ReplaceRepeated

可用

Repeatedly applies transformation rules until no more changes occur.

形式

expr //. rules

ReplaceRepeated[rules]

已驗證的範例f[f[f[2]]] //. f[x_] -> x → 2 f[f[f[f[2]]]] //. f[2] -> 2 → 2 f[f[f[2]]] //. f[x_] -> x + 1 → 5

在 Qurak 上執行搜尋參考文件

使用於

Use a rule with an expression more than once - 6 個步驟

主題

Iterated Maps And Fractals - Iterating Arbitrary Functions
Looping Constructs - Iterating over Lists & Expressions »
Pattern Matching Functions - Patterns for Part Specifications
Rules - Applying Rules
Rules And Patterns - Rules »

相關

Replace ReplaceAll Rule Set FixedPoint ReplaceAt ReplaceList SparseArray AllMatch AnyMatch Cases Condition

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