Differences between revisions 5 and 6

FunExamples

John Conways`s "Game of Life"

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.

life←{↑1 ⍵∨.∧3 4=+/,¯1 0 1∘.⊖¯1 0 1∘.⌽⊂⍵}

Meaning of Life (Hitchhiker`s Guide to the Galaxy)

As you might know, the answer to the ultimate question is 42, according to [http://en.wikipedia.org/wiki/Douglas_adams Douglas Adamss] famous book "[http://en.wikipedia.org/wiki/The_Hitchhiker's_Guide_to_the_Galaxy Hitchhikers Guide to the Galaxy"]. We do not need a supercomputer and millions of years to proof that. Whatever you specify as right argument to this function:

MeaningOfLife←{+.×/⍎⊖⍕⊃¨⊂|⌊-*+○⌈∨.∧/>\</×÷!⌽⍉⍉⌹~⍴⍋⍒,⍟?⍳''≡1↑0⍴∊⍵}

...will produce a reasonable answer, regardless which type/lenght/depth/rank it is.

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-life←{                                       ↑1 ⍵∨.∧3 4=+/,¯1 0 1∘.⊖¯1 0 1∘.⌽⊂⍵    }
+life←{↑1 ⍵∨.∧3 4=+/,¯1 0 1∘.⊖¯1 0 1∘.⌽⊂⍵}