The Real and Imaginary Zero Sets of a Complex Polynomial
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The four locators are the simple roots of a polynomial of degree four in the complex plane. The solid blue curves plot where the real part of
is zero and the dashed blue curves plot where its imaginary part is zero. These lines intersect at the chosen roots.
Contributed by: Ed Pegg Jr (May 8)
Open content licensed under CC BY-NC-SA
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