reduced echelon form

... 缩简关联矩阵 reduce incidence matrix 化简之耶希隆型 reduced Echelon form 降级绝缘基准 reduced insulation level ...

...、镜像变换、旋转变换等)，将生成行列和检验行列变换成既约台形(reduced echelon form)形式的行列。