Recent content by posuchmex

i can't find 4x4 this matrix can you show me one please

our teacher said there are some without zeros

any ideas please?

Hello, how to find matrix 4x4 which only contains whole numbers and has inverse matrix with whole numbers only aswell? Is there algorithm to find such matrix of n*n? Thanks.

Hello, I tried to figure out what is the maximum count of arithmetic operation (*,:,+,-) need for gauss elimination and gauss-jordan elimination, but can not get it right. what I get from wikipedia is but I don't understand how to get to this result. Thanks for any help.