F. Solution of nonlinear equations

Functions
def	rpzero2 (n, a, rr, ri, s, iflag=0, maxiter=100)
	Roots of a polynomial (real coefficients) (Netwon method) (complex type is not used)
def	dfzero (f, b, c, r, re=1.0e-10, ae=1.0e-10)
	Solution of a single general nonlinear equation
def	hybrd1 (f, n, x, fvec, xtol=1.0e-10)
	Solution of a system of nonlinear equations by Powell hybrid method (Jacobian not required) (simple driver)

Detailed Description

This is the group of F. Solution of nonlinear equations.