短語(yǔ)詞組短語(yǔ)reduced row echelon form 規(guī)范的階梯形矩陣;則稱為簡(jiǎn)化列梯形矩陣;梯形式;化簡(jiǎn)后的行階梯形矩陣reduced row -echelon form 列簡(jiǎn)梯形形式;簡(jiǎn)約列梯形 返回 reduced echelon form