Analytic geometry, for technical schools and colleges (1897)
Lambert, Preston Albert, 1862-1925 · New York, Macmillan · leaf 211
perbola — — ^-=^1. The figure a^ h- generated by the ellipse which moves with its center on the X-axis, the plane of the el-^ lipse perpendicular to the X-axis, the axes of the el-lipse in any position the in-tersections of the plane ofthe ellipse with the fixedhyperbolas, is called thehyperboloid… … of the generating ellipse in any position, that is, the equation of the hyperboloid of two sheets, is — ■ Art. 100. — The Paraboloids In the XF-plane there is the fixed parabola -if — 2 hx, in theZX-plane the fixed parabola z^=2 ex. The figure generatedby an ellipse which moves with itscenter on…
Geometry, Analytic
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