how would i plot upper half of an ellipse in matlab using standar form?

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Amir on 28 Feb 2015

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Answered: Mischa Kim on 28 Feb 2015

(x^2/a^2) + (y^2/b^2) = 1

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Mischa Kim on 28 Feb 2015

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With a bit of math, solve for y

 a = 2; b = 3;
 x = -a:0.1:a;
 y = sqrt(b^2 - b^2*(x.^2/a^2));
 plot(x,y)

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