First page Back Continue Last page Overview Graphics

Slicing

>>> a = np.array([

[11,12,13,14,15],

[21,22,23,24,25],

[31,32,33,34,35],

[41,42,43,44,45],

[51,52,53,54,55]])

>>> a[:3,2:]

array([[13, 14, 15],

[23, 24, 25],

[33, 34, 35]])

>>> a[3:,:]

array([[41, 42, 43, 44, 45],

[51, 52, 53, 54, 55]])

>>> a[:,4:]

array([[15],

[25],

[35],

[45],

[55]])