matlab画直方图的histogram()函数
matlab画直方图有histogram()函数，hist()以及bar()函数，以下是histogram()函数效果
clc,clear;
x1=2pirand(1,2000);
x2=normrnd(0,4,[1 2000]);
x3=raylrnd(2,1,2000);
subplot(3,1,1);
histogram(x1);
subplot(3,1,2);
histogram(x2);
subplot(3,1,3);
histogram(x3);