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BQN (CBQN), 10 bytes Anonymous function that takes m on the left and n on the right. {𝕨‿𝕩⥊↕𝕨×𝕩} ↕𝕨×𝕩 # list of range [0,m*n) 𝕨‿𝕩⥊ # reshape list to m*n Try it here!

posted 2y ago by snail_‭  ·  edited 2y ago by snail_‭

BQN, 107 bytes A↩C←A⇐¯π{_𝕣_:@;/⊏𝕩.y?𝕗‿∊𝕊⟨𝕤,⍷⟩𝕏𝕎𝔽𝕨𝔾𝕘}∞˙⌜˘¨´˝`(•Js⎉⊔⎊⌽⌾⍉⚇«∘»·∧○∨⍋⍒↑↓≍∾˜⥊⋈↕⊢⍟⊣¬!|≡≢/≥⟜≠=⊸≥⊐⊘⊒◶⊑><⌊⌈√⁼⋆+-×÷)⋄# BQN doesn't have keywords but primitive symbols are reserved. It's ...

posted 2y ago by Razetime‭  ·  edited 2y ago by Razetime‭

BQN, 13 bytes {+´(𝕨⋆↕≠𝕩)×𝕩} { } # fn +´ # sum reduce (𝕨⋆↕≠𝕩) # x^i for each term ×𝕩 # times each coefficient Try it

posted 2y ago by snail_‭  ·  edited 2y ago by snail_‭