A Computational Revisit of the Variational Principle: Estimating Ground State Energies of the 1D Harmonic Oscillator via Python. Sch. Jo. Phs. Ed [Internet]. 2025 Jun. 5 [cited 2026 May 25];6(2):43-6. Available from: https://cahaya-ic.com/index.php/SJPE/article/view/1680