for solving coupled burgers’ equations are presented. we take a new spline function. the stability analysis using von-neumann technique shows the scheme is unconditionally stable. to test accuracy the error norms2l, ∞l are computed and give two examples to illustrate the sufficiency of the method for solving such nonlinear partial differential equatio...

Elzaki transform and Adomian polynomial is used to obtain the exact solutions of nonlinear fifth order Korteweg-de Vries (KdV) equations. In order to investigate the effectiveness of the method, three fifth order KdV equations were considered. Adomian polynomial is introduced as an essential tool to linearize all the nonlinear terms in any given equation because Elzaki transform cannot handle n...

Journal: :Journal of Differential Equations 1977

Journal: :Proceedings of the American Mathematical Society 1976

Journal: :Demonstratio Mathematica 2012

Journal: :Journal for History of Mathematics 2014

ژورنال: علوم آب و خاک 2018

The most important factor in determining crop water requirement is estimation of evapotranspiration (ET). Majority of the methodsestimate ET apply series of relatively complex formula,which is then used to determine crop evapotranspiration (ETc). The parameters used in aforesaid methods are: Solar radiation, wind speed, humidity, etc. Unfortunately, in Iran and many countries, long-term records...

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