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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 72d218235f
commit f23f22d71c
199087 changed files with 3378941 additions and 0 deletions
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4
Task/Closest-pair-problem/J/closest-pair-problem-1.j Normal file
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vecl =: +/"1&.:*: NB. length of each vector
dist =: <@:vecl@:({: -"1 }:)\ NB. calculate all distances among vectors
minpair=: ({~ > {.@($ #: I.@,)@:= <./@;)dist NB. find one pair of the closest points
closestpairbf =: (; vecl@:-/)@minpair NB. the pair and their distance

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Task/Closest-pair-problem/J/closest-pair-problem-2.j Normal file
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]pts=:10 2 ?@$ 0
0.654682 0.925557
0.409382 0.619391
0.891663 0.888594
0.716629 0.9962
0.477721 0.946355
0.925092 0.81822
0.624291 0.142924
0.211332 0.221507
0.293786 0.691701
0.839186 0.72826
closestpairbf pts
+-----------------+---------+
|0.891663 0.888594|0.0779104|
|0.925092 0.81822| |
+-----------------+---------+

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Task/Closest-pair-problem/J/closest-pair-problem-3.j Normal file
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]pts=:10 4 ?@$ 0
0.559164 0.482993 0.876 0.429769
0.217911 0.729463 0.97227 0.132175
0.479206 0.169165 0.495302 0.362738
0.316673 0.797519 0.745821 0.0598321
0.662585 0.726389 0.658895 0.653457
0.965094 0.664519 0.084712 0.20671
0.840877 0.591713 0.630206 0.99119
0.221416 0.114238 0.0991282 0.174741
0.946262 0.505672 0.776017 0.307362
0.262482 0.540054 0.707342 0.465234
closestpairbf pts
+------------------------------------+--------+
|0.217911 0.729463 0.97227 0.132175|0.708555|
|0.316673 0.797519 0.745821 0.0598321| |
+------------------------------------+--------+