Answers for "convert list to matrices with numpy"

convert list of lists to numpy array matrix python

x=[[1,2],[1,2,3],[1]]
y=numpy.array([numpy.array(xi) for xi in x])
type(y)
# <type 'numpy.ndarray'>
type(y[0])
# <type 'numpy.ndarray'>

Posted by: Guest on September-28-2020

python numpy matrix to list

import numpy as np
x = np.matrix([[1,2,3],
               [7,1,3],
               [9,4,3]])
y = x.tolist()

y --> [[1, 2, 3], [7, 1, 3], [9, 4, 3]]

Posted by: Guest on June-28-2021

Code answers related to "convert list to matrices with numpy"