xmin = -3
xmax = 3
Nsteps = 200
L = xmax - xmin
m = 0.5
E0 = 20
b_position = PositionBasis(xmin, xmax, Nsteps)
xpoints = samplepoints(b_position)
x = position(b_position)
p = momentum(b_position)
potential = x → E0 + x^4 - 8*x^2
V = potentialoperator(b_position, potential)
Hkin = p^2/2m
H = Hkin + dense(V)
Julia小白
程序后4行求解释?