Tuesday, August 1, 2017

July 2017 1HaskellADay 1Liner

  • July 7th, 2017:
    In LU-decomposition of matrices you have square P-matrix:
    [[1,0..],
     [0,2,0..],
     [0,0,3,0..],
    ...]
    For matrices of n² size
    Code that
    • ∃! David Turner @DaveCTurner
      • matrix n = let td = take n . drop 1 in td [td $ replicate i 0 ++ [i] ++ repeat 0 | i <- [0..]]