drawcosfunction.java

用Netbean编写的图形用户界面设计实验 包括绘制正弦曲线和市属四则运算器

package problem_1;

/**
 *
 * @author xiao lei
 */
public class DrawCosFunction extends AbstractDrawFunction {

    @Override
    public double func(double x) {
        return Math.cos(4 * x * Math.PI / (xLen - 20)) * (yLen / 2 - 10);
    }
}