Advanced Search

Question: how can I solve (Error, unable to compute coeff) error on Maple

Question:how can I solve (Error, unable to compute coeff) error on Maple

shkarah 20 Maple
November 16 2019
3

I get error on Maple code 

N := 4

f(x):=sum(p^i*fi, i = 0 .. N);

HPMEq := (1-p)(diff(f(x), x$3))+p(diff(f(x), x$3)+(1/2)(diff(f(x), x, x))*f(x));

for i from 0 to N do equ[2][i] := coeff(HPMEq, p, i) = 0 end do

Error, unable to compute coeff
Please Wait...