农作物施肥效果分析(3)

六、附录

1.土豆对作物残差图

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2.对生菜的产量影响拟合二次函数图像。

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3.模型二拟合函数代码

>> [beta,r,j]=nlinfit(yy,pp,@zuoye1,a)

警告: The Jacobian at the solution is ill-conditioned, and some model parameters may not be estimated well (they are not identifiable). Use caution in making predictions.

> In nlinfit (line 376)

beta =

1 至 8 列

-3.2578 8.2752 15.1518 -1.7121 2.7090 -0.6781 2.7913 2.1748

9 至 10 列

1.7440 0.0198

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r =

0.1512 0.2391 -0.5935 1.3687 -0.7460 -0.7173 0.6986 1.2845 2.1103 -1.6180 0.9256 -1.9855 -0.1868 0.1948 1.9028 -1.1154 -1.1914 -0.7053 -2.1171 1.4402 -5.5235 -0.4569 4.1101 5.0595 2.6166 -1.9939 -4.0214 -0.1360 -1.6176 2.6238 j =

1 至 8 列

0 0.1156 0.4489 1.0201 1.8225 4.0804

0 1.0000 0.3400 1.0000 0.6700 1.0000 1.0100 1.0000 1.3500 1.0000 2.0200 1.0000 3.8416 1.9600 3.8416 1.9600 3.8416 1.9600 3.8416 1.9600 3.8416 1.9600 3.8416 1.9600 13 / 16

13.8384 13.8384 13.8384 13.8384 13.8384 13.8384 3.7200 0 3.7200 0.6664 3.7200 1.3132 3.7200 1.9796 3.7200 2.6460 3.7200 3.9592

6.7081 2.5900 1.0000 3.8416 1.9600 13.8384 3.7200 5.0764 11.2896 3.3600 1.0000 3.8416 1.9600 13.8384 3.7200 6.5856 16.3216 4.0400 1.0000 3.8416 1.9600 13.8384 3.7200 7.9184 22.1841 4.7100 1.0000 3.8416 1.9600 13.8384 3.7200 9.2316 6.7081 2.5900 1.0000 0 0 13.8384 3.7200 0 6.7081 2.5900 1.0000 0.0576 0.2400 13.8384 3.7200 0.6216 6.7081 2.5900 1.0000 0.2401 0.4900 13.8384 3.7200 1.2691 6.7081 2.5900 1.0000 0.5329 0.7300 13.8384 3.7200 1.8907 6.7081 2.5900 1.0000 0.9604 0.9800 13.8384 3.7200 2.5382 6.7081 2.5900 6.7081 2.5900 6.7081 2.5900 6.7081 2.5900 6.7081 2.5900 6.7081 2.5900 6.7081 2.5900 6.7081 2.5900 6.7081 2.5900 6.7081 2.5900 6.7081 2.5900 6.7081 2.5900 6.7081 2.5900 6.7081 2.5900 6.7081 2.5900

9 至 10 列

0 7.2912 1.2648 7.2912 2.4924 7.2912 3.7572 7.2912 5.0220 7.2912 7.5144 7.2912 9.6348 7.2912 12.4992 7.2912 15.0288 7.2912 17.5212 7.2912 9.6348 0 9.6348 0.8928 9.6348 1.8228 9.6348 2.7156 9.6348 3.6456 9.6348 5.4684 9.6348 7.2912

1.0000 2.1609 1.4700 1.0000 3.8416 1.9600 1.0000 6.0025 2.4500 1.0000 8.6436 2.9400 1.0000 11.6964 3.4200 1.0000 3.8416 1.9600 1.0000 3.8416 1.9600 1.0000 3.8416 1.9600 1.0000 3.8416 1.9600 1.0000 3.8416 1.9600 1.0000 3.8416 1.9600 1.0000 3.8416 1.9600 1.0000 3.8416 1.9600 1.0000 3.8416 1.9600 1.0000 3.8416 1.9600 14 / 16

13.8384 13.8384 13.8384 13.8384 13.8384 0 0.2209 0.8649 1.9600 3.4596 7.7841 13.8384 21.6225 31.1364 42.3801 3.7200 3.8073 3.7200 5.0764 3.7200 6.3455 3.7200 7.6146 3.7200 8.8578 0 5.0764 0.4700 5.0764 0.9300 5.0764 1.4000 5.0764 1.8600 5.0764 2.7900 5.0764 3.7200 5.0764 4.6500 5.0764 5.5800 5.0764 6.5100 5.0764 9.6348 9.1140 9.6348 10.9368 9.6348 12.7224 0 0 1.2173 0.9212 2.4087 1.8228 3.6260 2.7440 4.8174 3.6456 7.2261 5.4684 9.6348 7.2912 12.0435 9.1140 14.4522 10.9368 16.8609 12.7596

%以上为拟合函数代码

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