np.meshgrid(x, y)逆函数
时间: 2023-09-04 21:09:55 浏览: 80
根据引用和引用,np.meshgrid(x, y)函数用于生成两个二维矩阵,这两个矩阵是由两个一维数组x和y生成的。那么np.meshgrid(x, y)的逆函数可以通过使用numpy库的函数np.vstack和np.hstack来实现。逆函数的作用是将两个二维矩阵合并为一个二维矩阵,并将其还原回原始的一维数组x和y。以下是一个示例代码:
import numpy as np
# 生成两个二维矩阵
x = np.array([1, 2, 3])
y = np.array([4, 5])
X, Y = np.meshgrid(x, y)
# 将两个二维矩阵合并为一个二维矩阵
Z = np.vstack((X.ravel(), Y.ravel())).T
# 还原回原始的一维数组x和y
x_new = Z[:, 0]
y_new = Z[:, 1]
通过上述代码,我们可以得到np.meshgrid(x, y)的逆函数,并将生成的二维矩阵还原回原始的一维数组x和y。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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