Method sinh

src/org/opensourcephysics/numerics/Complex.java:652–668

()

  //------------------------------------------------------------------------
  // Hyperbolic trigonometric functions
  public Complex sinh() {
    double scalar;
    double temp1Re, temp1Im;
    double temp2Re, temp2Im;
    //  sinh(z)  =  ( exp(z) - exp(-z) ) / 2
    // first exp
    scalar = Math.exp(re);
    temp1Re = scalar*Math.cos(im);
    temp1Im = scalar*Math.sin(im);
    // second exp
    scalar = Math.exp(-re);
    temp2Re = scalar*Math.cos(-im);
    temp2Im = scalar*Math.sin(-im);
    temp1Re -= temp2Re;
    temp1Im -= temp2Im;
    return new Complex(0.5*temp1Re, 0.5*temp1Im);
  }

  public Complex cosh() {
    double scalar;