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单词 Backward Difference
释义

Backward Difference

The backward difference is a Finite Difference defined by

(1)

Higher order differences are obtained by repeated operations of the backward difference operator, so
(2)
  
 (3)

In general,
(4)

where is a Binomial Coefficient.


Newton's Backward Difference Formula expresses as the sum of the th backward differences

(5)

where is the first th difference computed from the difference table.

See also Adams' Method,Difference Equation, Divided Difference, Finite Difference, Forward Difference,Newton's Backward Difference Formula, Reciprocal Difference


References

Beyer, W. H. CRC Standard Mathematical Tables, 28th ed. Boca Raton, FL: CRC Press, pp. 429 and 433, 1987.


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更新时间:2025/4/3 11:52:09