Results 231 to 240 of about 1,168,562 (287)

Second-order variational analysis of PV-battery energy management using jacobi equations. [PDF]

Sci Rep
Mundu MM, Basajja M, Kweyu E, Ssempewo JI, Nnamchi SN, Uti DE.   +5 more
europepmc   +1 more source

Low-Rank Variational Correction Estimation for Multi-Source Heterogeneous Quantile Linear Regression Models. [PDF]

Stat Med
Li H, Luo L, Wang M, Tang N.
europepmc   +1 more source

The role of fluctuations in the nucleation process. [PDF]

Proc Natl Acad Sci U S A
Deng Y, Kang P, Xu X, Li H, Parrinello M.   +4 more
europepmc   +1 more source

A Generalized Variational Principle

Canadian Journal of Mathematics, 2001
AbstractWe prove a strong variant of the Borwein-Preiss variational principle, and show that on Asplund spaces, Stegall's variational principle follows from it via a generalized Smulyan test. Applications are discussed.
Loewen, Philip D., Wang, Xianfu
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A Variational Principle for Scattering

Physical Review, 1952
A variational principle is presented for the phase shifts ${\ensuremath{\delta}}_{l}$ of a central force scattering problem. This generalizes the principles of Schwinger and Hulth\`en for $S$-state scattering in that (a) it is applicable to states of higher angular momentum, and (b) it depends explicitly on the "inside" wave function only.
Feshbach, Herman, Rubinow, S. I.
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A variational principle in optics

Journal of the Optical Society of America A, 2004
We derive a new variational principle in optics. We first formulate the principle for paraxial waves and then generalize it to arbitrary waves. The new principle, unlike the Fermat principle, concerns both the phase and the intensity of the wave. In particular, the principle provides a method for finding the ray mapping between two surfaces in space ...
Jacob, Rubinstein, Gershon, Wolansky
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On the Generality of Variational Principles

Milan Journal of Mathematics, 2003
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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On Schwinger’s variational principle

Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences, 1957
Abstract The classical and quantum theories of dynamical systems whose Lagrangians are linear in the co-ordinate derivatives are studied, with a view to clarifying a number of points in relation to Schwinger’s quantum-mechanical variational principle.
Kibble, T. W. B., Polkinghorne, J. C.
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Complementary variational principles and variational-iterative principles

Journal of Physics A: Mathematical and General, 1981
Complementary variational principles for the solution of certain linear equations are developed. It is shown that these may be used iteratively for the solution of nonlinear equations. Examples are presented with applications in particle theory, electromagnetic theory, communication theory and the Thomas-Fermi statistical theory for atoms.
Burrows, B. L., Perks, A. J.
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