/**
 * Author: Josiah Yoder et al.
 * User: yoder
 * Class: SE1011-011
 * Date: 10/17/13 8:29 AM
 * Lesson: Week 6, Day 1
 */
public class Complex051_7_1 {
    // The complex number is
    // real + imaginary * i
    // where i is sqrt(-1)
    private double real;
    private double imaginary;

    public Complex051_7_1(double real, double imaginary) {
        this.real = real;
        this.imaginary = imaginary;
    }


    //
    // Treat complex number as a vector
    // and return the magnitude.
    //
    // That is, we want to find the length
    // of the vector from the origin
    // to the complex number
    // when plotted on a graph.
    public double magnitude() {
        // sqrt(x^2 + y^2)
        // sqrt(real^2 + imaginary^2)
        return Math.sqrt(real*real+imaginary*imaginary);
    }
}