PYTHON

how to convert array of arrays into single array with unique values in numpy

set(array.flat)

how to convert array of arrays into single array with unique values in numpy

list(set(array.flat))

how to convert array of arrays into single array with unique values in numpy

>>> array = np.zeros((10,12,42,53))
>>> list(set(array.flat))
[0.0]

how to convert array of arrays into single array with unique values in numpy

>>> array = np.zeros((10,12),dtype=int)
>>> print array
[[0 0 0 0 0 0 0 0 0 0 0 0]
 [0 0 0 0 0 0 0 0 0 0 0 0]
 [0 0 0 0 0 0 0 0 0 0 0 0]
 [0 0 0 0 0 0 0 0 0 0 0 0]
 [0 0 0 0 0 0 0 0 0 0 0 0]
 [0 0 0 0 0 0 0 0 0 0 0 0]
 [0 0 0 0 0 0 0 0 0 0 0 0]
 [0 0 0 0 0 0 0 0 0 0 0 0]
 [0 0 0 0 0 0 0 0 0 0 0 0]
 [0 0 0 0 0 0 0 0 0 0 0 0]]
>>> np.unique(array)
array([0])
>>> array[0,5] = 1
>>> array[4,10] = 42
>>> np.unique(array)
array([ 0,  1, 42])