[pso1@physics assg3]$ Eigen
Choose one: [0] Even state [1] Odd State
0
Please input initial guess for eigen-energy
1.4
After 4 Newton's Step, the estimated eigenenergy is     1.40721472477016
[pso1@physics assg3]$ Eigen
Choose one: [0] Even state [1] Odd State
0
Please input initial guess for eigen-energy
9.999
After 6 Newton's Step, the estimated eigenenergy is     9.99598073754667
[pso1@physics assg3]$ Eigen
Choose one: [0] Even state [1] Odd State
1
Please input initial guess for eigen-energy
5
After 5 Newton's Step, the estimated eigenenergy is     5.37580591367022