Lesson Complete!
Store and Search Vectors
What you did in this lesson
- Learned that cosine similarity measures directional closeness between vectors
- Wrote
cosine_similarity()— scores two vectors with numpy - Wrote
search()— embeds a question and returns the top matching chunks - Wrote
test_search()— verified the pipeline end-to-end up to retrieval
What comes next
You can now retrieve the most relevant passages from any PDF. In Lesson 5, you will hand those passages to Gemini and ask it to generate an answer.