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86 points alexop | 3 comments | 09 Mar 25 09:20 UTC | HN request time: 1.585s | source

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frotaur ◴[11 Mar 25 02:02 UTC] No.43328389[source]▶

As a physicist, I always found it funny that in ML people renamed 'the angle between vectors' into something as fancy-feeling as 'cosine similarity'.

1. raverbashing ◴[11 Mar 25 06:26 UTC] No.43329714[source]▶

As an engineer I find it funny when physicists (and general ML bros) don't know about linear algebra concepts

replies(1): >>43332809 #

2. frotaur ◴[11 Mar 25 14:30 UTC] No.43332809[source]▶

huh? This is just a funny joke on the way its named, what made you think I don't know about dot products ?

replies(1): >>43332885 #

3. raverbashing ◴[11 Mar 25 14:38 UTC] No.43332885[source]▶

It could be a joke, but the way you wrote it makes it sound like you didn't know it

> in ML people renamed 'the angle between vectors' into something as fancy-feeling as 'cosine similarity'.

Since cosine similarity is a name derived from linear algebra

How to Implement a Cosine Similarity Function in TypeScript