y transpose
      3.00      3.00      5.00      7.00      9.00

A transpose
      1.00      1.00      1.00      1.00      1.00
      1.00      2.00      3.00      4.00      5.00
      1.00      0.00      1.00      0.00      1.00
      0.00      0.00      0.00      1.00      1.00
for iter = 0, 4
x    0.43457383  1.56124675  0.27362058  0.25752524
res  0.73055887 -0.55706739 -0.39193439  0.06291389  0.22804642
x    0.51313990  1.38677311  0.87905097  0.56870568
res  0.22103608 -0.28668615 -0.55250990  0.37106201  0.10523783
x    0.39144850  1.24044561  1.08974123  1.46199620
res  0.27836478  0.12766024 -0.20252618  0.18477297 -0.14541389
x    1.00001717  1.00006616  1.00001156  2.00000978
res -0.00009474 -0.00014952 -0.00022683 -0.00029133 -0.00036907
x    0.99999994  1.00000000  1.00000036  2.00000000
res -0.00000013 -0.00000003  0.00000007  0.00000018 -0.00000015