>From the ask.sagemath.org answers: [m.minors(k) for k in range(5)]
is pretty close to what you want: you just have to flatten the list. On Monday, March 20, 2023 at 3:09:07 PM UTC-7 William Stein wrote: > This is > > > https://ask.sagemath.org/question/41136/how-to-find-all-the-sub-square-matrices-of-an-4x4-matrix-and-all-their-determinants/ > > -- William > > PS: For fun, I also asked a robot from the future and it said to use the > following code, but unfortunately "submatrix_iterator" doesn't exist yet: > > F = FiniteField(17) > A = matrix(F, 4, [1,2,3,4, 5,6,7,8, 9,10,11,12, 13,14,15,16]) # replace > the elements of the matrix with your desired matrix > > dets = [] > for i in range(1,5): > for submatrix in A.submatrix_iterator(i): > if submatrix.is_square(): > dets.append(submatrix.det()) > > print(dets) > > > On Mon, Mar 20, 2023 at 2:36 PM GUSTAVO TERRA BASTOS <gtba...@ufsj.edu.br> > wrote: > >> Hi all. >> >> Is there any specific comand to compute the determinants of all square >> submatrices of a given 4x4 - matrix over finite fields? >> >> best regards >> >> Gustavo >> >> >> >> -- >> 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...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/sage-support/97ff54ff-8569-497a-9100-05ff2ae2cf9an%40googlegroups.com >> >> <https://groups.google.com/d/msgid/sage-support/97ff54ff-8569-497a-9100-05ff2ae2cf9an%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > > > -- > William (http://wstein.org) > -- 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/99c17f96-9deb-4b83-bf9d-c5183ec6eaafn%40googlegroups.com.
