Dear Jianrong, In case of GF(2), each diagonalizable square matrix represents a projection. Thus you just need to check whether the matrix is equal to its square. HTH, Dmitrii
On 1 January 2013 21:11, 李建荣 <l...@lzu.edu.cn> wrote: > Dear Forum, > > > How to check that whether a matrix over GF(2) is diagonalizable or not using > GAP? Is there some function in GAP which can check that whether a matrix over > GF(2) is diagonalizable or not? I only find the function DiagonalizeMatrix in > GAP. Thank you very much. > > With best wishes, > Jianrong. > > _______________________________________________ > Forum mailing list > Forum@mail.gap-system.org > http://mail.gap-system.org/mailman/listinfo/forum CONFIDENTIALITY:This email is intended solely for the person(s) named and may be confidential and/or privileged.If you are not the intended recipient,please delete it,notify us and do not copy,use,or disclose its content. Towards A Sustainable Earth:Print Only When Necessary.Thank you. _______________________________________________ Forum mailing list Forum@mail.gap-system.org http://mail.gap-system.org/mailman/listinfo/forum
