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A-M baby

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Ingy döt Net 2013-04-10 21:29:02 -07:00
parent 764da6cbbb
commit db842d013d
19005 changed files with 197040 additions and 7 deletions
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Task/Image-convolution/J/image-convolution.j Normal file
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NB. pad the first n dimensions of an array with zeros
NB. (increasing all dimensions by 1 less than the kernel size)
pad=: adverb define
adj1=: <.m%2
adj2=: m-1
(-@(adj2 + ]) {. (adj1 + ]) {. [) (#m) {. $
)
kernel_filter=: adverb define
[: ,/"(-#$m) ($m) +/@(,/^:(_1+#$m))@:*&m;._3 ($m)pad
)