[beginarrayl 1&2&34&5&6endarray]

常见问题解答

• 求该行列式的值 \(\left[\begin{array}{l} {1}&{2}&{3}\\{4}&{5}&{6}\end{array}\right]\)

  

  $$\text{未定义}$$

• 求逆矩阵 \(\left[\begin{array}{l} {1}&{2}&{3}\\{4}&{5}&{6}\end{array}\right]\)

  

  $$\text{未定义}$$

• 求矩阵转置 \(\left[\begin{array}{l} {1}&{2}&{3}\\{4}&{5}&{6}\end{array}\right]\)

  

  $$\left[\begin{array}{ll}1& 4\\ 2& 5\\ 3& 6\end{array}\right]$$

• 求行梯形形式 \(\left[\begin{array}{l} {1}&{2}&{3}\\{4}&{5}&{6}\end{array}\right]\)

  

  $$\left[\begin{array}{lll}1& 2& 3\\ 0& -3& -6\end{array}\right]$$

• 求简化的行梯形形式 \(\left[\begin{array}{l} {1}&{2}&{3}\\{4}&{5}&{6}\end{array}\right]\)

  

  $$\left[\begin{array}{lll}1& 0& -1\\ 0& 1& 2\end{array}\right]$$