difference equation

About 0.36 uses per million words.

Meaning

1. noun An equation involving an ordered sequence of real numbers ({an}n=1∞) and some of its differences, where the first difference is defined as Δ(an)=an+1−an and the k difference is defined recursively as Δk(an)=Δk−1(an+1)−Δk−1(an).
2. noun more broadly, any recurrence relation

Similar words

finite difference equidifference diff eq common difference differential differential equation difference quotient ordinary differential equation antidifference differential operator