What does difference equation mean?
Definitions for difference equation
dif·fer·ence equa·tion
This dictionary definitions page includes all the possible meanings, example usage and translations of the word difference equation.
Wiktionary
difference equationnoun
An equation involving an ordered sequence or real numbers () and some number if it's differences, where the first difference is defined as and the k difference is defined recursively as .
difference equationnoun
more broadly, any recurrence relation
Wikipedia
difference equation
In mathematics, a recurrence relation is an equation according to which the n {\displaystyle n} th term of a sequence of numbers is equal to some combination of the previous terms. Often, only k {\displaystyle k} previous terms of the sequence appear in the equation, for a parameter k {\displaystyle k} that is independent of n {\displaystyle n} ; this number k {\displaystyle k} is called the order of the relation. If the values of the first k {\displaystyle k} numbers in the sequence have been given, the rest of the sequence can be calculated by repeatedly applying the equation. In linear recurrences, the nth term is equated to a linear function of the k {\displaystyle k} previous terms. A famous example is the recurrence for the Fibonacci numbers, where the order k {\displaystyle k} is two and the linear function merely adds the two previous terms. This example is a linear recurrence with constant coefficients, because the coefficients of the linear function (1 and 1) are constants that do not depend on n {\displaystyle n} . For these recurrences, one can express the general term of the sequence as a closed-form expression of n {\displaystyle n} . As well, linear recurrences with polynomial coefficients depending on n {\displaystyle n} are also important, because many common elementary and special functions have a Taylor series whose coefficients satisfy such a recurrence relation (see holonomic function). Solving a recurrence relation means obtaining a closed-form solution: a non-recursive function of n {\displaystyle n} . The concept of a recurrence relation can be extended to multidimensional arrays, that is, indexed families that are indexed by tuples of natural numbers.
Numerology
Chaldean Numerology
The numerical value of difference equation in Chaldean Numerology is: 4
Pythagorean Numerology
The numerical value of difference equation in Pythagorean Numerology is: 6
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"difference equation." Definitions.net. STANDS4 LLC, 2024. Web. 28 Apr. 2024. <https://www.definitions.net/definition/difference+equation>.
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