Also known as absolute value function, absolute value of real number, modulus, absolute value of a real number, abs, abs()
nonnegative number with the same magnitude as a given real number
The absolute value of a number is its distance from zero on the number line, always expressed as a nonnegative (zero or positive) value. It matters because it lets us measure magnitude or "size" without worrying about whether a number is positive or negative.
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).