Robert Osserman
Contributor
LOCATION: Berkeley, CA, United States
Special Projects Director, Mathematical Sciences Research Institute, Berkeley, California. Author of Two-dimensional Calculus; Poetry of the Universe: A Mathematical Exploration of the Cosmos.
Primary Contributions (7)
Ellipsoid, closed surface of which all plane cross sections are either ellipses or circles. An ellipsoid is symmetrical about three mutually perpendicular axes that intersect at the centre. If a, b, and c are the principal semiaxes, the general equation of such an ellipsoid is x2/a2 + y2/b2 + z2/c2…
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