# generic 1-d problem with a few parameters
f(t,y)=-t*t/((y+2)*(y-3))
s'=dir
y'=f(s,y)*dir
par dir=1,a=0,b=0,c=0,d=0
@ xlo=-5.1,ylo=-5.1,yhi=5.1,xhi=5.1
@ xp=s,yp=y
@ meth=qualrk,tol=1e-7
done