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| (2) |
The Liouville ODE has the following symmetries (see dsolve,Lie):
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| (3) |
These symmetries can be tested using symtest
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| (4) |
Knowing two independent symmetries for a second order ODE almost always leads to its answer, as in the following Liouville ODE:
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| (5) |
Implicit and explicit answers for ODEs can be tested using odetest.
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