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Solving an equation with two variables, why is one being set to zero?

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My code is as follows:
syms x y
[xRoot, yRoot] = solve((y-1).^2 + (x-1).^2 == floor(sqrt(2)-1).^2,y,x)
The output of this should (hopefully) be xRoot = 1, yRoot = 1 however in the actual output yRoot is being set to zero and xRoot is 1+-i.
How can I stop yRoot being set to zero and therefore not get complex roots for x?
Thanks.

Réponse acceptée

John D'Errico
John D'Errico le 28 Sep 2017
There are multiple solutions here. This will help in your case though.
syms x y real

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