pair of solutions
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Pair programming — is an agile software development technique in which two programmers work together at one workstation. One, the driver, types in code while the other, the observer (or navigator[1]), reviews each line of code as it is typed in. The two programmers … Wikipedia
ion pair — ▪ chemistry and physics in physics and chemistry, a duplex of charged particles (ordinarily charged atoms or molecules), one positive, the other negative. An ion pair, for the physicist, is the positively charged particle (positive ion) and … Universalium
Lax pair — In mathematics, in the theory of differential equations, a Lax pair is a pair of time dependent matrices that describe certain solutions of differential equations. They were developed by Peter Lax to discuss solitons in continuous media. The… … Wikipedia
Intimate ion pair — In chemistry the intimate ion pair concept introduced by Saul Winstein describes the interactions between a cation, anion and surrounding solvent molecules.[1] In ordinary aqueous solutions of inorganic salts an ion is completely solvated and… … Wikipedia
Certified Solutions Expert — Abbreviated CSE. A pair of Internet certifications from IBM. CSE: Net.Commerce is aimed at the developers of Internet store fronts and other financial transactions over the Internet. CSE: Firewall is a security related certification … Dictionary of networking
Problem of Apollonius — In Euclidean plane geometry, Apollonius problem is to construct circles that are tangent to three given circles in a plane (Figure 1); two circles are tangent if they touch at a single point. Apollonius of Perga (ca. 262 BC ndash; ca. 190 BC)… … Wikipedia
Linear differential equation — In mathematics, a linear differential equation is a differential equation of the form: Ly = f ,where the differential operator L is a linear operator, y is the unknown function, and the right hand side fnof; is a given function (called the source … Wikipedia
Quartic equation — In mathematics, a quartic equation is one which can be expressed as a quartic function equalling zero. The general form of a quartic equation is:ax^4+bx^3+cx^2+dx+e=0 ,where a ne; 0.The quartic is the highest order polynomial equation that can be … Wikipedia
Hypergeometric differential equation — In mathematics, the hypergeometric differential equation is a second order linear ordinary differential equation (ODE) whose solutions are given by the classical hypergeometric series. Every second order linear ODE with three regular singular… … Wikipedia
DIOPHANTIENNES (APPROXIMATIONS) — La théorie des approximations diophantiennes concerne principalement l’approximation des irrationnels par des rationnels. Dans le cas d’un seul irrationnel, un rôle essentiel est joué par les fractions continuées (utilisées dès 1650 par Huygens… … Encyclopédie Universelle
Laplace's equation — In mathematics, Laplace s equation is a partial differential equation named after Pierre Simon Laplace who first studied its properties. The solutions of Laplace s equation are important in many fields of science, notably the fields of… … Wikipedia
