numpy.meshgrid()
X,Y = numpy.meshgrid(x, y)
輸入: x,網格點的橫座標點組成的向量;y,網格點的縱座標點組成的向量。
輸出: X,Y爲橫縱座標矩陣。
import numpy as np
import matplotlib.pyplot as plt
x = np.array([1, 2, 3])
y = np.array([0, 1])
X, Y = np.meshgrid(x, y)
print("X coodinate:", X)
print("Y coodinate:", Y)
[[1 2 3]
[1 2 3]]
[[0 0 0]
[1 1 1]]
即
(1,0),(2,0),(3,0)
(1,1),(2,1),(3,1)