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小木虫论坛-学术科研互动平台 » 计算模拟区 » 仿真模拟 » MATLAB » 【求助】求详细步骤（带解释说明）用matlab拟合log(y)=A*log(x1)+B/x2+C
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rongxue6808

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[交流] 【求助】求详细步骤（带解释说明）用matlab拟合log(y)=A*log(x1)+B/x2+C

请教我同事了，搞定！求详细步骤（带解释说明）拟合log(y)=A*log(x1)+B/x2+C的系数A， B，C
y值如下
9.12191E-10
1.38353E-9
7.61764E-10
1.63296E-9
2.20415E-9
2.47555E-9
1.84673E-9
2.01797E-9
3.38865E-9
-7.40787E-10
1.02995E-9
2.70082E-9
3.71814E-10
1.14224E-9
1.21253E-9
1.78278E-9
1.85319E-9
1.73107E-9
1.60177E-9
2.47234E-9
3.42588E-10
2.01245E-9
1.88237E-9
2.45216E-9
2.21932E-10
2.49148E-9
1.96106E-9
2.83061E-9
5.89974E-9
2.36974E-9
3.04708E-9
3.61644E-9
3.28579E-9
2.55574E-9
5.0251E-9
2.19391E-9
3.66265E-9
2.83198E-9
4.30065E-9
3.36924E-9
5.538E-9
7.00695E-9
6.38291E-9
4.75145E-9
7.91935E-9
1.05875E-8
8.35519E-9
7.42355E-9
9.89202E-9
1.10603E-8
8.32854E-9
1.04966E-8
1.16649E-8
1.1633E-8
1.20011E-8
1.48769E-8
1.37454E-8
1.42123E-8
1.60797E-8
1.54466E-8
1.59143E-8
1.78818E-8
1.90487E-8
2.01166E-8
1.96845E-8
2.25511E-8
2.31183E-8
2.43854E-8
2.54603E-8
2.6126E-8
2.79915E-8
2.98582E-8
2.97246E-8
2.89901E-8
3.21554E-8
3.27216E-8
3.3687E-8
3.64522E-8
3.58185E-8
3.71848E-8
3.76502E-8
4.13248E-8
3.88906E-8
4.02557E-8
3.94212E-8
3.89872E-8
4.03527E-8
4.03177E-8
4.19832E-8
4.00486E-8
3.66137E-8
3.6878E-8
3.60522E-8
3.36171E-8
2.87818E-8
2.82462E-8
2.8011E-8
2.3876E-8
1.9442E-8
1.84064E-8
1.56719E-8
1.34369E-8
1.19011E-8
9.9655E-9
7.93019E-9
8.20324E-9
6.96805E-9
3.93042E-9
5.99351E-9
3.6568E-9
3.91941E-9
3.48321E-9
4.5475E-9
6.41057E-9
3.1735E-9
3.33614E-9
2.29898E-9
4.26321E-9
3.53514E-9
4.99777E-9
2.96168E-9
3.52367E-9
2.18747E-9
3.74936E-9
1.91252E-9
3.27481E-9
3.73711E-9
1.99963E-9
3.46209E-9
1.9255E-9
2.98786E-9
2.35951E-9
3.92229E-9
6.86402E-10
2.64879E-9
3.41177E-9
1.57377E-9
7.34313E-10
1.79535E-9
1.75576E-9
8.16588E-10
1.27787E-9
1.33828E-9
2.40766E-9
2.2675E-9
3.32907E-9
2.08931E-9
4.6503E-9
2.01162E-9
2.77359E-9
9.34507E-10
1.39371E-9
2.95382E-9
3.11257E-9
1.97264E-9
2.03249E-9
2.30335E-9
3.26293E-9
2.32355E-9
3.18423E-9
-3.55601E-10
2.60411E-9
4.96573E-9
2.52475E-9
4.58682E-9
3.4469E-9
2.90564E-9
2.26459E-9
2.42238E-9
2.18989E-9
2.35207E-9
1.81102E-9
3.4718E-9
2.43266E-9
3.09059E-9
3.14992E-9
1.90893E-9
3.96882E-9
2.22817E-9
5.68723E-9
3.14307E-9
4.21179E-9
2.36884E-9
3.026E-9
2.28478E-9
1.5417E-9
-2.01577E-10
-5.42796E-10
-2.84984E-10
4.73865E-10
4.31266E-10
-7.10612E-10
1.14792E-9
-9.94308E-10
-1.62613E-9
-6.66546E-10
-2.1014E-10
6.48231E-10
-2.09304E-9
1.36518E-9
2.42233E-9
5.80292E-10
1.23707E-9
8.94457E-10
-1.75082E-9
-2.93114E-10
6.21727E-11
7.29631E-10
6.85461E-10
1.54347E-9
-9.92009E-11
1.96072E-9
6.15839E-10
-1.82657E-9
-7.72274E-10
-2.51511E-9
-4.59608E-10
-4.00481E-9
-2.24979E-9
-1.89658E-9
-1.12952E-9
-1.57276E-9
-6.18233E-10
-3.25909E-9
2.09711E-9
-1.9469E-9
4.09387E-10
-1.33258E-9
5.23953E-10
6.79234E-10
2.32952E-10
2.89203E-10
-1.64516E-9
-9.90403E-10
-6.35047E-10
-1.48003E-9
-2.12485E-9
-3.70623E-10
-7.15508E-10
-1.59458E-10
-7.04674E-10
-1.15025E-9
-1.49575E-9
-3.14221E-9
-1.78828E-9
1.77273E-10
-2.16693E-9
-2.01185E-9
-2.15853E-9
9.55975E-11
-1.75374E-9
1.09897E-9
-1.44607E-9
9.08983E-10
-2.23813E-9
-5.86421E-10
对应的x1如下：
1.69807E-8
1.74379E-8
1.77616E-8
1.82389E-8
1.90016E-8
1.99232E-8
2.07788E-8
2.15403E-8
2.26239E-8
2.31553E-8
2.32129E-8
2.39504E-8
2.45536E-8
2.48561E-8
2.53274E-8
2.59264E-8
2.66476E-8
2.71783E-8
2.78304E-8
2.86291E-8
2.91858E-8
2.96564E-8
3.04316E-8
3.12957E-8
3.18281E-8
3.23709E-8
3.32588E-8
3.42126E-8
3.59712E-8
3.75858E-8
3.83831E-8
3.9707E-8
4.10755E-8
4.22084E-8
4.37041E-8
4.51505E-8
4.63244E-8
4.75983E-8
4.90241E-8
5.05581E-8
5.23257E-8
5.47946E-8
5.6831E-8
5.90427E-8
6.16051E-8
6.53092E-8
6.91477E-8
7.22721E-8
7.56804E-8
7.9821E-8
8.3649E-8
8.73841E-8
9.17267E-8
9.63176E-8
1.00955E-7
1.04971E-7
1.105E-7
1.1616E-7
1.22213E-7
1.28573E-7
1.34733E-7
1.41405E-7
1.48806E-7
1.56422E-7
1.64124E-7
1.72633E-7
1.8163E-7
1.91013E-7
1.98498E-7
2.09055E-7
2.2018E-7
2.31662E-7
2.43547E-7
2.55546E-7
2.68087E-7
2.81027E-7
2.94518E-7
3.08863E-7
3.23135E-7
3.3755E-7
3.52651E-7
3.64326E-7
3.80313E-7
3.9635E-7
4.12251E-7
4.27654E-7
4.43466E-7
4.59699E-7
4.76038E-7
4.92288E-7
5.07613E-7
5.22586E-7
5.33307E-7
5.47211E-7
5.59719E-7
5.71233E-7
5.82433E-7
5.92686E-7
6.00988E-7
6.08551E-7
6.15158E-7
6.2086E-7
6.25927E-7
6.30271E-7
6.3379E-7
6.36206E-7
6.39168E-7
6.41439E-7
6.43464E-7
6.45417E-7
6.46977E-7
6.48449E-7
6.50021E-7
6.52236E-7
6.54176E-7
6.55502E-7
6.56641E-7
6.57915E-7
6.59102E-7
6.60827E-7
6.62379E-7
6.63708E-7
6.6482E-7
6.66035E-7
6.67153E-7
6.682E-7
6.69611E-7
6.70757E-7
6.71848E-7
6.72894E-7
6.73874E-7
6.74676E-7
6.75912E-7
6.76784E-7
6.77444E-7
6.78623E-7
6.79616E-7
6.80093E-7
6.80608E-7
6.81341E-7
6.81865E-7
6.82286E-7
6.82823E-7
6.83417E-7
6.84387E-7
6.85497E-7
6.86605E-7
6.87957E-7
6.89278E-7
6.9021E-7
6.90951E-7
6.91435E-7
6.92319E-7
6.93591E-7
6.94621E-7
6.95435E-7
6.96074E-7
6.9721E-7
6.98318E-7
6.99407E-7
6.99973E-7
7.00427E-7
7.01881E-7
7.03414E-7
7.04759E-7
7.06355E-7
7.07657E-7
7.0871E-7
7.09689E-7
7.1043E-7
7.11278E-7
7.12119E-7
7.13138E-7
7.14273E-7
7.15412E-7
7.16654E-7
7.17667E-7
7.18816E-7
7.20042E-7
7.21617E-7
7.23508E-7
7.24622E-7
7.25989E-7
7.27104E-7
7.28159E-7
7.28952E-7
7.29231E-7
7.29084E-7
7.28917E-7
7.28954E-7
7.29138E-7
7.29082E-7
7.29168E-7
7.29199E-7
7.28804E-7
7.28365E-7
7.28185E-7
7.28271E-7
7.2799E-7
7.27847E-7
7.28609E-7
7.292E-7
7.29567E-7
7.29991E-7
7.29811E-7
7.29408E-7
7.2936E-7
7.2948E-7
7.29769E-7
7.30202E-7
7.30487E-7
7.30831E-7
7.31363E-7
7.31127E-7
7.30582E-7
7.29937E-7
7.29332E-7
7.28411E-7
7.27129E-7
7.26247E-7
7.25794E-7
7.25264E-7
7.24812E-7
7.24096E-7
7.23866E-7
7.23896E-7
7.23594E-7
7.2342E-7
7.23262E-7
7.23503E-7
7.23692E-7
7.23794E-7
7.23586E-7
7.23055E-7
7.22732E-7
7.2231E-7
7.21594E-7
7.21089E-7
7.20873E-7
7.20704E-7
7.20532E-7
7.2016E-7
7.19631E-7
7.18687E-7
7.17692E-7
7.1745E-7
7.17066E-7
7.16248E-7
7.15401E-7
7.1499E-7
7.14635E-7
7.14501E-7
7.14433E-7
7.14329E-7
7.14059E-7
7.13472E-7
对应的x2值如下：
400.21817
400.61646
400.91827
401.31686
401.71445
402.10831
402.50418
402.89828
403.29913
403.7005
404.09863
404.49399
404.88666
405.28616
405.68649
406.08643
406.48315
406.77927
407.17059
407.56268
407.95822
408.35791
408.75595
409.15466
409.55283
409.95297
410.35178
410.74991
411.15277
411.54327
411.83765
412.23499
412.63153
413.01941
413.414
413.81473
414.21561
414.60791
415.00772
415.40771
415.8046
416.19821
416.50238
416.89966
417.30411
417.70441
418.10968
418.50571
418.89938
419.29462
419.68948
420.0863
420.47821
420.87231
421.26471
421.5636
421.94995
422.3548
422.75449
423.15793
423.55075
423.94562
424.34641
424.73532
425.12238
425.5253
425.91931
426.31433
426.61465
427.02396
427.43512
427.83206
428.23102
428.63974
429.04993
429.44885
429.85513
430.26419
430.65915
431.05405
431.45764
431.7533
432.15192
432.55716
432.9563
433.34918
433.74777
434.15024
434.54727
434.94348
435.34326
435.75076
436.04477
436.44391
436.84482
437.2486
437.64679
438.04199
438.42526
438.82495
439.21268
439.60446
440.00443
440.4017
440.79495
441.09451
441.48505
441.90176
442.30972
442.71463
443.12628
443.52402
443.9155
444.31973
444.72467
445.13196
445.53625
445.92462
446.22894
446.63339
447.02322
447.43307
447.82257
448.23193
448.6268
449.03037
449.43292
449.8324
450.23184
450.62036
451.01926
451.31924
451.71252
452.09094
452.48682
452.87585
453.27438
453.68741
454.09454
454.50732
454.91507
455.31735
455.72787
456.04486
456.45993
456.85635
457.26569
457.66669
458.06345
458.45291
458.85242
459.26865
459.67493
460.09427
460.49942
460.90604
461.20074
461.6088
462.00571
462.40118
462.80121
463.20508
463.58917
463.99847
464.37668
464.77408
465.18411
465.59128
466.00919
466.33035
466.70361
467.10809
467.49384
467.87823
468.29059
468.68857
469.08896
469.48004
469.87579
470.27371
470.70206
471.00507
471.42035
471.83392
472.23114
472.64563
473.06122
473.45636
473.86011
474.25327
474.65958
475.05832
475.45248
475.85324
476.15479
476.5372
476.94901
477.34158
477.73019
478.12289
478.52496
478.91882
479.32312
479.72098
480.14301
480.53662
480.95203
481.25391
481.66306
482.05136
482.44537
482.81482
483.22794
483.61761
484.0369
484.42926
484.83609
485.24869
485.65863
486.08429
486.38361
486.77582
487.18771
487.55716
487.9527
488.3494
488.74286
489.12
489.51004
489.91068
490.32465
490.71533
491.02176
491.42468
491.82162
492.22092
492.61826
493.02328
493.41986
493.80759
494.20587
494.60669
495.00623
495.41354
495.81683
496.11792
496.50381
496.89539
497.30157
497.70023
498.12827
498.5379
498.92737
499.31555
499.72177
500.13751

[ Last edited by nono2009 on 2010-12-2 at 07:31 ]
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1楼 2010-11-30 07:38:33
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Originally posted by rongxue6808 at 2010-11-30 12:26:13:

绝对不是求人做作业呀！老板让模拟的，来验证实验数据。
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nono2009:希望不是求人做作业 2010-12-01 08:07:02
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