where is the backward difference.
Newton's Backward Difference Formula
See also
Newton's Forward Difference FormulaExplore with Wolfram|Alpha
References
Beyer, W. H. CRC Standard Mathematical Tables, 28th ed. Boca Raton, FL: CRC Press, p. 433, 1987.Referenced on Wolfram|Alpha
Newton's Backward Difference FormulaCite this as:
Weisstein, Eric W. "Newton's Backward Difference Formula." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/NewtonsBackwardDifferenceFormula.html