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Newton and

The HE, GVB, local MP2, and DFT methods are available, as well as local, gradient-corrected, and hybrid density functionals. The GVB-RCI (restricted configuration interaction) method is available to give correlation and correct bond dissociation with a minimum amount of CPU time. There is also a GVB-DFT calculation available, which is a GVB-SCF calculation with a post-SCF DFT calculation. In addition, GVB-MP2 calculations are possible. Geometry optimizations can be performed with constraints. Both quasi-Newton and QST transition structure finding algorithms are available, as well as the SCRF solvation method. [Pg.337]

By contrast, in SI units, the coulomb (C) is the unit of charge and is defined as an ampere second (A sec). To reconcile this with newtons and meters, the units of F and r, respectively, a proportionality constant that is numerically different from unity and which has definite units is required. For charges under vacuum we write... [Pg.715]

Techniques used to find global and local energy minima include sequential simplex, steepest descents, conjugate gradient and variants (BFGS), and the Newton and modified Newton methods (Newton-Raphson). [Pg.165]

R. Newton and S. Davidson, Conservation of Glass, Butterworths, London, 1989. [Pg.432]

W. E. Newton and W. H. Orme-Johnson, eds.. Nitrogen Eixation, University Park Press, Baltimore, Md., 1980. [Pg.93]

W. E. Newton and C. J. Nyman, eds.. Proceedings of the First Symposium on Nitrogen Fixation., Washiagton State University Press, Pullman, Wash.,... [Pg.94]

Y, Z, E, P, T, G, and M, the prefixes for lO and above, are capitalized, as are the symbols whose unit names have been derived from proper names, eg, N for newton (Sk Isaac Newton) and Pa for pascal (Blaise Pascal) an exception is the use of L for Hter. [Pg.310]

H. Basch, M. D. Newton and J. W. Moskowitz, The electronic structure of small nickel atom clusters , J. Chem. Phys. 73 4492 (1980). [Pg.266]

James Clerk Maxwell is the one theoretical physicist between Isaac Newton and Albert Einstein of a stature comparable to theirs. Maxwell s contributions to science ranged over many areas, of which the two greatest were his creation of the electromagnetic the-oiy of light, and his work on molecular physics, gas theoiy, and statistical mechanics. He entered the scientific scene in the early 1850s, immediately after the principle of conseiwation of energy had been established. Its impact is seen everywhere in his work. [Pg.781]

Extrapolation is required if f(x) is known on the interval [a,b], but values of f(x) are needed for x values not in the interval. In addition to the uncertainties of interpolation, extrapolation is further complicated since the function is fixed only on one side. Gregory-Newton and Lagrange formulas may be used for extrapolation (depending on the spacing of the data points), but all results should be viewed with extreme skepticism. [Pg.69]

The correct position operator and localized amplitudes were worked out by various investigators,13 in particular Newton and Wigner14 and Foldy and Wouthuysen.15 The latter authors indicated that the amplitude... [Pg.536]


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