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Question: How to draw an ellipse based on the equation in matrix form?

Question:How to draw an ellipse based on the equation in matrix form?

Katatonia 65 Maple
geometry plotting
October 15 2022
0

Suppose H is a 2*2 matrix and (x0,y0) is the center of an ellipse. We want to draw the ellipse in form of (x-x0,y-y0)H(x-x0,y-y0)^T. 

Equivalently, suppose we use variable P to show both x and y in the vector form. How is it possible to draw P^T H P? I would be thankful if you could give me and example.
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