| 单词 | forward difference operator |
| 释义 | forward difference operator [¦fȯr·wǝrd ¦dif·rǝns `äp·ǝ´rād·ǝr] MATHEMATICS A difference operator, denoted Δ, defined by the equation Δf (x ) = f (x + h ) - f (x ), where h is a constant indicating the difference between successive points of interpolation or calculation. |
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