中文说明： 计算时间和二维直方图,能量熵的计算，cordic算法的matlab仿真，微分方程组数值解方法，包括面积、周长、矩形度、伸长度，基于matlab平台实现。
English Description：
Calculate time and two dimensional histogram, energy calculation of entropy, cordic algorithm MATLAB simulation, numerical solution of differential equations, including area, perimeter, rectangular, elongation, based on the MATLAB platform.