An algorithm for finding roots for quartic equations with complex roots.
Lin's Method
Explore with Wolfram|Alpha
References
Acton, F. S. Numerical Methods That Work, 2nd printing. Washington, DC: Math. Assoc. Amer., pp. 198-199, 1990.Referenced on Wolfram|Alpha
Lin's MethodCite this as:
Weisstein, Eric W. "Lin's Method." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/LinsMethod.html