高等数学：3-0 行阶梯形矩阵VIP免费

00000352002017064762A2)每个台阶只有一行；行阶梯形矩阵矩阵A就是一个行阶梯形矩阵特点：可划出一条阶梯线:3)阶梯线的竖线后面的第一个元素为非零元，也叫做非零行的非零首元．1)阶梯线的下方全为零；例如都是4×5行阶梯形矩阵4544353433252423221514131211000000aaaaaaaaaaaaaa00000000000252423221514131211aaaaaaaaa0000000000000001514131211aaaaa00000000353433252423221514131211aaaaaaaaaaaa0000000003534252423221514131211aaaaaaaaaaa000000000035342524231514131211aaaaaaaaaa…000000000035252423221514131211aaaaaaaaaa000003520020170647620000032000331104715300000301003101041001B行阶梯形矩阵B还称为行最简形矩阵，即非零行的非零首元为1，而且这些非零首元所在的列的其它元素都为零.例如都是4×5行最简形矩阵453525151000010000100001aaaa00000000001001252423151413aaaaaa000000000000000115141312aaaa00000100010001353425241514aaaaaa0000010000100013525231513aaaaa000001000010000135251512aaaa…000001000001000124231413aaaa00000351002001064001000003100030110401010000000000000001000100011,21,211,1rnrrnrnrcccccc一般行最简形矩阵不妨设为