qqq

https://www.pks.mpg.de/~haque/maynooth_MP363/MP363_2018s1_januaryexamplusSolns.pdf

https://physlab.lums.edu.pk/images/2/2c/HW3-QM2-solution1n.pdf

https://www.pks.mpg.de/~haque/maynooth_MP363/

https://www.physik.uni-siegen.de/nano-optics/education/teaching/nanoscale-quantum-optics/solution-5-en.pdf

https://github.com/microsoft/Quantum/blob/main/samples/algorithms/variational-algorithms/Variational%20Quantum%20Algorithms.ipynb

https://github.com/zhenghh04/QCWorkshop/blob/master/IntroQM/QCWorkshopANL18.ipynb

https://github.com/PennyLaneAI/generative-quantum-states/tree/main

https://github.com/XanaduAI/hardness-spin-dynamics/blob/main/src/ham_utils.hpp

https://people.nscl.msu.edu/~pratt/phy851/presentations/jammooa_tsantiri.pdf

https://bohr.physics.berkeley.edu/classes/221/notes/variational.pdf

https://bingweb.binghamton.edu/~suzuki/QM_Graduate/Variational_principle.pdf

https://homepages.iitb.ac.in/~shukla/qm2_ts_3_soln.pdf

https://arxiv.org/pdf/1812.08767.pdf

https://d-nb.info/1255977884/34

http://theory.caltech.edu/~preskill/ph12b/12b-final-10-soln.pdf

https://www.gc.cuny.edu/sites/default/files/2023-07/SOLUTIONS-QUANTUM-MECHANICS-AUG-2020-THRU-SPRING-2023-DM-FINAL.pdf