这种矩阵叫什么呢？

10000001000011001001000110110011001011000111101101
01000000000011101000011101111011101100011100010000
00100001000101101011000000110100000110101011111001
00010000000110010110100001010011001111111101100001
00001001000110111110011101100100011100101011110101
00000100000011100011111011010100100110100010001100
00000010000101010011100011111001101000101101010000
00000000100011111010101000011101110110010110100111
00000000010010000100100100101000001011100010100010
00000000001010010110111111110110101001011111110111

第八列出现了自由元，其他的列是一个上三角。