On 10/14/11 5:04 AM, Neal Becker wrote:
suppose I have:
In [10]: u
Out[10]:
array([[0, 1, 2, 3, 4],
[5, 6, 7, 8, 9]])
And I have a vector v:
v = np.array ((0,1,0,1,0))
I want to form an output vector which selects items from u where v is the
index
of the row of u to be
suppose I have:
In [10]: u
Out[10]:
array([[0, 1, 2, 3, 4],
[5, 6, 7, 8, 9]])
And I have a vector v:
v = np.array ((0,1,0,1,0))
I want to form an output vector which selects items from u where v is the index
of the row of u to be selected.
In the above example, I want:
w =
On Fri, Oct 14, 2011 at 7:04 AM, Neal Becker ndbeck...@gmail.com wrote:
suppose I have:
In [10]: u
Out[10]:
array([[0, 1, 2, 3, 4],
[5, 6, 7, 8, 9]])
And I have a vector v:
v = np.array ((0,1,0,1,0))
I want to form an output vector which selects items from u where v is the
What about
a=arange(len(v))
w=u[v,a]
?
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Le vendredi 14 octobre 2011 à 08:04 -0400, Neal Becker a écrit :
suppose I have:
In [10]: u
Out[10]:
array([[0, 1, 2, 3, 4],
[5, 6, 7, 8, 9]])
And I have a vector v:
v = np.array ((0,1,0,1,0))
I want to form an output vector which selects items from u where v is the
index
Fabrice Silva wrote:
Le vendredi 14 octobre 2011 à 08:04 -0400, Neal Becker a écrit :
suppose I have:
In [10]: u
Out[10]:
array([[0, 1, 2, 3, 4],
[5, 6, 7, 8, 9]])
And I have a vector v:
v = np.array ((0,1,0,1,0))
I want to form an output vector which selects items from u