John Boozer

@John Boozer Member since Mar 2012

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How do you find a normal to a point on an ellipse? Forum Reply

14 years, 7 months ago

The ellipse equation is ((x - h)/a)^2 + ((y-k)/b)^2 = 1 where (h,k) is the center of the ellipse. So dy/dx = -((x-h)*b^2)/((y-k)*a^2) Your equation thinks that the ellipse is ce… Forum Reply

The ellipse equation is ((x - h)/a)^2 + ((y-k)/b)^2 = 1 where (h,k) is the center of the ellipse. So dy/dx = -((x-h)*b^2)/((y-k)*a^2) Your equation thinks that the ellipse is ce…

14 years, 7 months ago

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The ellipse equation is ((x - h)/a)^2 + ((y-k)/b)^2 = 1 where (h,k) is the center of the ellipse. So …

14 years, 7 months ago

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