g(x)=f(m,n,L), 其中,m,n,L均服从正态分布,分布情况也在所给的图中. 使用matlab,用蒙特卡罗模拟法 对该函数进行模拟,得出g(x)大于0的概率. -g (x) = f (m, n, L), which, m, n, L are subject to normal distribution, the distribution is also given in Fig. using matlab, using Monte Carlo simulation meth