Paolo Amore, Francisco M Fernández
Published 2009-04-24, updated 2009-05-06Version 2
We show that the virial theorem provides a useful simple tool for approximating nonlinear problems. In particular we consider conservative nonlinear oscillators and a bifurcation problem. In the former case we obtain the same main result derived earlier from the expansion in Chebyshev polynomials.
Virial theorem in quasi-coordinates and Lie algebroid formalism
Edge states in 2D lattices with hopping anisotropy and Chebyshev polynomials
Radiation Pattern Reconstruction Techniques for Antenna Measurement using Chebyshev Polynomials
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