Thanks for pointing the missing glyph. I will paste the correct code. backbias←{+/,⍵} logistic←{÷1+*-⍵} maxpos←{(,⍵)⍳⌈/,⍵} backavgpool←{2⌿2/⍵÷4}⍤2 me

Thanks for pointing the missing glyph. I will paste the correct code. backbias←{+/,⍵} logistic←{÷1+*-⍵} maxpos←{(,⍵)⍳⌈/,⍵} backavgpool←{2⌿2/⍵÷4}⍤2 meansqerr←{÷∘2+/,(⍺-⍵)*2} avgpool←{÷∘4{+/,⍵}⌺(2 2⍴2)⍤2⊢⍵} conv←{s←1+(⍴⍵)-⍴⍺⋄⊃+/,⍺×(⍳⍴⍺){s↑⍺↓⍵}¨⊂⍵} backin←{(d w in)←⍵⋄⊃+/,w{(⍴in)↑(-⍵+⍴d)↑⍺×d}¨⍳⍴w} multiconv←{(a ws bs)←⍵⋄bs{⍺+⍵ conv a}⍤(0,(⍴⍴a))⊢ws}