Re: generate polynomial features given a vector X and degree

[Jordi Gutiérrez Hermoso]

On 19 December 2011 07:09, aliko <address@hidden> wrote:
> Is there a function to generate polynomial features given a vector X and
> degree.
> For example I have 3-element vector X and for given degree=3 I want to get a
> vector like
>
> [X(1), X(2), x(3), X(1)^2, X(2)^2, X(3)^2, X(1)*X(2), X(1)*X(3), X(2)*X(3),
> X(1)^3, X(2)^3, X(3)^3, X(1)^2*X(2), X(1)^2*X(3), ... , X(1)*X(2)*X(3)]
>
> For any given vector X of any length and for any given degree?

Here are my solutions for it:

    http://jordi.platinum.linux.pl/machlean/

I forget which one you're working on. I think it's 5 or 6.

HTH,
- Jordi G. H.