Forward Difference
The forward difference is a Finite Difference defined by
 | (1) |
 |  |  | |
|  | (2) |
In general,
 | (3) |
is a Binomial Coefficient.Newton's Forward Difference Formula expresses 
as the sum of the 
th forward differences
 | (4) |
is the first th difference computed from the difference table.See also Backward Difference, Central Difference, Difference Equation, Divided Difference,Reciprocal Difference
References
Abramowitz, M. and Stegun, C. A. (Eds.). Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables, 9th printing. New York: Dover, p. 877, 1972.
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