这是实验程序；是求三角形，圆，矩形等多边形周长和面积的JAVA程序-This is the experimental procedure is seeking a triangle, round, rectangular and other polygonal perimeter and area of the JAVA program

这是一个计算任意多边形的面积和周长的matlab小程序，简单高效！(Calculate the area and circumference of any polygon!)