Feb-12-2019, 07:04 AM
Then the 'Relational' in your error must refer to the elements of the set: x1 and x2. They are apparently not sortable, although I would expect a different error. It doesn't look to be a solvable problem, although I must admit that I have no experience with the sympy module.
Craig "Ichabod" O'Brien - xenomind.com
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