Hi everyone, For a part of my project I tried using pattern matching with .match and Wild, as described here http://docs.sympy.org/0.7.0/tutorial.html#pattern-matching, to match some instances of a class I am working on, however it does not currently work as I'd hoped in trying to match objects of CG, which subclasses Expr. For example, I'd like to be able to get >>> x = Wild('x') >>> (CG(1,1,1,1,1,1)).match(CG(x,1,1,1,1,1) {x: 1} However it currently gives None. I assume I need to implement some function (maybe matches or _matches), but if someone knows a bit more about pattern matching that could advise me here, I'd appreciate it. Thanks.
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