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2014-01-19 06:33:02 +0200 | commented question | Numeric evaluation of exp(x^2) in a sum TypeError Interestingly, calling n on the symbolic answer works: sage: n(sum(e^(i^2), i, -1, 1)) 6.43656365691809 |
2014-01-19 06:29:40 +0200 | asked a question | Numeric evaluation of exp(x^2) in a sum TypeError Define simple function of one variable with sum: OK, now change the argument of exponent to i^2: Why is that and what am I doing wrong? |