<prompt> Kokotoa beginpmatrix 1 0 1 1 endpmatrix2018.  <response>: Kwa ujumla,anzapmatrix 1 0 a 1 mwishopmatrix anzapmatrix 1 0 b 1 mwishopmatrix anzapmatrix 1 0 a b 1 mwishopmatrix,hivyoanzapmatrix 1 0 1 1 mwishopmatrix2018 underbraceanzapmatrix 1 0 1 1 mwishopmatrix anzapmatrix 1 0 1 1 mwishopmatrix dotsm anzapmatrix 1 0 1 1 endpmatrix_text2018 matrices anzapmatrix 1 0 2018 1 mwishopmatrix. 