matlab有趣的图形代码

以下是一些有趣的 MATLAB 图形代码：

绘制螺旋线

theta = linspace(0,10*pi,1000);
x = theta.*cos(theta);
y = theta.*sin(theta);
plot(x,y)

绘制心形曲线

t = linspace(0,2*pi);
x = 16*sin(t).^3;
y = 13*cos(t)-5*cos(2*t)-2*cos(3*t)-cos(4*t);
plot(x,y)

绘制曼德布罗集合

[x,y] = meshgrid(linspace(-2,2,1000));
c = x + 1i*y;
z = zeros(size(c));
for k = 1:100
    z = z.^2 + c;
end
imagesc(abs(z)<2)
colormap(hot)
axis equal off

绘制三维球体

[x,y,z] = sphere(50);
surf(x,y,z)
axis equal off
colormap(jet)

绘制彩虹色的正弦曲线

x = linspace(0,10*pi,1000);
y = sin(x);
c = linspace(1,10,length(x));
scatter(x,y,[],c,'filled')
colormap(hsv)

绘制带有噪声的图像

[x,y] = meshgrid(linspace(-2,2,100));
z = sin(x).*cos(y) + randn(size(x))*0.1;
surf(x,y,z)
colormap(jet)

绘制带有阴影的立方体

[x,y,z] = meshgrid([-1 1]);
patch([-1 -1 1 1],[-1 1 1 -1],[-1 -1 -1 -1],'r')
patch([-1 -1 1 1],[-1 -1 -1 -1],[-1 1 1 -1],'g')
patch([-1 -1 1 1],[-1 1 1 -1],[1 1 1 1],'b')
patch([-1 -1 -1 -1],[-1 1 1 -1],[-1 -1 1 1],'y')
patch([1 1 1 1],[-1 1 1 -1],[-1 -1 1 1],'m')
patch([-1 -1 1 1],[1 1 1 1],[-1 1 1 -1],'c')
light('Position',[0 0 5],'Style','local')
light('Position',[0 5 0],'Style','local')
light('Position',[5 0 0],'Style','local')
axis equal off

绘制带有动态效果的图像

x = linspace(-2*pi,2*pi,1000);
y = sin(x);
for k = 1:100
    plot(x,y.*k/100,'r','LineWidth',2)
    hold on
    plot(x,-y.*k/100,'b','LineWidth',2)
    hold off
    axis([-2*pi 2*pi -1.2 1.2])
    drawnow
end

绘制带有透明度的图像

[x,y] = meshgrid(linspace(-2,2,100));
z = sin(x).*cos(y);
surf(x,y,z,'FaceAlpha',0.5)
colormap(jet)

绘制带有箭头的图像

[x,y] = meshgrid(linspace(-2,2,10));
u = -y;
v = x;
quiver(x,y,u,v)
axis equal off

绘制带有文本标签的图像

x = linspace(0,10*pi,1000);
y = sin(x);
plot(x,y)
text(2*pi,0.8,'Local Maxima')
text(5*pi,-0.8,'Local Minima')

绘制带有自定义颜色映射的图像

[x,y] = meshgrid(linspace(-2,2,100));
z = sin(x).*cos(y);
surf(x,y,z)
colormap([0 0 1; 0 1 1; 1 1 0; 1 0 0])

绘制带有动态颜色映射的图像

[x,y] = meshgrid(linspace(-2,2,100));
z = sin(x).*cos(y);
surf(x,y,z)
for k = 1:100
    colormap([0 0 k/100; 0 k/100 k/100; k/100 k/100 0; k/100 0 0])
    drawnow
end

绘制带有自定义线型和标记的图像

x = linspace(0,10*pi,1000);
y = sin(x);
plot(x,y,'--o','LineWidth',2,'MarkerSize',5,'MarkerFaceColor','r')

绘制带有自定义坐标轴标签和标题的图像

x = linspace(0,10*pi,1000);
y = sin(x);
plot(x,y)
xlabel('Time (s)')
ylabel('Amplitude')
title('Sine Wave')