NumpyArrays.txt

import numpy as np

myarr = np.array([[1,2,3],[4,5,6]]) -> 2-dims array
->> accessing myarr[:,:] only, not myarr[:,:,:]

x=numpy.array([[[1,2,3],[4,5,6],[7,8,9]],[[1,2,3],[4,5,6],[7,8,9]],[[1,2,3],[4,5,6],[7,8,9]]]) -> 3-dims array

Generate zeros array
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x = numpy.zeros(<dim_n>,...,<dim_2>,<dim_1>)
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Generate ones array
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x = numpy.ones(<dim_n>,...,<dim_2>,<dim_1>)
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Accessing array
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Indexing: 0->(n-1)

1-dim:
x[<start>:<stop>:<step>]

n-dim:
x[<dim_n>,...,<dim1>]
=>> x[<start_dim_n>:<stop_dim_n>:<step_dim_n>,...,<start_dim_1>:<stop_dim_1>:<step_dim_1>]
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Operation on numpy array
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numpy.linalg.norm()

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