Summations can really get complicated - esp. when you have convoluted n-fold summations with all kinds of different indices.
My question: Is there some software (or add-on) with which you can find and prove (complicated) summation identities?
2026-03-28 19:30:09.1774726209
Software for proving sum identites
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Fabrizio Caruso implemented "Gosper's and Zeilberger's algorithm for proving and finding indefinite and definite hypergeometric summation identities", as a free and open source package for use with Maxima. You can get it here.