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Summation bug? (HP-49G, 50g)
01-13-2015, 09:40 PM
Post: #3
RE: Summation bug? (HP-49G, 50g)
It seems the term x^(2*k-1) is evaluated by the sum function as x^(2*k)*x^(-1). This can be seen if you enter the summation alone, leave x undefined and press EVAL.
You end up with terms x^M/(C*x).
After that, numeric evaluation will attempt to do a division by zero, hence your infinite result.
Perhaps if you try a round of symbolic simplification before attempting to do the numeric EVALuation.
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RE: Summation bug? (HP-49G, 50g) - Claudio L. - 01-13-2015 09:40 PM

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