Pivot de Gauss

gistfile1.py

pivot = (
  lambda m:
    (lambda f: (lambda x: x(x))(lambda y: f(lambda *args: y(y)(*args))))
    (lambda g:
      (lambda h,n:
        g(
          (lambda i:
            [
              [ z - y[n]*i[n][k]/i[n][n] for k,z in enumerate(y) ]
              if x!=n else
              [ z/i[n][n] for z in y ]
            for x,y in enumerate(i) ]
          )
          ( sorted(h,key=lambda l: [abs(x) for x in l], reverse=True) ),
          n+1
        ) if n < len(h) else h
      )
    )
    (m, 0)
)