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| = FunExamples = | ## page was renamed from FunExamples = John Conways’s “Game of Life” = |
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| [[TableOfContents]] == Meaning of Life (Hitchhiker`s Guide to the Galaxy) == Whatever you specify as right argument to this function: |
This function takes a boolean matrix as argument and returns a boolean matrix with the new generation. |
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| MeaningOfLife←{+.×/⍎⊖⍕⊃¨⊂|⌊-*+○⌈∨.∧/>\</×÷!⌽⍉⍉⌹~⍴⍋⍒,⍟?⍳''≡1↑0⍴∊⍵} | ∇ nextGeneration←Life currentGeneration [1] ⍝⍝ Take a matrix of Booleans and returns one [2] nextGeneration←↑1 currentGeneration∨.∧3 4=+/,¯1 0 1∘.⊖¯1 0 1∘.⌽⊂currentGeneration ∇ |
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| ...will produce a reasonable answer, regardless which type/lenght/depth/rank it is. | |
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| == John Conways`s "Game of Life" == | == External links == |
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| This dynamic function takes a boolean matrix as argument and return a boolean matrix with the new generation. It is taken from [http://www.dyalog.dk/dfnsdws/n_life.htm Dyalog`s] Website. Note that this website is at the moment ist not supporting Unicode. You should see APL characters with Internet Explorer but not with other browser. | * WikiPedia:Conways_Game_of_Life * [[http://catpad.net/michael/apl/|Conway’s Game of Life in one line of APL]] * [[http://www.vector.org.uk/archive/v213/cliff213.htm|Time(r) for the Game of Life]] |
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| {{{ life←{ ↑1 ⍵∨.∧3 4=+/,¯1 0 1∘.⊖¯1 0 1∘.⌽⊂⍵ } }}} |
---- CategoryShowcases |
John Conways’s “Game of Life”
This function takes a boolean matrix as argument and returns a boolean matrix with the new generation.
∇ nextGeneration←Life currentGeneration [1] ⍝⍝ Take a matrix of Booleans and returns one [2] nextGeneration←↑1 currentGeneration∨.∧3 4=+/,¯1 0 1∘.⊖¯1 0 1∘.⌽⊂currentGeneration ∇