Copyright | (c) Alberto Ruiz 2006 |
---|---|
License | GPL |
Maintainer | Alberto Ruiz |
Stability | provisional |
Safe Haskell | None |
Language | Haskell98 |
Documentation
polySolve :: [Double] -> [Complex Double] Source #
Solution of general polynomial equations, using gsl_poly_complex_solve.
For example, the three solutions of x^3 + 8 = 0
>>>
polySolve [8,0,0,1]
[(-2.0) :+ 0.0,1.0 :+ 1.7320508075688776,1.0 :+ (-1.7320508075688776)]
The example in the GSL manual: To find the roots of x^5 -1 = 0:
>>>
polySolve [-1, 0, 0, 0, 0, 1]
[(-0.8090169943749472) :+ 0.5877852522924731, (-0.8090169943749472) :+ (-0.5877852522924731), 0.30901699437494756 :+ 0.9510565162951535, 0.30901699437494756 :+ (-0.9510565162951535), 1.0000000000000002 :+ 0.0]