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  1. import java.util.Scanner;
  2.  
  3. public class Main {
  4.     public static void main(String[] args) {
  5.         double K = 3.0;
  6.         double L = 12.48;
  7.         double[] xs = {2.005, -0.437, -2.47};
  8.  
  9.         for (double x : xs) {
  10.             if (x == 0) continue;
  11.  
  12.             double a = Math.tan(Math.pow(Math.sqrt(K), Math.pow(K, 1.0/3.0))) - 1.0/(2.0*x);
  13.  
  14.             double denomB = Math.pow(0.842, 4) * Math.sqrt(8 * K) * Math.cos(4 * x);
  15.             if (denomB == 0) continue;
  16.  
  17.             double b = (Math.sin(2 * x) * L * Math.pow(5.75, 1.0/3.0)) / denomB;
  18.             double ab = a * b;
  19.  
  20.             if (ab < 0) {
  21.                 double denomY = 2 * a + 5 * b;
  22.                 if (denomY != 0) {
  23.                     double y = (a - 2 * b) / denomY;
  24.                     System.out.printf("x: %.4f | a: %.4f | b: %.4f | y: %.4f%n", x, a, b, y);
  25.                 }
  26.             } else {
  27.                 double y = Math.sqrt(ab);
  28.                 System.out.printf("x: %.4f | a: %.4f | b: %.4f | y: %.4f%n", x, a, b, y);
  29.             }
  30.         }
  31.     }
  32. }
Success #stdin #stdout 0.11s 56132KB
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Standard input is empty
stdout
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x: 2.0050 | a: -1.5994 | b: 41.9392 | y: -0.4139
x: -0.4370 | a: -0.2059 | b: 39.5026 | y: -0.4019
x: -2.4700 | a: -1.1476 | b: -9.8487 | y: 3.3619
https://ideone.com/0Iq4cc
language:
Java (12.0.1)
created:
8 hours ago
visibility:
public

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