[Numpy-discussion] concatenate an array with a number

Pierre GM pgmdevlist@gmail....
Mon Aug 4 11:11:09 CDT 2008


On Monday 04 August 2008 10:58:00 Nicolas Chopin wrote:
> Hi list,
> I want to do this:
>
> y = concatenate(x[0],x)
>
> where x is a 1d array.
> However, the only way I managed to make this work is:
>
> y = concatenate( array((x[0],),ndmin=1), x)
>
> which is kind of cryptic. (If I remove ndmin, numpy still complains.)
>
> 1. Is there a better way?

y = np.concatenate([x[0]], x)



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