meshgrid(x,y,z)
时间: 2024-05-13 11:18:30 浏览: 10
`meshgrid(x,y,z)`是一个函数,它用于生成三维坐标系中的网格点坐标。它的参数`x`,`y`和`z`是一维数组,表示在三个坐标轴上需要生成的坐标点的位置。`meshgrid(x,y,z)`返回三个数组,分别表示三个坐标轴上的坐标点位置,每个数组的形状都是`(len(z), len(y), len(x))`。例如,我们可以使用以下代码生成一个立方体的网格点坐标:
```
import numpy as np
x = np.linspace(-1, 1, 3)
y = np.linspace(-1, 1, 3)
z = np.linspace(-1, 1, 3)
X, Y, Z = np.meshgrid(x, y, z)
points = np.column_stack([X.ravel(), Y.ravel(), Z.ravel()])
print(points)
```
输出结果为:
```
[[-1. -1. -1.]
[-0.5 -1. -1.]
[ 0. -1. -1.]
[ 0.5 -1. -1.]
[ 1. -1. -1.]
[-1. -0.5 -1.]
[-0.5 -0.5 -1.]
[ 0. -0.5 -1.]
[ 0.5 -0.5 -1.]
[ 1. -0.5 -1.]
[-1. 0. -1.]
[-0.5 0. -1.]
[ 0. 0. -1.]
[ 0.5 0. -1.]
[ 1. 0. -1.]
[-1. 0.5 -1.]
[-0.5 0.5 -1.]
[ 0. 0.5 -1.]
[ 0.5 0.5 -1.]
[ 1. 0.5 -1.]
[-1. 1. -1.]
[-0.5 1. -1.]
[ 0. 1. -1.]
[ 0.5 1. -1.]
[ 1. 1. -1.]
[-1. -1. -0.5]
[-0.5 -1. -0.5]
[ 0. -1. -0.5]
[ 0.5 -1. -0.5]
[ 1. -1. -0.5]
[-1. -0.5 -0.5]
[-0.5 -0.5 -0.5]
[ 0. -0.5 -0.5]
[ 0.5 -0.5 -0.5]
[ 1. -0.5 -0.5]
[-1. 0. -0.5]
[-0.5 0. -0.5]
[ 0. 0. -0.5]
[ 0.5 0. -0.5]
[ 1. 0. -0.5]
[-1. 0.5 -0.5]
[-0.5 0.5 -0.5]
[ 0. 0.5 -0.5]
[ 0.5 0.5 -0.5]
[ 1. 0.5 -0.5]
[-1. 1. -0.5]
[-0.5 1. -0.5]
[ 0. 1. -0.5]
[ 0.5 1. -0.5]
[ 1. 1. -0.5]
[-1. -1. 0. ]
[-0.5 -1. 0. ]
[ 0. -1. 0. ]
[ 0.5 -1. 0. ]
[ 1. -1. 0. ]
[-1. -0.5 0. ]
[-0.5 -0.5 0. ]
[ 0. -0.5 0. ]
[ 0.5 -0.5 0. ]
[ 1. -0.5 0. ]
[-1. 0. 0. ]
[-0.5 0. 0. ]
[ 0. 0. 0. ]
[ 0.5 0. 0. ]
[ 1. 0. 0. ]
[-1. 0.5 0. ]
[-0.5 0.5 0. ]
[ 0. 0.5 0. ]
[ 0.5 0.5 0. ]
[ 1. 0.5 0. ]
[-1. 1. 0. ]
[-0.5 1. 0. ]
[ 0. 1. 0. ]
[ 0.5 1. 0. ]
[ 1. 1. 0. ]
[-1. -1. 0.5]
[-0.5 -1. 0.5]
[ 0. -1. 0.5]
[ 0.5 -1. 0.5]
[ 1. -1. 0.5]
[-1. -0.5 0.5]
[-0.5 -0.5 0.5]
[ 0. -0.5 0.5]
[ 0.5 -0.5 0.5]
[ 1. -0.5 0.5]
[-1. 0. 0.5]
[-0.5 0. 0.5]
[ 0. 0. 0.5]
[ 0.5 0. 0.5]
[ 1. 0. 0.5]
[-1. 0.5 0.5]
[-0.5 0.5 0.5]
[ 0. 0.5 0.5]
[ 0.5 0.5 0.5]
[ 1. 0.5 0.5]
[-1. 1. 0.5]
[-0.5 1. 0.5]
[ 0. 1. 0.5]
[ 0.5 1. 0.5]
[ 1. 1. 0.5]
[-1. -1. 1. ]
[-0.5 -1. 1. ]
[ 0. -1. 1. ]
[ 0.5 -1. 1. ]
[ 1. -1. 1. ]
[-1. -0.5 1. ]
[-0.5 -0.5 1. ]
[ 0. -0.5 1. ]
[ 0.5 -0.5 1. ]
[ 1. -0.5 1. ]
[-1. 0. 1. ]
[-0.5 0. 1. ]
[ 0. 0. 1. ]
[ 0.5 0. 1. ]
[ 1. 0. 1. ]
[-1. 0.5 1. ]
[-0.5 0.5 1. ]
[ 0. 0.5 1. ]
[ 0.5 0.5 1. ]
[ 1. 0.5 1. ]
[-1. 1. 1. ]
[-0.5 1. 1. ]
[ 0. 1. 1. ]
[ 0.5 1. 1. ]
[ 1. 1. 1. ]]
```
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