 ... methods conducted to the same result. Object of the present paper is the analytical demonstration and the extension to «-dimensional space of a third mode of generation, equally due to Mannheim, according to which the wave-surface is the locus of...  Proceedings of the Edinburgh Mathematical Society - Page 51by Edinburgh Mathematical Society - 1898Full view - About this book
 | Mathematics - 1899 - 744 pages
...according to which the wave-surface is the locus of the point that admits with respect to a given ellipsoid an enveloping cone , one of the principal sections of which is a right angle. This generalisation however does not conduct to the same « — 1-dimensional figure as before (p.... | |
 | Edinburgh Mathematical Society - Electronic journals - 1897 - 316 pages
...view, the wave-surface is the locus of the point P that admits with respect to a given ellipsoid L an enveloping cone, one of the principal sections of which is a right angle. If we put L = avYói2 + a;//622 + as32/632 -1=0, the enveloping cone with the vertex P (у2, y2, 2/3) is... | |
 | 1899 - 760 pages
...according to which the wave-surface is the locus of the point that admits with respect to a given ellipsoid an enveloping cone , one of the principal sections of which is a right angle. This generalisation however does not conduct to the same « — 1 -dimensional figure as before (p.... | |
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