29 lines
922 B
Matlab
29 lines
922 B
Matlab
function display_nearest_words(word, model, k)
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% Shows the k-nearest words to the query word.
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% Inputs:
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% word: The query word as a string.
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% model: Model returned by the training script.
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% k: The number of nearest words to display.
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% Example usage:
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% display_nearest_words('school', model, 10);
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word_embedding_weights = model.word_embedding_weights;
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vocab = model.vocab;
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id = strmatch(word, vocab, 'exact');
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if ~any(id)
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fprintf(1, 'Word ''%s\'' not in vocabulary.\n', word);
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return;
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end
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% Compute distance to every other word.
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vocab_size = size(vocab, 2);
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word_rep = word_embedding_weights(id, :);
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diff = word_embedding_weights - repmat(word_rep, vocab_size, 1);
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distance = sqrt(sum(diff .* diff, 2));
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% Sort by distance.
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[d, order] = sort(distance);
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order = order(2:k+1); % The nearest word is the query word itself, skip that.
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for i = 1:k
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fprintf('%s %.2f\n', vocab{order(i)}, distance(order(i)));
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end
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