text_plain_output_1.png
import numpy as np

vector_row = np.array([1, 2, 3])

vector_col = np.array([[1], [2], [3]])

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

matrix_object = np.mat([[1, 2], [3, 4]])

type(matrix_object)