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2018-10-07 00:03:05 -0600 | commented answer | Characteristic polynomial of symbolic matrix of size 7 I added information in the original post. I tried to install the 8.4 beta7 version but it failed. |

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2018-10-06 05:56:11 -0600 | asked a question | Characteristic polynomial of symbolic matrix of size 7 There is a problem when computing the characteristic polynomial of a matrix of size greater than 7 containing a large number of symbolic variables. The value it should print is 7. Over $\mathbb{Z}[a_0,a_1,\dots]$, the result is correct. I use Sage 8.3 (Release Date: 2018-08-03), installed from the official repository of Archlinux. The bug is present both in command line and with |

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