<prompt> Kokotoa anzapmatrix 4 5 -1 mwishopmatrix nyakati anzapmatrix 4 5 -1 mwishopmatrix.  <response>: Tuna hiyoanzapmatrix 4 5 -1 mwishopmatrix nyakati anzapmatrix 4 5 -1 mwishopmatrix anzapmatrix 5 -1 - 5-1 4-1 - 4-1 45 - 45 mwishopmatrix startpmatrix 0 0 0 endpmatrix.Kwa ujumla zaidi, bidhaa mtambuka ya vekta yoyote yenyewe ni vekta sifuri. 