Fermat's principle in inhomogeneous anisotropic media

Ivan Psencik

Summary

It is shown that the ray tracing equations for inhomogeneous anisotropic media are equations of extremals of the Fermat functional for such media.

Keywords

Fermat's principle, Fermat's functional, extremals, rays.

Whole paper

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In: Seismic Waves in Complex 3-D Structures, Report 6, pp. 175-177, Dep. Geophys., Charles Univ., Prague, 1997.
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