ctest.ref

该程序实现了非线性最小二乘问题和非线性方程组的解法

tcchkder

      fvec

           -1.181606      -1.429655      -1.606344
           -1.745269      -1.840654      -1.921586
           -1.984141      -2.022537      -2.468977
           -2.827562      -3.473582      -4.437612
           -6.047662      -9.267761      -18.91806
      fvecp - fvec

       -7.724666e-09  -3.432405e-09  -2.034843e-10
        2.313685e-09   4.331078e-09   5.984096e-09
        7.363281e-09   8.531471e-09   1.488591e-08
         2.33585e-08   3.522012e-08   5.301255e-08
         8.26666e-08   1.419747e-07    3.19899e-07
      err

           0.1141397     0.09943516     0.09674474
          0.09980447      0.1073116      0.1220445
           0.1526814              1              1
                   1              1              1
                   1              1              1
tchybrd
     final l2 norm of the residuals    1.192636e-08

     number of function evaluations          14

     exit parameter                           1

     final approximate solution

          -0.5706545     -0.6816283     -0.7017325
          -0.7042129      -0.701369     -0.6918656
           -0.665792     -0.5960342     -0.4164121
tchybrd1
     final L2 norm of the residuals    1.192636e-08
     exit parameter                          1
     final approximates solution

          -0.5706545     -0.6816283     -0.7017325
          -0.7042129      -0.701369     -0.6918656
           -0.665792     -0.5960342     -0.4164121
tchybrj
     final l2 norm of the residuals   1.192636e-08

     number of function evaluations        11

     number of jacobian evaluations         1

     exit parameter                         1

     final approximate solution


          -0.5706545     -0.6816283     -0.7017325
          -0.7042129      -0.701369     -0.6918656
           -0.665792     -0.5960342     -0.4164121
tchybrj1
      final l2 norm of the residuals   1.192636e-08

      exit parameter                         1

      final approximate solution

          -0.5706545     -0.6816283     -0.7017325
          -0.7042129      -0.701369     -0.6918656
           -0.665792     -0.5960342     -0.4164121
tclmder
      final l2 norm of the residuals     0.09063596

      number of function evaluations         6

      number of Jacobian evaluations         5

      exit parameter                         1

      final approximate solution

          0.08241058       1.133037       2.343695
      covariance

        0.0001531202    0.002869941   -0.002656662
         0.002869941     0.09480935    -0.09098995
        -0.002656662    -0.09098995     0.08778727
tclmder1
      final l2 norm of the residuals     0.09063596

      exit parameter                         1

      final approximate solution

          0.08241058       1.133037       2.343695
tclmdif
      final l2 norm of the residuals     0.09063596

      number of function evaluations        21

      exit parameter                         1

      final approximate solution

          0.08241058       1.133037       2.343695
      covariance

        0.0001531202    0.002869941   -0.002656662
         0.002869941     0.09480935    -0.09098995
        -0.002656662    -0.09098995     0.08778728
tclmdif1
      FINAL L2 NORM OF THE RESIDUALS      0.0906360

      EXIT PARAMETER                         1

      FINAL APPROXIMATE SOLUTION

       0.0824106      1.1330367      2.3436946
tclmstr
      final L2 norm of the residuals     0.09063596

      number of function evaluations         6

      number of Jacobian evaluations         5

      exit parameter                         1

      final approximate solution

          0.08241058       1.133037       2.343695
tclmstr1
      FINAL L2 NORM OF THE RESIDUALS     0.09063596

      EXIT PARAMETER                         1

      FINAL APPROXIMATE SOLUTION

     0.08241058       1.133037       2.343695