all i want to do is finding all the solution in a area.(adsbygoogle = window.adsbygoogle || []).push({});

i know the Newton's method, but the problem is how can i divide the area into much smaller areas that i can judge it whether include a solution and can only have one solution.

and how can judge it?

any talk will be appreciated. it's really messing me up.

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# Solve complex equation numerically

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