output.log

mat_23: 
1 2 3
4 5 6
print mat_23 through 'for-loop':
1 2 3 
4 5 6 
vec_3: 
3
2
1
mat_31: 
4
5
6
result for 'mat_23 * vec_3':
10 28
result for 'mat_23 * mat_31':
32 77
mat_33 [random]:
 0.680375   0.59688 -0.329554
-0.211234  0.823295  0.536459
 0.566198 -0.604897 -0.444451
mat_33 [trans]:
 0.680375 -0.211234  0.566198
  0.59688  0.823295 -0.604897
-0.329554  0.536459 -0.444451
mat_33 [sum]:
1.61307
mat_33 [trace]:
1.05922
mat_33 [times 10]:
 6.80375   5.9688 -3.29554
-2.11234  8.23295  5.36459
 5.66198 -6.04897 -4.44451
mat_33 [inv]:
-0.198521   2.22739    2.8357
  1.00605 -0.555135  -1.41603
 -1.62213   3.59308   3.28973
mat_33 [det]:
0.208598
eigenvalues:
0.0242899
 0.992154
  1.80558
eigenvectors:
-0.549013 -0.735943  0.396198
 0.253452 -0.598296 -0.760134
-0.796459  0.316906 -0.514998
mat_nn:
0.0136946 0.0400457
0.0400457  0.139564
v_n:0.0268018  0.904459
x: -105.585  36.7766
{cost time for 'mat_nn * v_n': 0.134178(ms)}
x: -105.585  36.7766
{cost time for 'mat_nn * v_n': 0.207775(ms)}
x: -105.585  36.7766
{cost time for 'mat_nn * v_n': 0.132776(ms)}