各位大侠好,我刚学matlab遇到一点初级问题,向大家求教,希望能不吝赐教,谢谢!
两组数据,用cftool拟合后 发现拟合出来的图不能编辑,也不能把sse r-sqeuar 表明在图上,这样的图paper里不能用,所以我想从新画一张图,既有散点图,又有cftool拟合出的幂函数和指数函数光滑曲线,所以还请大家给一下指教,程序是怎么写的,谢谢! 数据和函数如下:
x=[46.2
70.791
129.032
109.269
41.187
84.651
108.623
50.597
50.045
71.429
48.512
77.2
108.606
74.229
66.894
71.694
99.695
96.74
82.468
73.295
104.184
121.892
146.284
104.499
108.029
70.656
48.177
25.629
18.61
60.851
121.556
143.402
80.36
83.335
84.88
84.805
82.829
41.997
16.475
68.21
60.092
40.514
47.932
24.523
43.472
62.769
85.917
33.869
68.992
83.461
106.86
85.014
60.693
77.969
81.019
70.418
35.851
42.911
43.143
48.3
61.085
102.365
93.053
101.336
39.367
55.677
36.733
67.844
62.547
78.677
44.501
79.699
101.415
64.797
74.911
61.103
38.68
61.425
54.509
44.575
30.999
23.034
33.762
29.919
20.999
97.01300143
123.7773707
108.9590293
38.96822357
91.67821714
105.6807493
97.04658214
105.3858279
57.07246071
27.068595
91.23673286
72.77633143
55.48264714
78.16265786
99.564
102.3645086
94.62552643
70.78993714
89.16327214
76.43757429
42.79575857
57.04881
75.77183786
94.45334786
79.93537929
49.285605
112.5191164
147.7422279
181.1650907
144.4209579
108.9621257
78.70950857
27.74894571
57.51020357
19.88877643
81.26875071
59.83035643
77.82678643
90.45089357
61.14821357
32.34943714
49.73120571
62.04566143
33.29528357
48.19669929
64.03074214
105.6640007
107.3213314
110.86152
41.13058071
21.48150643
28.458645
6.498475714
9.969289286
19.66288071
43.91388
53.16073286
49.92772071
45.34210071
58.64150357
53.28725143
42.50658
89.12211643
66.96903
49.71882429
40.40213786
20.05909071
27.26423786
57.42175714
61.33070786
57.936435
45.64051286
34.45632429
31.10049429
45.74870571
63.41204571
106.0300007
98.15455286
83.41375071
66.69633857
64.89241071
86.469375
75.25714286
55.07642786
46.45348286
26.82473143
52.43580429
45.40160786
36.82196357
81.22919571
41.51866071
76.42053643
73.208
118.4942314
151.5238393
95.09883857
27.28401857
83.44633929
73.80455357
89.664465
56.04107143
37.831875
70.55857071
55.64259
46.33598143
34.61267786
17.86714286
20.25705429
41.85499929
59.63464286
16.895
16.57008857
24.80767714
47.81096357
55.86742071
18.55203
21.59063786
0.889832143
14.26721357
5.95683
7.771285714
12.09274286
18.41140929
29.86214143
23.11693714
20.82366214
14.50919357
14.72558786
17.41440643
];
y=[127.3747779
241.8842636
187.8238843
70.78337143
133.3888393
176.336385
84.253125
93.57912857
146.6133921
70.93995643
149.1419636
206.7838179
106.7185264
96.38683071
118.7492186
157.0127229
158.57634
143.4257143
133.9491064
155.1950893
202.3814743
214.7479907
164.7160714
196.3154014
110.7649564
81.81049071
37.66763357
34.48571357
118.6787957
223.814955
239.5400679
133.5093107
151.0661829
156.5199771
154.11183
153.3419636
64.24698643
32.48538
127.4473221
123.0484371
60.01964357
84.69252214
42.73995643
83.23593857
134.15625
168.7645093
49.32165214
121.3734879
171.5341521
166.8890636
144.3579236
114.0935271
156.4756693
159.5370536
145.0978093
55.19676429
73.50189643
91.15022357
89.91964286
114.780135
174.9564729
153.4789971
167.0089286
55.28348143
116.9497779
68.20982143
100.8962057
115.3984371
158.2888393
87.95089286
146.0368307
194.61384
108.8348207
153.4944193
123.4765629
70.79151857
123.6495536
119.4508929
72.01613143
45.63727714
34.56808071
61.27455429
60.55357071
49.03683
87.25111714
212.9333036
162.1749986
47.86536429
164.4380957
179.5209129
191.928465
147.700905
96.08850429
49.78603071
159.3955136
127.3240414
86.4699
156.5284393
187.752465
174.6513043
171.9278593
91.18924071
194.78436
142.4280129
77.97321429
113.18058
134.4866079
171.7727679
156.0997779
107.5703121
254.9854157
262.1820921
314.0441164
237.4512643
217.6992193
132.1636821
47.10110143
104.4696429
33.39107143
144.9642857
103.3741071
137.4401786
161.0571429
84.975
75.80881714
104.771205
129.9391736
64.42511143
97.78816929
121.7664064
189.726675
190.309785
160.3398064
80.173215
56.08292357
47.131965
12.38160643
22.34352643
46.728795
99.69899571
113.04783
112.456125
95.02299214
124.5747771
104.2227686
76.24575857
184.92342
130.9160186
73.41618214
79.74564643
33.17745643
61.51747714
120.49788
108.0471943
125.6186379
98.73214286
44.32153929
70.023885
111.0388179
124.3303564
103.9831479
205.6658036
138.0629464
113.0761607
93.36348214
159.894375
120.7644643
76.63714286
87.78348214
56.68285714
87.03267857
75.29973214
43.72633929
175.5275893
74.18544643
153.1317857
52.90205357
172.3971429
272.0220536
171.4896429
52.56830357
146.8422321
129.4566964
131.4541071
81.47598214
64.141875
90.684375
92.03758929
83.75196429
50.019375
21.99616071
28.18339286
90.65758929
69.28741071
67.69660714
29.27892857
49.887495
92.75985214
97.75996929
28.37333143
46.39645929
51.02594571
36.39134571
15.11450571
14.75988857
28.066485
42.46442357
64.33939286
47.37338786
44.234835
33.96233357
27.77553857
41.82827786
73.08186214
];
幂函数:y=12.555*x^0.5139
指数函数:y=110.43*exp(-0.0267*x)
如果觉得《matlab曲线拟合图像 画图求助!matlab曲线拟合 谢谢!》对你有帮助,请点赞、收藏,并留下你的观点哦!