Hilbert curve: Difference between revisions

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 <lang J>iter=: (, 1 , +@|.) @: (,~ 0j_1 ,~ 0j_1*|.)
 hilbert=: {{0j1+(%{:) +/\0,iter ^: y ''}}
+</lang>
+For a graphical presentation, you could use (for example):
+<lang J>require'plot'
+plot hilbert 5</lang>
+For asciiart, you could instead use:
+<lang J>
 asciiart=:{{
   coords=. 1 3*"1 +. y % <./(,+.y)-.0
@@ Line 1,398: / Line 1,407: @@
   canvas=. '|' (>./"2 vertical#pairs)} canvas
 }}
-</lang>
-For a graphical presentation, you could use (for example):
-<lang J>require'plot'
-plot hilbert 5</lang>
-For asciiart, you could instead use:
-<lang J>   asciiart hilbert 4
+   asciiart hilbert 4
  __ __    __ __    __ __    __ __    __ __
 |__   |__|   __|  |__   |__|   __|  |__   |__|