Created
February 15, 2024 02:16
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VectorSearch.kql
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| let series_cosine_similarity_fl=(vec1:dynamic, vec2:dynamic, vec1_size:real=double(null), vec2_size:real=double(null)) | |
| { | |
| let dp = series_dot_product(vec1, vec2); | |
| let v1l = iff(isnull(vec1_size), sqrt(series_dot_product(vec1, vec1)), vec1_size); | |
| let v2l = iff(isnull(vec2_size), sqrt(series_dot_product(vec2, vec2)), vec2_size); | |
| dp/(v1l*v2l) | |
| }; | |
| let s1=pack_array(0, 1); | |
| let s2=pack_array(sqrt(2), sqrt(2)); | |
| print angle=acos(series_cosine_similarity_fl(s1, s2))/(2*pi())*360 |
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