用蒙特卡罗算法计算定积分，其中用了随机数函数。-Monte Carlo algorithm to calculate the definite integral, which used the random number function.

数值积分求解，用来计算一维积分的蒙特卡洛法。-Numerical integration to calculate the one-dimensional integral Monte Carlo method

空间目标识别，采用PM算法，包含位置式PID算法、积分分离式PID，用蒙特卡洛模拟的方法计算美式期权的价格以及基本描述。- Space target recognition algorithm using PM, It contains positional PID algorithm, integral separate PID, Monte Carlo simulation method of calculating the American option price and basic d

用蒙特卡洛方法在matlab里面计算简单的三重积分。(Monte Carlo method used in the calculation of three simple matlab integral.)