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Oct 22nd, 2014
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Java 0.48 KB | None | 0 0
  1. class Ideone {
  2.     public static void main (String[] args) {
  3.         int N = 5;
  4.         float a = 1;
  5.         float b = 4;
  6.         float alpha = 11;
  7.         float betta = 100000;
  8.         float x_min = alpha;
  9.         float f_min = betta;
  10.         for(int i = 1; i <= N; i++) {
  11.             float xi = a + ((b-a)/(2*N))*(2*i-1);
  12.             if(func(xi) < f_min) {
  13.                 x_min = xi;
  14.                 f_min = func(xi);
  15.             }
  16.         }
  17.         System.out.println("x_min="+x_min+" f_min="+f_min);
  18.     }
  19.    
  20.     static float func(float x) {
  21.         return 7+x-(float)Math.pow(x,3);
  22.     }
  23. }
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