请教刘老师,在P[x]4中,D为求导变换,给出D在基（1,x,x^2,x^3）下的矩阵.

• .1.参考答案-1
  D(1,x,x^2,x^3) = (0,1,2x,3x^2) = (1,x,x^2,x^3) A;
  A = 0 1 0 0
  0 0 2 0
  0 0 0 3
  0 0 0 0