The Secant Method for Simultaneous Nonlinear Equations A procedure for the simultaneous solution of a system of not-necessarily-linear equations, a generalization of the secant method for a single function of one variable, is given. CACM December, 1959 Wolfe, P. CA591203 JB March 22, 1978 3:39 PM 39 4 39 16 5 39 39 5 39 39 5 39 39 5 39