Cosine Similarity

[subhabangalore at gmail.com]

T

On Friday, December 7, 2012 9:47:46 AM UTC+5:30, Miki Tebeka wrote:
> On Thursday, December 6, 2012 2:15:53 PM UTC-8, subhaba... at gmail.com wrote:
> 
> > I am looking for some example of implementing Cosine similarity in python. I searched for hours but could not help much. NLTK seems to have a module but did not find examples. 
> 
> Should be easy with numpy:
> 
>     import numpy as np
> 
> 
> 
>     def cos(v1, v2):
> 
>        return np.dot(v1, v2) / (np.sqrt(np.dot(v1, v1)) * np.sqrt(np.dot(v2, v2)))
> 
> 
> 
> 
> 
> HTH,
> 
> --
> 
> Miki

Thanks Miki. It worked. Regards,Subhabrata.