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Hello, how to build a phase diagram (p versus q) with the graphs that are generated in the commands? Identical, for example, to the ones that appear when we use the command: ParametricPlot[{Sin[u], Sin[2 u]}, {u, 0, 2 Pi}] H = p^2/2 + (1 -...
Hello, I would like to know how to present in a graphic way the numerical results of the solution of a differential equation that will be solved by the numerical method. &[Wolfram Notebook][1] [1]:...