Piecewise polynomial price curve

[Tommy k]

Hi All,

 Is it possible to use a piece wise polynomial price curve in matpower as
below where a,b,c,d,e & f are non negative constants?

        / f(g) = |   a+bg+cg²  if   0  ≤ g < 130,
       |   d+eg+fg² if 130 ≤ g < 200
        \


Regards
  Tom