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2017-11-29 02:04:35 +0100 | commented answer | matrix with fractional number Thank you very much. I see the problem and I change R to ZZ in my question. |
2017-11-28 18:04:36 +0100 | received badge | ● Student (source) |
2017-11-28 18:00:26 +0100 | asked a question | matrix with fractional number m = matrix(ZZ, 3, 3, lambda i, j: 1/(i + j) ); m Sage tells me the following: Traceback (click to the left of this block for traceback) ... ZeroDivisionError: rational division by zero why? it really confused me. |