Tue Feb 10 12:28:49 2004 run on Linux
*** c already defined as operator
exp1:=441*x^7+780*x^6-2861*x^5+4085*x^4+7695*x^3+3713*x^2-43253*x+24500;
exp1 :=
7 6 5 4 3 2
441*x + 780*x - 2861*x + 4085*x + 7695*x + 3713*x - 43253*x + 24500
exp2:=9*x^6+6*x^5-65*x^4+20*x^3+135*x^2-154*x+49;
6 5 4 3 2
exp2 := 9*x + 6*x - 65*x + 20*x + 135*x - 154*x + 49
aa:=7*x^13+10*x^8+4*x^7-7*x^6-4*x^3-4*x^2+3*x+3;
13 8 7 6 3 2
aa := 7*x + 10*x + 4*x - 7*x - 4*x - 4*x + 3*x + 3
bb:=x^14-2*x^8-2*x^7-2*x^4-4*x^3-x^2+2*x+1;
14 8 7 4 3 2
bb := x - 2*x - 2*x - 2*x - 4*x - x + 2*x + 1
% example 2.14
a:=48*x^3-84*x^2+42*x-36;
3 2
a := 6*(8*x - 14*x + 7*x - 6)
b:=-4*x^3-10*x^2+44*x-30;
3 2
b := 2*( - 2*x - 5*x + 22*x - 15)
% square free ex
c:=x^8-2*x^6+2*x^2-1;
8 6 2
c := x - 2*x + 2*x - 1
%square_free(a,x);
%eval_sq_free(ws,x);
% hr example
pu:=441*x^7+780*x^6-2861*x^5+4085*x^4+7695*x^3+3713*x^2-43253*x+24500;
7 6 5 4 3 2
pu := 441*x + 780*x - 2861*x + 4085*x + 7695*x + 3713*x - 43253*x + 24500
qu:=9*x^6+6*x^5-65*x^4+20*x^3+135*x^2-154*x+49;
6 5 4 3 2
qu := 9*x + 6*x - 65*x + 20*x + 135*x - 154*x + 49
%makemon(p,q,x);
%pf(pu/qu,x);
%trst hr;
k:=36*x^6+126*x^5+183*x^4+(13807/6)*x^3-407*x^2-(3242/5)*x+(3044/15);
6 5 4 3 2
1080*x + 3780*x + 5490*x + 69035*x - 12210*x - 19452*x + 6088
k := --------------------------------------------------------------------
30
l:=(x^2+(7/6)*x+(1/3))^2*(x-(2/5))^3;
7 6 5 4 3 2
4500*x + 5100*x - 1315*x - 2698*x + 8*x + 496*x + 16*x - 32
l := -------------------------------------------------------------------
4500
%trst hr;
ratint(k,l,x);
5271 3 39547 2 31018 7142
------*(x + -------*x - -------*x + -------)
5 52710 26355 26355
{------------------------------------------------,
4 11 3 11 2 2 4
x + ----*x - ----*x - ----*x + ----
30 25 25 75
37451 2 91125 2 128000 1
-------*(log(x - ---) + -------*log(x + ---) - --------*log(x + ---))}
16 5 37451 3 37451 2
ratint(exp1,exp2,x);
49 6 226 5 268 4 1608 3 6011 2 536 256
----*(x + -----*x - -----*x - ------*x + ------*x + -----*x - -----)
2 147 49 49 147 21 9
{---------------------------------------------------------------------------,
4 2 3 2 7
x - ---*x - 4*x + 6*x - ---
3 3
0}
ratint(1,x^2,x);
- 1
{------,0}
x
ratint(1,x^2+1,x);
*** Domain mode rational changed to arnum
2 1
{0,log_sum(beta,beta + ---,0,log(2*beta*x - 1)*beta)}
4
ratint(1,x^3+x+1,x);
*** Domain mode rational changed to arnum
{0,
3 3 1
log_sum(beta,beta - ----*beta - ----,0,
31 31
62 2 31 4
log( - ----*beta + ----*beta + x + ---)*beta)}
9 9 9
ratint(1,x^5+1,x);
*** Domain mode rational changed to arnum
{0,
1
---*(log(x + 1) + 5*log_sum(beta,
5
4 1 3 1 2 1 1
beta + ---*beta + ----*beta + -----*beta + -----,0,
5 25 125 625
log(5*beta + x)*beta))}
end;
Time for test: 50 ms, plus GC time: 20 ms