On Wed, Mar 15, 2023 at 8:41 AM Rafael Robles <rafaro...@gmail.com> wrote: > > I have encountered the following bug with version 9.6 of SageMath under > Ubuntu. This works perfectly in SageMath 9.1 > > Example: > > A = matrix(IntegerModRing(2) , 2, 2, [1, 0, 1, 1]) > A.column_space() > > -> The kernel appears to have died. It will restart automatically.
Please report this to Ubuntu. It works on a recent beta: $ ./sage ┌────────────────────────────────────────────────────────────────────┐ │ SageMath version 10.0.beta4, Release Date: 2023-03-12 │ │ Using Python 3.10.10. Type "help()" for help. │ └────────────────────────────────────────────────────────────────────┘ ┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓ ┃ Warning: this is a prerelease version, and it may be unstable. ┃ ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛ sage: A = matrix(IntegerModRing(2) , 2, 2, [1, 0, 1, 1]) ....: A.column_space() Vector space of degree 2 and dimension 2 over Ring of integers modulo 2 Basis matrix: [1 0] [0 1] sage: > > > -- > You received this message because you are subscribed to the Google Groups > "sage-support" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sage-support+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sage-support/c89c284b-a3de-4ac5-8460-66bea16ce7fbn%40googlegroups.com. -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-support/CAAWYfq2edakMvk%3D-Y%3DVw11GgbmHSwvxgodN-eEEsQRKW%3DeXXTw%40mail.gmail.com.