AForge.Math.Complex.Subtract C# (CSharp) Method

        public static Complex Subtract(Complex a, Complex b)
        {
            return new Complex(a.Re - b.Re, a.Im - b.Im);
        }

 /// <summary>
 /// Subtracts a scalar value from a complex number.
 /// </summary>
 ///
 /// <param name="a">A <see cref="Complex"/> instance.</param>
 /// <param name="s">A scalar value.</param>
 ///
 /// <returns>Returns new <see cref="Complex"/> instance containing the difference.</returns>
 ///
 public static Complex operator -(Complex a, double s)
 {
     return(Complex.Subtract(a, s));
 }