function1.gpi

set zrange[0:0.65]

psi(x,y)=(2./pi)*(\
    cos(x)  *cos(y)*exp(-2*i*t)         		*sqrt(.2)+\
    sin(2*x)*cos(y)*exp(-5*i*t)         		*sqrt(.4)+\
    cos(x)*sin(2*y)*exp(-5*i*t)         		*sqrt(.4)\
)