The trilinear coordinates of a point are the perpendicular distances from the origin to the three lines, drawn through the point, parallel to the sides of the triangle. A coordinate is negative if the associated line lies between the origin and the related... Classical Electrodynamics by Julian Schwinger, Lester L. Deraad, Kimball Milton, Wu-yang Tsai, Joyce Norton - 1998 - 592 pages No preview available -
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