Java回炉重造(七)使用Apache Commons Math创建向量

Java回炉重造(七)使用Apache Commons Math创建向量

代码托管

https://code.csdn.net/u012995856/apache-commons-learn/tree/master

maven依赖

<dependency>
            <groupId>org.apache.commonsgroupId>
            <artifactId>commons-math3artifactId>
            <version>3.6.1version>
dependency>

代码截图

运行结果

代码

package cn.pangpython.acl.math3;

import org.apache.commons.math3.linear.ArrayRealVector;
import org.apache.commons.math3.linear.RealVector;

/**
 * @Project ApacheCommonsLearn
 * @Package cn.pangpython.acl.math3
 * @Author pangPython
 * @Time 下午4:46:09
 */
public class RealVectorTest {
    public static void main(String[] args) {
        //创建向量
        double[] value1 = {1,-1,2,0};
        double[] value2 = {1,1,-1,0};
        RealVector vector1 = new ArrayRealVector(value1);
        RealVector vector2 = new ArrayRealVector(value2);
        //输出
        System.out.println("vector1:    "+vector1.toString());
        //长度
        System.out.println("vector1 length: "+value1.length);
        System.out.println("vector2:    "+vector2.toString());
        //相加
        System.out.println("vector1+vector2:"+vector1.add(vector2));
    }
}