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19 lines
819 B
SQL
19 lines
819 B
SQL
SELECT round(sparsevec_norm('{1:1,2:1}/2')::numeric, 5);
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SELECT sparsevec_norm('{1:3,2:4}/2');
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SELECT sparsevec_norm('{2:1}/2');
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SELECT sparsevec_norm('{1:3e37,2:4e37}/2')::real;
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SELECT l2_distance('{}/2'::sparsevec, '{1:3,2:4}/2');
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SELECT l2_distance('{}/2'::sparsevec, '{2:1}/2');
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SELECT '{}/2'::sparsevec <-> '{1:3,2:4}/2';
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SELECT inner_product('{1:1,2:2}/2'::sparsevec, '{1:2,2:4}/2');
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SELECT sparsevec_negative_inner_product('{1:1,2:2}/2', '{1:2,2:4}/2');
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SELECT cosine_distance('{1:1,2:2}/2'::sparsevec, '{1:2,2:4}/2');
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SELECT cosine_distance('{1:1,2:2}/2'::sparsevec, '{}/2');
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SELECT cosine_distance('{1:1,2:1}/2'::sparsevec, '{1:-1,2:-1}/2');
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SELECT cosine_distance('{1:2}/2'::sparsevec, '{2:2}/2');
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SELECT cosine_distance('{}/1'::sparsevec, '{}/1');
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SELECT cosine_distance('{1:2}/2'::sparsevec, '{1:1}/3');
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