On Thu, 2008-12-18 at 11:52 -0800, eric wrote: > On Dec 18, 8:37 pm, collin.da...@gmail.com wrote: > > I am trying to write a simple application to factor polynomials. I > > wrote (simple) raw_input lines to collect the a, b, and c values from > > the user, but I dont know how to implement the quadratic equation > > > > x = (-b +or- (b^2 - 4ac)^1/2) / 2a > > > > into python. Any ideas? > > with numpy: > from numpy import * > > s=[1,-1] > x = -b+s*sqrt( b**2-4*a*c )/(2*a) > > Eric
Without the Nump. def polynomial(a, b, c): N = ((b**2 - 4*a*c)**.5) / 2*a return (-b + N, -b - N) -- http://mail.python.org/mailman/listinfo/python-list