Formatting arrays using myarrayy.tolist()
Colin J. Williams
fn681 at ncf.ca
Wed Feb 6 13:51:54 EST 2008
Max Abrahams wrote:
> I've got an array that looks like this:
>
>
>> >> p.xv[20:25]
>
> array([[ 1.60783821e-01, 1.04174046e+01, -1.74045566e-03,
> 6.02421398e-01, 2.16078382e+00, -1.60783821e-02],
> [ 1.66704816e-01, 1.04390422e+01, -1.90421758e-03,
> 5.81767402e-01, 2.16670482e+00, -1.66704816e-02],
> [ 1.72418976e-01, 1.04607380e+01, -2.07379715e-03,
> 5.61054649e-01, 2.17241898e+00, -1.72418976e-02],
> [ 1.77925722e-01, 1.04824899e+01, -2.24898715e-03,
> 5.40285230e-01, 2.17792572e+00, -1.77925722e-02],
> [ 1.83224500e-01, 1.05042958e+01, -2.42957975e-03,
> 5.19461244e-01, 2.18322450e+00, -1.83224500e-02]])
>
> I want to dump it to a plain text file. The problem is, it unravels the
> array. The text file will look like this
>
> p.xv.tofile('file','\n')
>
>
> 10.3528613872
> -0.00128613872188
> 0.664009998909
> 2.14178590964
> -0.0141785909637
> 0.148323738585
> 10.3743121062
> -0.0014312106189
>
> and so on.
> i want it to look like this:
>
> 1 2 3 4 5 6
> 7 8 9 10 11 12
> 13 14 15 16 17 18
> 19 20 21 22 23 24
>
>
> any help would be appreciated.
> thanks.
array is for single dimension arrays.
You might look at numpy which deals with
multidimensional arrays.
Colin W.
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