Results 211 to 220 of about 27,605 (261)
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Conic that best fits an off-axis conic section

Annual Meeting Optical Society of America, 1986
To help in the fabrication of off-axis conic sections, we present a method of approximating this off-axis section by an on-axis conic centered on the portion desired. This method is based on the continuum least-squares method to obtain the vertex’s curvature and conic constant of the fitted conic on-axis, given the curvature at the vertex and the conic
O, Cardona-Nunez   +4 more
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Conic sections revisited

Annual Meeting Optical Society of America, 1989
In most treatments of the reflecting properties of the conic sections, the properties are stated without proof. In this paper the conic sections are derived from first principles as surfaces which produce specific effects on light rays. For example, the ellipse is taken to be a surface which reflects all rays emanating from one fixed point in a plane ...
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Kant on conic sections

Canadian Journal of Philosophy, 2014
This paper tries to make sense of Kant’s scattered remarks about conic sections to see what light they shed on his philosophy of mathematics. It proceeds by confronting his remarks with the source that seems to have informed his thinking about conic sections: the Conica of Apollonius. The paper raises questions about Kant’s attitude towards mathematics
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Conic sections

2014
Aad Goddijn   +2 more
openaire   +1 more source

Conic Sections

2017
Craig Olson, Julie Bentley
openaire   +2 more sources

Conic Sections

1994
openaire   +1 more source

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