% %两行
L =兰德(2,2);
:P1 = L (1);
P2 = L (2:);
%得到斜率和y轴截距
P = polyfit (L (: 1), L (:, 2), 1);
m =(1页);
c =(2页);
%得到随机分
a = min (L (: 1));b = max (L (: 1));
N = 20;
x = (b) *兰德(N - 1) +一个;
m * y = x + c;
图
持有在
情节(L (: 1), L (:, 2),“r”)
持有在
情节(x, y,‘* k”)
