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Generative AI / Model Inputs

Cosine similarity

Learn Cosine similarity in Generative AI with a focused explanation, a topic-specific example, and a mastery check.

12 min read • Beginner
generative-ai-004.py
python 
from math import sqrt
def cosine(a,b): return sum(x*y for x,y in zip(a,b))/(sqrt(sum(x*x for x in a))*sqrt(sum(y*y for y in b)))
print(cosine([1,0.2,0],[0.9,0.3,0.1]))
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