“forward difference”的概念、定义、翻译、参考文献-科学参考

单词	forward difference
释义	forward difference Mathematics If {(x_i, f_i)}, i≥0 is a given set of function values with x_i+1 = x_i + h, f_i = f(x_i), then the forward difference operator Δ‎ is defined by $Δ f_{i} = f_{i + 1} - f_{i} = f (x_{i + 1}) - f (x_{i}) .$ See Gregory–Newton forward difference formula.
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