com.discursive.jccook.math.ComplexNumbers.java Source code

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Here is the source code for com.discursive.jccook.math.ComplexNumbers.java

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/* 
 * ========================================================================
 * 
 * Copyright 2005 Tim O'Brien.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 * ========================================================================
 */
package com.discursive.jccook.math;

import java.text.NumberFormat;

import org.apache.commons.math.complex.Complex;
import org.apache.commons.math.complex.ComplexFormat;

public class ComplexNumbers {

    public static void main(String[] args) {
        Complex a = new Complex(2, 3);
        Complex b = new Complex(4, 5);
        Complex c = new Complex(0.3, 2);
        Complex e = new Complex(4, 4);

        Complex sum = a.add(b);
        Complex d = c.divide(sum);
        Complex f = e.multiply(d.conjugate());

        System.out.println("D is: " + ComplexFormat.formatComplex(d));
        System.out.println("F is: " + ComplexFormat.formatComplex(f));

        double realF = f.getReal();
        double imD = d.getImaginary();
        double answer = realF / imD;

        System.out.println("Answer: " + NumberFormat.getInstance().format(answer));

    }

}