Name: Shaowu zhang Date: 07/01/16-03:44:37 PM Z


Hi
   Could you help me check the code as follows?

ScalarProduct[p,p]=m^2

ScalarProduct[k,k]=0
top=FAD[{q1, m}, {q1 - p}, {q1 - 2 p, m}, {q1 - k - 2 p, m}] // FCI
ApartFF[top,q1]

Next,the result is “Infinite expression 1/0 encountered.”
I do not understand the wrong result.