数组操作

import numpy as np

arr = np.array([[1, 2, 3], [4, 5, 6]])
print(arr.shape)  # (2, 3)
print(arr.T)      # 转置

广播

a = np.array([[1, 2, 3]])
b = np.array([[1], [2]])
result = a + b  # 广播运算

线性代数

from numpy.linalg import inv, det

A = np.array([[1, 2], [3, 4]])
inverse = inv(A)
determinant = det(A)

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