Question

MATLAB生成随机数,画出直方图后加一条标准正态线,

Answer 1

clear

clc

r=1+1.0.*randn(1,100) ;

hist(r,-4:.1:4);

hold on

x=-4:0.1:4;

y=gaussmf(x,[1 0]);%gaussmf(x,[σ,μ])

x = x+1;

plot(x,y,'r')