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: Hello CRGreathouse! I was the person who added both these examples. At the time of adding it was true (we have tested almost all available CAS's). However, as you wrote, now the second example can be solved by SymPy. That's very interesting. I do not trust that any software has implemented the Risch algorighm in full now. But I will test current version of SymPy and try to give you better example. Thank you.[[User:Gaz v pol|Gaz v pol]] ([[User talk:Gaz v pol|talk]]) 22:28, 17 May 2009 (UTC)
:: I'm almost certain that SymPy doesn't have a full implementation of the Risch algorithm -- and as you can see in my page or try yourself, it can't handle your first example.
:: Would you give the results (here or on my page) for Maple and MathCad? Those two seem like the only other ones with a reasonable chance at solving hard integrals.
:: [[User:CRGreathouse|CRGreathouse]]<small> ([[User talk:CRGreathouse|t]] | [[Special:Contributions/CRGreathouse|c]])</small> 00:56, 18 May 2009 (UTC)
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