In mathematics, in the area of combinatorics and quantum calculus, the '''q-derivative, or Jackson derivative', is a q''-analog of the ordinary derivative, introduced by Frank Hilton Jackson. It is the inverse of Jackson's q-integration. For other forms of q-derivative, see .
In mathematics, in the area of combinatorics and quantum calculus, the '''q-derivative, or Jackson derivative', is a q''-analog of the ordinary derivative, introduced by Frank Hilton Jackson. It is the inverse of Jackson's q-integration. For other forms of q-derivative, see .
==Definition== The q-derivative of a function f(x) is defined as \left(\frac{d}{dx}\right)_q f(x)=\frac{f(qx)-f(x)}{qx-x}.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).