e575.m

matlab算法集 matlab算法集

%------------------------------------------------------------------
% Example 5.7.5: Polynomial Roots             
%------------------------------------------------------------------
   clc
   clear
   n = 5;
   m = 20;
   tol = 1.e-6;
   a = [1 -1 -4 4 -5 -75]; 
   x = zeros(n,1);
   fprintf ('Example 5.7.5: Polynomial Roots\n');
   show ('coefficients',a')
   x = roots (a);
   show ('roots',x)
%------------------------------------------------------------------