NB. <./\ B ---------------------------------------------------------------

(0 0 1 1 ,: 0 0 0 1) -: <./\ 0 0 1 1 ,: 0 1 0 1
(20$1) -: <./\20$1
(20$0) -: <./\20$0

min=. 4 : 'x<.y'

(<./\   -: min/\  ) x=.?    13$2
(<./\   -: min/\  ) x=.?7   13$2
(<./\"1 -: min/\"1) x
(<./\   -: min/\  ) x=.?3 5 13$2
(<./\"1 -: min/\"1) x
(<./\"2 -: min/\"2) x
(<./\   -: min/\  ) x=.?    12$2
(<./\   -: min/\  ) x=.?4   12$2
(<./\"1 -: min/\"1) x
(<./\   -: min/\  ) x=.?4 8 12$2
(<./\"1 -: min/\"1) x
(<./\"2 -: min/\"2) x


NB. <./\ I ---------------------------------------------------------------

min=. 4 : 'x<.y'

(<./\ -: min/\) x=.1 2 3 1e9 2e9
(<./\ -: min/\) |.x

(<./\   -: min/\  ) x=._1e4+?    13$2e4
(<./\   -: min/\  ) x=._1e4+?4   13$2e4
(<./\"1 -: min/\"1) x
(<./\   -: min/\  ) x=._1e4+?3 5 13$2e4
(<./\"1 -: min/\"1) x
(<./\"2 -: min/\"2) x

(<./\   -: min/\  ) x=._1e9+?    13$2e9
(<./\   -: min/\  ) x=._1e9+?4   13$2e9
(<./\"1 -: min/\"1) x
(<./\   -: min/\  ) x=._1e9+?3 5 13$2e9
(<./\"1 -: min/\"1) x
(<./\"2 -: min/\"2) x


NB. <./\ D ---------------------------------------------------------------

min=. 4 : 'x<.y'

(<./\   -: min/\  ) x=.0.01*_1e4+?    13$2e4
(<./\   -: min/\  ) x=.0.01*_1e4+?4   13$2e4
(<./\"1 -: min/\"1) x
(<./\   -: min/\  ) x=.0.01*_1e4+?3 5 13$2e4
(<./\"1 -: min/\"1) x
(<./\"2 -: min/\"2) x


NB. <./\. Z ---------------------------------------------------------------

min=. 4 : 'x<.y'

(<./\   -: min/\  ) x=.[&.j. 0.1*_1e2+?    13$2e2
(<./\   -: min/\  ) x=.[&.j. 0.1*_1e2+?4   13$2e2
(<./\"1 -: min/\"1) x
(<./\   -: min/\  ) x=.[&.j. 0.1*_1e2+?3 5 13$2e2
(<./\"1 -: min/\"1) x
(<./\"2 -: min/\"2) x

(,'j')    -: <./\'j'
(,<'ace') -: <./\<'ace'

'domain error' -: <./\ etx 'deipnosophist'
'domain error' -: <./\ etx ;:'peace in our time'

4!:55 ;:'f min x'