Removing characters from array python

Question

I have this array and would like to keep just the numbers.

[array([-0.69]), array([-0.82]), array([ 0.00268447]),
 array([ 1.25709725]), array([ 0.00460194]), array([-0.00191748])]

I have tried strip and replace commands but to no avail. I have also followed this : Removing Characters from python Output . Any more ideas?

That is a list of arrays (probably numpy arrays). There are no characters that you could strip. Do you want a list of numbers or an array of numbers? — syntonym, Jun 01 '16 at 10:16
To clarify: You seem to have a list of numpy.arrays with one element each. — fmarc, Jun 01 '16 at 10:16
Would this be a similar example? Turning `[[123], [2], [79]]` into `[123, 2, 79]`? — krato, Jun 01 '16 at 10:20

fmarc · Answer 1 · 2016-06-01T10:27:36.550

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You seem to have a list of numpy.arrays with a single element each. You can turn that into a numpy.array like this:

l = [array([-0.69]), array([-0.82]), array([ 0.00268447]),
    array([ 1.25709725]), array([ 0.00460194]), array([-0.00191748])]
arr = numpy.array(l)

To print this array, you could do this:

print(', '.join(map(str, arr)))

edited Jun 01 '16 at 10:27

answered Jun 01 '16 at 10:22

fmarc

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Rahul K P · Answer 2 · 2016-06-01T10:32:02.307

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Converting each element to float.

In [1]: from numpy import array
In [2]: a = [array([-0.69]), array([-0.82]), array([ 0.00268447]),
   ....:  array([ 1.25709725]), array([ 0.00460194]), array([-0.00191748])]

In [3]: map(float,a)
Out[1]: [-0.69, -0.82, 0.00268447, 1.25709725, 0.00460194, -0.00191748]

You can do like this.

edited Jun 01 '16 at 10:32

answered Jun 01 '16 at 10:26

Rahul K P

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Removing characters from array python

2 Answers2