The time derivative (v) of position of a particle of mass m subjected to potential U, is computed from the conservation of energy theorem:
E = 0.5*m*v^2+U;
For different range of energies, the phase portrait is displayed, that shows the behavior of the particle.
Praveen Ranganath (2022). Phase Portrait of a given Potential (https://www.mathworks.com/matlabcentral/fileexchange/47276-phase-portrait-of-a-given-potential), MATLAB Central File Exchange. Retrieved .
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