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Thread: conic equation

  1. Mar 25th, 2004, 04:49 AM #1
    wildmatrixII
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    conic equation

    Hi all,

    Does any one knows how can I plot the general conic equation ( Ax^2 + By^2 + Cxy + Dx + Ey + F ).

    this equation may represent an ellipse, hyperbola, parabola depending on A,B,C,D,E,F values, here is the rule:

    B^2 - 4AC < 0 => ellipse.
    B^2 - 4AC = 0 => parabola.
    B^2 - 4AC > 0 => hyperbola.

    Thanks alot.
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  2. Mar 25th, 2004, 08:22 AM #2
    bugzpodder
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    by hand or computer?? by computer you can goto www.quickmath.com
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    Did you know that...
    The probability that a random rational number has an even denominator is 1/3 (Salamin and Gosper 1972)? This result is independently verified by me (2002)!
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  3. Aug 7th, 2004, 01:14 PM #3
    riis
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    I'm not sure if you need this, but check this page: http://graphics.lcs.mit.edu/~mcmilla...re7/conic.html
    It explains how to draw conic curves with a Bresenham-like approach.
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