matlab已知坐标画三维图
时间: 2023-07-13 13:37:27 浏览: 126
要在 MATLAB 中绘制三维图,您可以使用以下步骤:
1. 创建一个三维坐标系:
```MATLAB
figure
axes('XGrid','on','YGrid','on','ZGrid','on')
```
2. 绘制三维数据点:
```MATLAB
x = [1 2 3 4 5];
y = [6 7 8 9 10];
z = [11 12 13 14 15];
scatter3(x,y,z)
```
3. 如果需要,可以绘制三维线条或曲线:
```MATLAB
x = linspace(0,2*pi,50);
y = sin(x);
z = cos(x);
plot3(x,y,z)
```
4. 如果需要,可以在三维坐标系中添加标签和标题:
```MATLAB
xlabel('X Axis')
ylabel('Y Axis')
zlabel('Z Axis')
title('My 3D Plot')
```
下面是一个完整的范例代码,您可以根据自己的需求进行修改:
```MATLAB
% 创建三维坐标系
figure
axes('XGrid','on','YGrid','on','ZGrid','on')
% 绘制三维数据点
x = [1 2 3 4 5];
y = [6 7 8 9 10];
z = [11 12 13 14 15];
scatter3(x,y,z)
% 绘制三维线条
x = linspace(0,2*pi,50);
y = sin(x);
z = cos(x);
hold on
plot3(x,y,z)
% 添加标签和标题
xlabel('X Axis')
ylabel('Y Axis')
zlabel('Z Axis')
title('My 3D Plot')
```
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