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2 3⍴⍳6 ⍝ Matrix of first six ints +/⍳100 ⍝ Bad way to sum 100 consecutive ints {2÷⍨+/⍵×-/1,⍵←2⍴⍵}1 100 ⍝ Good way to sum 100 consecutive ints Avg←{(+/⍵)÷≢⍵} ⋄ Avg⍳100 ⍝ Average of 100 consecutive ints ∘⍨⍳5 ⍝ Inner product (+.×) selfie on ints ∘.×⍨⍳5 ⍝ Outer product selfie on ints
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