matlab中三维图如何平滑
时间: 2023-09-24 19:12:32 浏览: 332
绘制三维图形-matlab的使用
在Matlab中,可以使用griddata函数来实现三维图的平滑。首先,根据给定的散点坐标,使用linspace函数生成一组均匀分布的坐标点。然后,使用griddata函数对这些坐标点进行插值,得到平滑的曲面。最后,使用mesh函数绘制平滑曲面图。
以下是一个示例代码:
```matlab
x = \[0 2 4 0 2 4 -8 -10 -12 -14 -8 -10 -12 -14 -12 -10 -8 -6 -4 -2 0 2\];
y = \[56 56 56 58 58 58 56 56 56 56 58 58 58 58 60 60 60 60 60 60 60 60\];
z = \[0.0424 0.0331 0.0358 0.0306 0.0317 0.0339 0.0234 0.0219 0.0209 0.0199 0.0240 0.0236 0.0226 0.0215 0.0245 0.0215 0.0252 0.0250 0.0262 0.0285 0.0302 0.0315\];
xlin = linspace(min(x), max(x), 22);
ylin = linspace(min(y), max(y), 22);
\[X, Y\] = meshgrid(xlin, ylin);
Z = griddata(x, y, z, X, Y, 'v4');
mesh(X, Y, Z);
```
这段代码会根据给定的散点坐标(x, y, z)生成平滑的三维曲面图。\[1\]
希望对你有帮助!
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