matlab怎么作散点矩阵图?
最好是这样的
matlab散点图可以用scatter函数,举例如下:
x = linspace(0,3*pi,200);
y = cos(x) + rand(1,200);
scatter(x,y)
运行结果:
subplot(2,2,1)
x = linspace(0,10);
y1 = sin(x);
plot(x,y1)
title('Subplot 1: sin(x)')
subplot(2,2,2)
y2 = sin(2*x);
plot(x,y2)
title('Subplot 2: sin(2x)')
subplot(2,2,3)
y3 = sin(4*x);
plot(x,y3)
title('Subplot 3: sin(4x)')
subplot(2,2,4)
y4 = sin(8*x);
plot(x,y4)
title('Subplot 4: sin(8x)')
运行结果: