X̂ is the Latin letter X with a circumflex. The letter is used in the modern orthography of the Aleut language and in the current Alaska Native Language Center alphabet of the Haida language. In both cases, it represents the sound .
via Wikipedia infobox
X̂ is the Latin letter X with a circumflex. The letter is used in the modern orthography of the Aleut language and in the current Alaska Native Language Center alphabet of the Haida language. In both cases, it represents the sound .
In mathematics, x̂ often refers to the unit vector in the +X direction. In statistics, it can also represent the predicted value for x, consistent with the hat notation.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).