$hessian                                                                        
        0.6552096211  -0.0000000008  -0.0000872763  -0.3904925563   0.0000020817
        0.1604388280  -0.1323569730   0.1489168474  -0.0801753086  -0.1323600918
       -0.1489189282  -0.0801762431
       -0.0000000008   0.6550702029  -0.0000007971   0.0000020052  -0.0463822075
       -0.0000008744   0.1489206727  -0.3043451388   0.1388769082  -0.1489226770
       -0.3043428566  -0.1388752367
       -0.0000872763  -0.0000007971   0.1983456826   0.1166374660  -0.0000006446
       -0.0661371711  -0.0582748258   0.1009438814  -0.0661046744  -0.0582753639
       -0.1009424398  -0.0661038371
       -0.3904925563   0.0000020052   0.1166374660   0.4341266273  -0.0000022357
       -0.1344811302  -0.0218168626   0.0014159200   0.0089217781  -0.0218172084
       -0.0014156895   0.0089218861
        0.0000020817  -0.0463822075  -0.0000006446  -0.0000022357   0.0519227022
        0.0000007203   0.0315742503  -0.0027704322  -0.0098332971  -0.0315740963
       -0.0027700625   0.0098332213
        0.1604388280  -0.0000008744  -0.0661371711  -0.1344811302   0.0000007203
        0.0613248721  -0.0129788894   0.0028103323   0.0024061618  -0.0129788083
       -0.0028101782   0.0024061372
       -0.1323569730   0.1489206727  -0.0582748258  -0.0218168626   0.0315742503
       -0.0129788894   0.1474139872  -0.1654136528   0.0671981891   0.0067598484
       -0.0150812702   0.0040555261
        0.1489168474  -0.3043451388   0.1009438814   0.0014159200  -0.0027704322
        0.0028103323  -0.1654136528   0.3384492879  -0.1163989501   0.0150808854
       -0.0313337169   0.0126447364
       -0.0801753086   0.1388769082  -0.0661046744   0.0089217781  -0.0098332971
        0.0024061618   0.0671981891  -0.1163989501   0.0612914390   0.0040553413
       -0.0126446609   0.0024070736
       -0.1323600918  -0.1489226770  -0.0582753639  -0.0218172084  -0.0315740963
       -0.0129788083   0.0067598484   0.0150808854   0.0040553413   0.1474174518
        0.1654158879   0.0671988309
       -0.1489189282  -0.3043428566  -0.1009424398  -0.0014156895  -0.0027700625
       -0.0028101782  -0.0150812702  -0.0313337169  -0.0126446609   0.1654158879
        0.3384466360   0.1163972790
       -0.0801762431  -0.1388752367  -0.0661038371   0.0089218861   0.0098332213
        0.0024061372   0.0040555261   0.0126447364   0.0024070736   0.0671988309
        0.1163972790   0.0612906262
