用matlab怎么做啊
x = linspace(0,8,100);
fx = 0.5*x.*(x<=2) + (1.5-0.25*x).*(x>2&x<6) + 0.5.*(x>=6);
plot(x,fx)结果
参考下：https://blog.csdn.net/zhao416129/article/details/82988427
x = linspace(0,8,100);
fx = 0.5*x.*(x<=2) + (1.5-0.25*x).*(x>2&x<6) + 0.5.*(x>=6);
plot(x,fx)结果
参考下：https://blog.csdn.net/zhao416129/article/details/82988427