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forward difference

   Also found in: Wikipedia 0.04 sec.
forward difference [¦fȯr·wərd ′dif·rəns]
(mathematics)
One of a series of quantities obtained from a function whose values are known at a series of equally spaced points by repeatedly applying the forward difference operator to these values; used in interpolation or numerical calculation and integration of functions.


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In this section, we give a theorem which provides some estimates on these type of the inequality (2) about the forward difference operator.
[differential]B/[differential]t can be approximated by using a forward difference approximation:
 
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