Running Python

Notes for beginners using OS X

• Installation: https://docs.brew.sh/Homebrew-and-Python.html
• Installation of packages: pip2 install scipy
• Demo script: rename alyawarra.mat to alyawarradata.mat

Linux / Debian / Ubuntu

• Already included in Ubuntu (https://wiki.ubuntuusers.de/Python/)
• Installation of Python 3 packages: sudo apt-get install python3-scipy
• Installation of Python 2 packages: sudo apt-get install python-scipy

Matrix information

import numpy as np
print(len(X)) # 26
np.savetxt('23.txt', X[23].toarray())

np.savetxt("A-init.txt", A, delimiter=",")

Matrix A in _updateR:

    print(len(A))
    print(type(A))
    print(A.ndim)
    print(A.shape)
    print(A.size)
    print(A.dtype)

104
<class 'numpy.ndarray'>
2
(104, 100)
10400
float64