求助： 有1stOpt4.0的帮忙做个复数拟合吧
Title 拟合;ComplexStr = i;
Parameter A,Rw,Keff,Rpt,Cpt,Rs;
Variable x,y,y;
Function y=Rs+1/((1/Rpt)+i*Cpt*x)+Rw*Sqrt(1/(A*(1+i*x/Keff)))*(Cosh(A*(1+i*x/Keff))/Sinh(A*(1+i*x/Keff)));
Data;
// x yrel yima
96680 10.54 0.06668
81050 10.6 -0.1047
66410 10.69 -0.2834
54690 10.8 -0.4192
45900 10.85 -0.5061
37110 11 -0.6686
31250 11.14 -0.7574
25390 11.28 -0.8415
21480 11.42 -0.904
17580 11.59 -0.9616
14650 11.76 -1.011
11720 11.95 -0.9955
9668 12.17 -1.031
8105 12.35 -1.001
6641 12.48 -1.019
5469 12.65 -0.9133
4590 12.78 -0.8926
3711 12.82 -0.7945
3125 12.99 -0.7668
2539 13.02 -0.6693
2148 13.11 -0.6474
1758 13.14 -0.6119
1465 13.24 -0.6034
1172 13.27 -0.5338
966.8 13.55 -0.4631
810.5 13.6 -0.4313
664.1 13.66 -0.5495
546.9 13.69 -0.4803
459 13.76 -0.5469
371.1 13.68 -0.6101
312.5 13.85 -0.6426
253.9 13.82 -0.6872
214.8 13.92 -0.7588
175.8 13.95 -0.864
146.5 14.09 -0.9724
117.2 14.14 -1.037
97.66 14.46 -1.169
81.38 14.57 -1.307
69.75 14.7 -1.459
57.44 14.84 -1.629
46.5 14.99 -1.814
37.56 15.15 -2.026
31.5 15.34 -2.265
25.7 15.55 -2.538
21.23 15.79 -2.852
17.44 16.06 -3.207
14.36 16.37 -3.61
11.91 16.74 -4.063
9.766 17.21 -4.489
8.071 17.69 -5.074
6.643 18.31 -5.757
5.486 19.03 -6.502
4.542 19.9 -7.315
3.742 21.06 -8.211
3.09 22.25 -9.059
2.55 24.02 -9.91
2.105 25.65 -10.52
1.738 28.43 -10.94
1.434 30.1 -10.88
1.184 31.87 -10.65
0.9766 32.96 -9.832
0.8071 34.38 -9.043
0.6643 35.64 -8.148
0.5486 36.56 -7.209
0.4542 37.38 -6.367
0.3742 37.87 -5.33
0.309 38.23 -4.52
0.255 38.48 -3.811
0.2105 38.64 -3.167
0.1738 38.75 -2.642
0.1434 38.92 -2.224
0.1184 39.03 -1.807
先谢谢啦哎只有1.5版本的 不给力啊
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