# cool.ode
# this is a rather complex planar system
# plot direction fields with a grid of 24
# try to get all the connections between saddle points
x'=y*cos(x^2-y^2+1)
y'=-x*cos(x^2+y^2)
@ xp=x,yp=y, xlo=-2.25,xhi=2.25,ylo=-2.25,yhi=2.25
done