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我想创建一个列表list-of-m,其中m值在每轮循环后会更新并fput到list-of-m中。在6轮循环之后开始比较,如果列表中0 1 2项的均值与3 4 5项的均值的绝对值相差小于0.1,并且如果列表中6 7 8项的均值与3 4 5项的均值的绝对值相差小于0.1,并且如果列表中0 1 2项的均值与6 7 8项的均值的绝对值相差小于0.1,就停止程序运行。我按下面的方法编,报告(红色部分):expected number,list,string or boolean.高手赐教啊!
: W1 S" Q: B+ {% E: r) \set t t + 1
9 B( U! L8 r7 n) X n0 Owhile [t > 6 ] [ if abs((mean [item 0 list-of-m item 1 list-of-m item 2 list-of-m]) - (mean [item 3 list-of-m item 4 list-of-m item 5 list-of-m]))< 0.01 and, T- M0 Z0 F/ Y/ N0 I: Q
abs((mean [item 6 list-of-m item 7 list-of-m item 8 list-of-m]) - (mean [item 3 list-of-m item 4 list-of-m item 5 list-of-m]))< 0.01 and
3 @4 g! p N/ l* n6 @3 V abs((mean [item 6 list-of-m item 7 list-of-m item 8 list-of-m]) - (mean [item 3 list-of-m item 4 list-of-m item 5 list-of-m])) < 0.01[stop]$ @( B+ }# m8 R
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