我无法将较旧的模型转换为Netlogo6。具体地说,我有两个报告程序进程列表,无法使用新语法正常工作。两者都结合了V5.0及更低版本中使用的旧的?2?1语法。我将不胜感激。这是代码
to-report util-partial-sums [#lst]
set #lst (fput [0] #lst)
report butfirst reduce [lput (?2 + last ?1) ?1] #lst
end
to-report util-compare-adjacent-pairs-in-list [randnum specieslist]
let post 0
let list1 (butlast specieslist)
let list2 (butfirst specieslist)
ifelse randnum <= first specieslist [set post 0]
[ifelse randnum > last specieslist [set post position (last specieslist) specieslist]
[
(foreach list1 list2 [
if randnum > ?1 and randnum <= ?2 [set post ((position ? specieslist) + 1)]])
]
]
report post
end
答案 0 :(得分:2)
现在,匿名过程要求您(在线)显式定义参数,而不是使用预定义的1st / 2nd。
话虽这么说
[lput (?2 + last ?1) ?1]
应映射到
[[x y] -> lput (y + last x) x]
for循环中发生相同的问题。
这特别有用: https://ccl.northwestern.edu/netlogo/docs/programming.html#anonymous-procedures
匿名过程需要多个输入
没事
(foreach xs ys [[x y]-> setx x + y])
(map [[x y]-> x mod round y] xs ys)