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21 lines
720 B
SQL
21 lines
720 B
SQL
SELECT '[1,2,3]'::vector + '[4,5,6]';
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SELECT '[1,2,3]'::vector - '[4,5,6]';
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SELECT vector_dims('[1,2,3]');
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SELECT round(vector_norm('[1,1]')::numeric, 5);
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SELECT round(l2_distance('[1,2]', '[0,0]')::numeric, 5);
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SELECT l2_distance('[1,2]', '[3]');
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SELECT inner_product('[1,2]', '[3,4]');
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SELECT inner_product('[1,2]', '[3]');
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SELECT round(cosine_distance('[1,2]', '[2,4]')::numeric, 5);
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SELECT cosine_distance('[1,2]', '[0,0]');
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SELECT cosine_distance('[1,2]', '[3]');
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SELECT avg(v) FROM unnest(ARRAY['[1,2,3]'::vector, '[3,5,7]']) v;
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SELECT avg(v) FROM unnest(ARRAY['[1,2,3]'::vector, '[3,5,7]', NULL]) v;
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SELECT avg(v) FROM unnest(ARRAY[]::vector[]) v;
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SELECT avg(v) FROM unnest(ARRAY['[1,2]'::vector, '[3]']) v;
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