Doug TurnbullDoug Turnbull's personal blog and essays
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Reconstructing a cosine similarityIf you know u and v's dot products to A1...An can you reconstruct u.v?Sun, 12 Mar 2023 00:00:00 +0000
/blog/2023/03/12/reconstruct-dot-product-from-other-dot-products.html
/blog/2023/03/12/reconstruct-dot-product-from-other-dot-products.htmlEstimate dot product through two shared referencesTaking things up exactly one notch, from one shared reference, to two to estimate a dot product.Fri, 10 Mar 2023 00:00:00 +0000
/blog/2023/03/10/two-shared-reference-points.html
/blog/2023/03/10/two-shared-reference-points.htmlEstimate dot product through a shared referenceGiven a reference vector `A`, where we know `u.A` and `v.A` what can we say about `u.v`?Thu, 02 Mar 2023 00:00:00 +0000
/blog/2023/03/02/shared-dot-product.html
/blog/2023/03/02/shared-dot-product.htmlHow likely is a given dot product?Finding the probability of a dot product between two vectors lets us quantify how much information is in cosine similarity.Tue, 28 Feb 2023 00:00:00 +0000
/blog/2023/02/28/probability-of-dot-product.html
/blog/2023/02/28/probability-of-dot-product.htmlVector Search for the UninitiatedWhat is vector search and why all the sudden are we talking about it?Mon, 13 Feb 2023 00:00:00 +0000
/blog/2023/02/13/why-vector-search.html
/blog/2023/02/13/why-vector-search.htmlOrthogonality expected at higher dimensionsNinety degrees isn't particularly special in 2D, but 3D and beyond, it's the expected angle between two unit vectors.Mon, 26 Dec 2022 00:00:00 +0000
/blog/2022/12/26/surpries-at-hi-dimensions-orthoginality.html
/blog/2022/12/26/surpries-at-hi-dimensions-orthoginality.htmlWhat ChatGPT Says About The WebChatGPT unlocks information from the Web, and away from sites that abuse their users attention with spam and writing that targets Google, not humans.Sat, 24 Dec 2022 00:00:00 +0000
/blog/2022/12/24/chat-gpt-says-about-web.html
/blog/2022/12/24/chat-gpt-says-about-web.htmlMake a search engine in ChatGPTIndex some documents, provide some queries, ChatGPT will tell you the most relevant documents for those queriesSun, 04 Dec 2022 00:00:00 +0000
/blog/2022/12/04/make-a-search-engine-in-chatgpt.html
/blog/2022/12/04/make-a-search-engine-in-chatgpt.htmlMeet Fred, a person living inside ChatGPTFred works in marketing in New York City and enjoys running. He lost his job at the beginning of the pandemic.Sat, 03 Dec 2022 00:00:00 +0000
/blog/2022/12/03/meet-fred.html
/blog/2022/12/03/meet-fred.htmlThe Importance of Naive SolutionsWith algorithm development, naive solutions provide a crucial reference implementation for your testing.Mon, 14 Nov 2022 00:00:00 +0000
/blog/2022/11/14/importance-of-naive-solutions.html
/blog/2022/11/14/importance-of-naive-solutions.html