创建矩阵

matrix = np.array([[1, 2, 3], [4, 5, 6]])

empty_matrix = np.empty((3, 3))

# 创建一个3x3的0矩阵
zero_matrix = np.zeros((3, 3))

# 创建一个3x3的1矩阵
zero_matrix = np.ones((3, 3))

创建单位矩阵

identity_matrix = np.eye(3)

创建随机矩阵

random_matrix = np.random.random((2, 3))

操作矩阵

向矩阵添加Series

matrix = np.array([[1, 2, 3], [4, 5, 6], [7, 8, 9]])
series = np.array([10, 20, 30])
result = matrix + series