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2071 | zjchen | 1 | !! +var+ +exec+ +string+ |
2 | $lst_tit recursion$lst_titend$type_both |
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3 | $(lst_syntax)recursion $emph fn$emphend for $emph v$emphend=$emph v1$emphend |
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4 | to $emph v2$emphend [step $emph st $emphend], 或 <br> |
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5 | $ !recursion $emph fn$emphend for $emph v$emphend in |
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6 | $emph v1,v2,v3,...$emphend</tt> <br> |
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7 | $lst_mean 让变量 $emph v $emphend 逐次取从 $emph v1$emphend 到 |
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8 | $emph v2$emphend 的值, 递归地计算函数 $emph fn$emphend 的值. <p> |
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9 | 如果是第二句的形式, 变量依次取表 $emph v1,v2,...$emphend 里的值. <p> |
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10 | 函数 $emph fn$emphend 内应使用变量 $emph last$emphend |
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11 | 表示上一次计算得到的值. 初始值可以放在WIMS变量 <tt>$$recursion_start</tt> 内. |
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12 |