06-82.txt

matlab7入门教程

例6-82  使用nlparci函数求非线性模型的参数估计的置信区间。
>>load reaction
>>[beta,resids,J] = nlinfit(reactants,rate,'hougen',beta)
beta =
    1.2526
    0.0628
    0.0400
    0.1124
    1.1914
resids =
    0.1321
   -0.1642
   -0.0909
    0.0310
    0.1142
    0.0498
   -0.0262
    0.3115
   -0.0292
    0.1096
    0.0716
   -0.1501
   -0.3026
J =
    6.8739  -90.6536  -57.8640   -1.9288    0.1614
    3.4454  -48.5357  -13.6240   -1.7030    0.3034
    5.3563  -41.2099  -26.3042  -10.5217    1.5095
    1.6950    0.1091    0.0186    0.0279    1.7913
    2.2967  -35.5658   -6.0537   -0.7567    0.2023
   11.8670  -89.5655 -170.1745   -8.9566    0.4400
    4.4973  -14.4262  -11.5409   -9.3770    2.5744
    4.1831  -41.7896  -16.8937   -5.7794    1.0082
   11.8286  -51.3721 -154.1164  -27.7410    1.5001
    9.1514  -25.5948  -76.7844  -30.7138    2.5790
    3.3373    0.0900    0.0720    0.1080    3.5269
    9.3663 -102.0611 -107.4327   -3.5811    0.2200
    4.7512  -24.4631  -16.3087  -10.3002    2.1141
>>ci = nlparci(beta,resids,J)
ci =
   -0.7467    3.2519
   -0.0377    0.1632
   -0.0312    0.1113
   -0.0609    0.2857
   -0.7381    3.1208
>>