(alexop.dev)

86 points alexop | 3 comments | 09 Mar 25 09:20 UTC | HN request time: 1.068s | source

1. raverbashing ◴[11 Mar 25 06:29 UTC] No.43329726[source]▶

Meanwhile in Python this is just

    (a @ b.T)/(np.linalg.norm(a)*np.linalg.norm(b))

replies(1): >>43330264 #

2. forgotpwd16 ◴[11 Mar 25 08:08 UTC] No.43330264[source]▶

Because you use numpy. Could as well import cosine_similarity from sklearn.

replies(1): >>43331468 #

3. Etherlord87 ◴[11 Mar 25 11:41 UTC] No.43331468[source]▶

you could also normalize (divide all components by magnitude) both vectors and simply take the dot product?

How to Implement a Cosine Similarity Function in TypeScript