matrixqr.dat

《计算机常用数值计算算法与程序 C++版》

matA : 
              1               1              -1 
              2               1               0 
              1              -1               0 
             -1               2               1 

matQ : 
      -0.377964       -0.377964        0.755929        0.377964 
      -0.755929       -0.377964       -0.377964       -0.377964 
      -0.377964        0.377964       -0.377964        0.755929 
       0.377964       -0.755929       -0.377964        0.377964 

matR : 
       -2.64575   -2.22045e-016        0.755929 
              0        -2.64575       -0.377964 
              0               0        -1.13389 
              0               0               0