Matlab legend换行 多个legend 阵列排布

目标：把4个图例弄成2X2的出现在图中

x = linspace(0,pi);
y1 = cos(x);
plot(x,y1)

hold on
y2 = cos(2*x);
plot(x,y2)

y3 = cos(3*x);
plot(x,y3)

y4 = cos(4*x);
plot(x,y4)
hold off

legend({'cos(x)','cos(2x)','cos(3x)','cos(4x)'},'Location','northwest','NumColumns',2)

标签：plot,cos,Matlab,排布,y1,y3,y2,legend
来源： https://blog.csdn.net/weixin_41957433/article/details/120463804