from scipy import linalg import numpy as np #numpyを使う narray = np.array([[1, 2], [3, 4]]) #numpyのarrayで行列を表現 inv_narray = linalg.inv(narray) print('narrayの逆行列：\n{}\n'.format(inv_narray)) result_det = linalg.det(inv_narray) print('inv_narrayの行列式:{}\n'.format(result_det)) inv_narray_norm = linalg.norm(inv_narray) print('inv_narrayのノルム:{}'.format(inv_narray_norm))
