1、打开matlab，输入如下代码计算绘图的散点数据 >> x = 0:pi/20:2*pi;>> y1 = sin(x);>> y2 = 0.5*sin(x);2、画图并设置线条粗细 >> plot(x,y,'LineWidth',4) % 设置线条宽度为4 3、设置散点样式 >> plot(x,y*0.5,'bd:','LineWidth',4','MarkerEdgeColor','r','Mar...