版塊導(dǎo)航: 正在加載中...

應(yīng)《網(wǎng)絡(luò)安全法》要求，自2017年10月1日起，未進(jìn)行實(shí)名認(rèn)證將不得使用互聯(lián)網(wǎng)跟帖服務(wù)。為保障您的帳號(hào)能夠正常使用，請(qǐng)盡快對(duì)帳號(hào)進(jìn)行手機(jī)號(hào)驗(yàn)證，感謝您的理解與支持！

24小時(shí)熱門(mén)版塊排行榜

返回列表

當(dāng)前只顯示滿足指定條件的回帖，點(diǎn)擊這里查看本話題的所有回帖

bella_蟲(chóng)蟲(chóng)

新蟲(chóng) (小有名氣)

應(yīng)助: 0 (幼兒園)
金幣: 389.8
帖子: 59
在線: 14.7小時(shí)
蟲(chóng)號(hào): 2013381
注冊(cè): 2012-09-19
專業(yè): 無(wú)機(jī)非金屬基復(fù)合材料

[求助] 1stOpt或者M(jìn)ATLAB自定義公式曲線擬合已有2人參與

自定義公式是y^2-1=A*x^2/(x^2-B^2)+C*x^2/(x^2-D^2)
其中x是波長(zhǎng)，y是折射率。求參數(shù)A,B,C,D.萬(wàn)分感謝！數(shù)據(jù)如下：
x y
0.4 1.73512
0.401 1.73494
0.402 1.73477
0.403 1.7346
0.404 1.73442
0.405 1.73426
0.406 1.73409
0.407 1.73392
0.408 1.73376
0.409 1.73359
0.41 1.73343
0.411 1.73327
0.412 1.73311
0.413 1.73295
0.414 1.7328
0.415 1.73264
0.416 1.73249
0.417 1.73234
0.418 1.73218
0.419 1.73203
0.42 1.73189
0.421 1.73174
0.422 1.73159
0.423 1.73145
0.424 1.7313
0.425 1.73116
0.426 1.73102
0.427 1.73088
0.428 1.73074
0.429 1.7306
0.43 1.73047
0.431 1.73033
0.432 1.7302
0.433 1.73006
0.434 1.72993
0.435 1.7298
0.436 1.72967
0.437 1.72954
0.438 1.72941
0.439 1.72929
0.44 1.72916
0.441 1.72904
0.442 1.72891
0.443 1.72879
0.444 1.72867
0.445 1.72855
0.446 1.72843
0.447 1.72831
0.448 1.72819
0.449 1.72807
0.45 1.72796
0.451 1.72784
0.452 1.72773
0.453 1.72761
0.454 1.7275
0.455 1.72739
0.456 1.72728
0.457 1.72716
0.458 1.72706
0.459 1.72695
0.46 1.72684
0.461 1.72673
0.462 1.72663
0.463 1.72652
0.464 1.72642
0.465 1.72631
0.466 1.72621
0.467 1.72611
0.468 1.72601
0.469 1.72591
0.47 1.72581
0.471 1.72571
0.472 1.72561
0.473 1.72551
0.474 1.72541
0.475 1.72532
0.476 1.72522
0.477 1.72513
0.478 1.72503
0.479 1.72494
0.48 1.72485
0.481 1.72476
0.482 1.72466
0.483 1.72457
0.484 1.72448
0.485 1.72439
0.486 1.72431
0.487 1.72422
0.488 1.72413
0.489 1.72404
0.49 1.72396
0.491 1.72387
0.492 1.72378
0.493 1.7237
0.494 1.72362
0.495 1.72353
0.496 1.72345
0.497 1.72337
0.498 1.72329
0.499 1.72321
0.5 1.72312
0.501 1.72304
0.502 1.72296
0.503 1.72289
0.504 1.72281
0.505 1.72273
0.506 1.72265
0.507 1.72258
0.508 1.7225
0.509 1.72242
0.51 1.72235
0.511 1.72227
0.512 1.7222
0.513 1.72213
0.514 1.72205
0.515 1.72198
0.516 1.72191
0.517 1.72184
0.518 1.72176
0.519 1.72169
0.52 1.72162
0.521 1.72155
0.522 1.72148
0.523 1.72141
0.524 1.72135
0.525 1.72128
0.526 1.72121
0.527 1.72114
0.528 1.72108
0.529 1.72101
0.53 1.72094
0.531 1.72088
0.532 1.72081
0.533 1.72075
0.534 1.72068
0.535 1.72062
0.536 1.72056
0.537 1.72049
0.538 1.72043
0.539 1.72037
0.54 1.72031
0.541 1.72025
0.542 1.72018
0.543 1.72012
0.544 1.72006
0.545 1.72
0.546 1.71994
0.547 1.71988
0.548 1.71983
0.549 1.71977
0.55 1.71971
0.551 1.71965
0.552 1.71959
0.553 1.71954
0.554 1.71948
0.555 1.71942
0.556 1.71937
0.557 1.71931
0.558 1.71926
0.559 1.7192
0.56 1.71915
0.561 1.71909
0.562 1.71904
0.563 1.71898
0.564 1.71893
0.565 1.71888
0.566 1.71883
0.567 1.71877
0.568 1.71872
0.569 1.71867
0.57 1.71862
0.571 1.71856
0.572 1.71851
0.573 1.71846
0.574 1.71841
0.575 1.71836
0.576 1.71831
0.577 1.71826
0.578 1.71822
0.579 1.71817
0.58 1.71812
0.581 1.71807
0.582 1.71802
0.583 1.71797
0.584 1.71793
0.585 1.71788
0.586 1.71783
0.587 1.71779
0.588 1.71774
0.589 1.71769
0.59 1.71765
0.591 1.7176
0.592 1.71755
0.593 1.71751
0.594 1.71747
0.595 1.71742
0.596 1.71738
0.597 1.71733
0.598 1.71729
0.599 1.71724
0.6 1.7172
0.601 1.71716
0.602 1.71711
0.603 1.71707
0.604 1.71703
0.605 1.71699
0.606 1.71694
0.607 1.7169
0.608 1.71686
0.609 1.71682
0.61 1.71678
0.611 1.71674
0.612 1.7167
0.613 1.71666
0.614 1.71662
0.615 1.71658
0.616 1.71654
0.617 1.7165
0.618 1.71646
0.619 1.71642
0.62 1.71638
0.621 1.71634
0.622 1.7163
0.623 1.71626
0.624 1.71623
0.625 1.71619
0.626 1.71615
0.627 1.71611
0.628 1.71608
0.629 1.71604
0.63 1.716
0.631 1.71597
0.632 1.71593
0.633 1.71589
0.634 1.71586
0.635 1.71582
0.636 1.71578
0.637 1.71575
0.638 1.71571
0.639 1.71568
0.64 1.71564
0.641 1.71561
0.642 1.71557
0.643 1.71554
0.644 1.7155
0.645 1.71547
0.646 1.71544
0.647 1.7154
0.648 1.71537
0.649 1.71534
0.65 1.7153
0.651 1.71527
0.652 1.71524
0.653 1.7152
0.654 1.71517
0.655 1.71514
0.656 1.71511
0.657 1.71507
0.658 1.71504
0.659 1.71501
0.66 1.71498
0.661 1.71495
0.662 1.71492
0.663 1.71489
0.664 1.71485
0.665 1.71482
0.666 1.71479
0.667 1.71476
0.668 1.71473
0.669 1.7147
0.67 1.71467
0.671 1.71464
0.672 1.71461
0.673 1.71458
0.674 1.71455
0.675 1.71452
0.676 1.71449
0.677 1.71446
0.678 1.71443
0.679 1.71441
0.68 1.71438
0.681 1.71435
0.682 1.71432
0.683 1.71429
0.684 1.71426
0.685 1.71424
0.686 1.71421
0.687 1.71418
0.688 1.71415
0.689 1.71412
0.69 1.7141
0.691 1.71407
0.692 1.71404
0.693 1.71401
0.694 1.71399
0.695 1.71396
0.696 1.71394
0.697 1.71391
0.698 1.71388
0.699 1.71386
0.7 1.71383
0.701 1.7138
0.702 1.71378
0.703 1.71375
0.704 1.71373
0.705 1.7137
0.706 1.71368
0.707 1.71365
0.708 1.71363
0.709 1.7136
0.71 1.71358
0.711 1.71355
0.712 1.71353
0.713 1.7135
0.714 1.71348
0.715 1.71345
0.716 1.71343
0.717 1.7134
0.718 1.71338
0.719 1.71336
0.72 1.71333
0.721 1.71331
0.722 1.71328
0.723 1.71326
0.724 1.71324
0.725 1.71321
0.726 1.71319
0.727 1.71317
0.728 1.71314
0.729 1.71312
0.73 1.7131
0.731 1.71308
0.732 1.71305
0.733 1.71303
0.734 1.71301
0.735 1.71299
0.736 1.71297
0.737 1.71294
0.738 1.71292
0.739 1.7129
0.74 1.71288
0.741 1.71286
0.742 1.71283
0.743 1.71281
0.744 1.71279
0.745 1.71277
0.746 1.71275
0.747 1.71273
0.748 1.71271
0.749 1.71269
0.75 1.71266
0.751 1.71264
0.752 1.71262
0.753 1.7126
0.754 1.71258
0.755 1.71256
0.756 1.71254
0.757 1.71252
0.758 1.7125
0.759 1.71248
0.76 1.71246
0.761 1.71244
0.762 1.71242
0.763 1.7124
0.764 1.71238
0.765 1.71236
0.766 1.71234
0.767 1.71232
0.768 1.7123
0.769 1.71228
0.77 1.71226
0.771 1.71225
0.772 1.71223
0.773 1.71221
0.774 1.71219
0.775 1.71217
0.776 1.71215
0.777 1.71213
0.778 1.71211
0.779 1.7121
0.78 1.71208
0.781 1.71206
0.782 1.71204
0.783 1.71202
0.784 1.712
0.785 1.71198
0.786 1.71197
0.787 1.71195
0.788 1.71193
0.789 1.71191
0.79 1.7119
0.791 1.71188
0.792 1.71186
0.793 1.71184
0.794 1.71183
0.795 1.71181
0.796 1.71179
0.797 1.71177
0.798 1.71176
0.799 1.71174
0.8 1.71172
0.801 1.71171
0.802 1.71169
0.803 1.71167
0.804 1.71166
0.805 1.71164
0.806 1.71162
0.807 1.71161
0.808 1.71159
0.809 1.71157
0.81 1.71156
0.811 1.71154
0.812 1.71153
0.813 1.71151
0.814 1.71149
0.815 1.71148
0.816 1.71146
0.817 1.71144
0.818 1.71143
0.819 1.71141
0.82 1.7114
0.821 1.71138
0.822 1.71137
0.823 1.71135
0.824 1.71134
0.825 1.71132
0.826 1.7113
0.827 1.71129
0.828 1.71127
0.829 1.71126
0.83 1.71124
0.831 1.71123
0.832 1.71121
0.833 1.7112
0.834 1.71118
0.835 1.71117
0.836 1.71116
0.837 1.71114
0.838 1.71113
0.839 1.71111
0.84 1.7111
0.841 1.71108
0.842 1.71107
0.843 1.71105
0.844 1.71104
0.845 1.71102
0.846 1.71101
0.847 1.711
0.848 1.71098
0.849 1.71097
0.85 1.71095
0.851 1.71094
0.852 1.71093
0.853 1.71091
0.854 1.7109
0.855 1.71089
0.856 1.71087
0.857 1.71086
0.858 1.71084
0.859 1.71083
0.86 1.71082
0.861 1.7108
0.862 1.71079
0.863 1.71078
0.864 1.71076
0.865 1.71075
0.866 1.71074
0.867 1.71072
0.868 1.71071
0.869 1.7107
0.87 1.71069
0.871 1.71067
0.872 1.71066
0.873 1.71065
0.874 1.71063
0.875 1.71062
0.876 1.71061
0.877 1.7106
0.878 1.71058
0.879 1.71057
0.88 1.71056
0.881 1.71055
0.882 1.71053
0.883 1.71052
0.884 1.71051
0.885 1.71049
0.886 1.71048
0.887 1.71047
0.888 1.71046
0.889 1.71045
0.89 1.71043
0.891 1.71042
0.892 1.71041
0.893 1.7104
0.894 1.71039
0.895 1.71038
0.896 1.71036
0.897 1.71035
0.898 1.71034
0.899 1.71033
0.9 1.71032
0.901 1.7103
0.902 1.71029
0.903 1.71028
0.904 1.71027
0.905 1.71026
0.906 1.71025
0.907 1.71023
0.908 1.71022
0.909 1.71021
0.91 1.7102
0.911 1.71019
0.912 1.71018
0.913 1.71017
0.914 1.71016
0.915 1.71015
0.916 1.71014
0.917 1.71012
0.918 1.71011
0.919 1.7101
0.92 1.71009
0.921 1.71008
0.922 1.71007
0.923 1.71006
0.924 1.71005
0.925 1.71004
0.926 1.71003
0.927 1.71002
0.928 1.71001
0.929 1.70999
0.93 1.70998
0.931 1.70997
0.932 1.70996
0.933 1.70995
0.934 1.70994
0.935 1.70993
0.936 1.70992
0.937 1.70991
0.938 1.7099
0.939 1.70989
0.94 1.70988
0.941 1.70987
0.942 1.70986
0.943 1.70985
0.944 1.70984
0.945 1.70983
0.946 1.70982
0.947 1.70981
0.948 1.7098
0.949 1.70979
0.95 1.70978
0.951 1.70977
0.952 1.70976
0.953 1.70975
0.954 1.70974
0.955 1.70973
0.956 1.70972
0.957 1.70971
0.958 1.7097
0.959 1.70969
0.96 1.70968
0.961 1.70968
0.962 1.70967
0.963 1.70966
0.964 1.70965
0.965 1.70964
0.966 1.70963
0.967 1.70962
0.968 1.70961
0.969 1.7096
0.97 1.70959
0.971 1.70958
0.972 1.70957
0.973 1.70956
0.974 1.70955
0.975 1.70955
0.976 1.70954
0.977 1.70953
0.978 1.70952
0.979 1.70951
0.98 1.7095
0.981 1.70949
0.982 1.70948
0.983 1.70947
0.984 1.70947
0.985 1.70946
0.986 1.70945
0.987 1.70944
0.988 1.70943
0.989 1.70942
0.99 1.70941
0.991 1.7094
0.992 1.7094
0.993 1.70939
0.994 1.70938
0.995 1.70937
0.996 1.70936
0.997 1.70935
0.998 1.70934
0.999 1.70934
1 1.70933

回復(fù)此樓

» 猜你喜歡

重慶交通大學(xué)光子學(xué)微結(jié)構(gòu)與器件課題組招收2026年碩士研究生信息已經(jīng)有2人回復(fù)
一志愿鄭大材料學(xué)碩298分，求調(diào)劑已經(jīng)有6人回復(fù)
物理學(xué)I論文潤(rùn)色/翻譯怎么收費(fèi)? 已經(jīng)有211人回復(fù)
尋合作：應(yīng)力腐蝕多尺度模擬已經(jīng)有6人回復(fù)
考研交流已經(jīng)有0人回復(fù)
【新加坡】納米電子器件項(xiàng)目組有“聯(lián)合培養(yǎng)博士生”名額已經(jīng)有0人回復(fù)
【新加坡】納米電子器件項(xiàng)目組有“聯(lián)合培養(yǎng)博士生”名額已經(jīng)有0人回復(fù)
幫我的英語(yǔ)口語(yǔ)老師找學(xué)生已經(jīng)有3人回復(fù)

1樓 2019-03-19 11:28:02

已閱回復(fù)此樓關(guān)注TA 給TA發(fā)消息送TA紅花 TA的回帖

獨(dú)孤神宇

版主 (知名作家)

應(yīng)助: 490 (碩士)
貴賓: 0.008
金幣: 31016.3
散金: 802
紅花: 122
沙發(fā): 1
帖子: 5600
在線: 856.5小時(shí)
蟲(chóng)號(hào): 3522474
注冊(cè): 2014-11-06
性別: GG
專業(yè): 機(jī)械動(dòng)力學(xué)
管轄: 計(jì)算模擬

【答案】應(yīng)助回帖

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
bella_蟲(chóng)蟲(chóng): 金幣+15, ★★★很有幫助 2019-03-20 11:29:10

數(shù)據(jù)點(diǎn)太多，可以用快速擬合命令：

QuickReg = 30;
Function  y=sqrt(A*x^2/(x^2-B^2)+C*x^2/(x^2-D^2)+1);
Data;
0.4       1.73512
0.401       1.73494
0.402       1.73477
.................................

***********************

均方差(RMSE): 1.18639070111275E-5
殘差平方和(SSR): 8.45921260307763E-8
相關(guān)系數(shù)(R): 0.999998545426832
相關(guān)系數(shù)之平方(R^2): 0.99999709085578
修正R平方(Adj. R^2): 0.999997081126201
確定系數(shù)(DC): 0.99999674961715
卡方系數(shù)(Chi-Square): 2.46124672523981E-8
F統(tǒng)計(jì)(F-Statistic): 61160456.3001734

參數(shù) 最佳估算
---------- -------------
a 0.506814746833497
b 0.164421567049389
c 1.40084728428013
d -2.28518203770492E-8

贊一下(1人)

回復(fù)此樓

數(shù)值計(jì)算

7樓2019-03-20 11:07:38

已閱回復(fù)此樓關(guān)注TA 給TA發(fā)消息送TA紅花 TA的回帖

查看全部 10 個(gè)回答

dingd

鐵桿木蟲(chóng) (職業(yè)作家)

計(jì)算強(qiáng)帖: 4
應(yīng)助: 1641 (講師)
金幣: 15037.3
散金: 101
紅花: 234
帖子: 3410
在線: 1223.7小時(shí)
蟲(chóng)號(hào): 291104
注冊(cè): 2006-10-28

【答案】應(yīng)助回帖

★ ★ ★ ★ ★ ★ ★ ★ ★ ★
感謝參與，應(yīng)助指數(shù) +1
月只藍(lán): 金幣+5, 感謝指導(dǎo)！ 2019-03-20 06:43:28
bella_蟲(chóng)蟲(chóng): 金幣+5, ★★★很有幫助 2019-03-20 11:28:18

公式盡量寫(xiě)成顯示：
把：y^2-1=A*x^2/(x^2-B^2)+C*x^2/(x^2-D^2)
改寫(xiě)成：y=sqrt(A*x^2/(x^2-B^2)+C*x^2/(x^2-D^2)+1)

自己先動(dòng)動(dòng)手用1stOpt試試。

贊一下(1人)

回復(fù)此樓

2樓2019-03-19 11:57:36

已閱回復(fù)此樓關(guān)注TA 給TA發(fā)消息送TA紅花 TA的回帖

bella_蟲(chóng)蟲(chóng)

新蟲(chóng) (小有名氣)

應(yīng)助: 0 (幼兒園)
金幣: 389.8
帖子: 59
在線: 14.7小時(shí)
蟲(chóng)號(hào): 2013381
注冊(cè): 2012-09-19
專業(yè): 無(wú)機(jī)非金屬基復(fù)合材料

沒(méi)有接觸過(guò)軟件，不知道如何編程

發(fā)自小木蟲(chóng)IOS客戶端

贊一下

回復(fù)此樓

3樓2019-03-19 15:02:40

已閱回復(fù)此樓關(guān)注TA 給TA發(fā)消息送TA紅花 TA的回帖

dingd

鐵桿木蟲(chóng) (職業(yè)作家)

計(jì)算強(qiáng)帖: 4
應(yīng)助: 1641 (講師)
金幣: 15037.3
散金: 101
紅花: 234
帖子: 3410
在線: 1223.7小時(shí)
蟲(chóng)號(hào): 291104
注冊(cè): 2006-10-28

【答案】應(yīng)助回帖

那就先接觸了解下。多動(dòng)下手沒(méi)壞處。

贊一下

回復(fù)此樓

4樓2019-03-19 15:25:25

已閱回復(fù)此樓關(guān)注TA 給TA發(fā)消息送TA紅花 TA的回帖

查看全部 10 個(gè)回答

普通表情龍兔虎貓

最具人氣熱帖推薦 [查看全部]		作者	回/看	最后發(fā)表

[考研] 材料專碩290求調(diào)劑 +5	杰尼龜aaa 2026-03-04	5/250	2026-03-06 00:31 by wutongshun
[考研] 274求調(diào)劑 +6	cgyzqwn 2026-03-01	11/550	2026-03-05 23:39 by ，�。�
[考研] 085602高分子方向求調(diào)劑 +4	tlgudy 2026-03-04	4/200	2026-03-05 22:37 by kikoooo
[考研] 材料調(diào)劑 +4	ounce. 2026-03-04	5/250	2026-03-05 20:10 by 黑衣饅頭人
[考研] 材料085601一志愿哈工大317 +4	壓迫感行 2026-03-04	4/200	2026-03-05 20:08 by 黑衣饅頭人
[考研] 紡織、生物、化學(xué)、材料等專業(yè) +3	Eember. 2026-03-05	7/350	2026-03-05 16:35 by Eember.
[考研] 266求調(diào)劑 +7	哇塞王帥 2026-03-03	7/350	2026-03-04 20:30 by 一切OK
[考研] 求調(diào)劑 +7	博斯特525 2026-03-04	7/350	2026-03-04 18:09 by houyaoxu
[考研] 282求調(diào)劑 +5	2103240126 2026-03-02	8/400	2026-03-04 17:29 by 妄深于海
[考研] 材料專碩346求調(diào)劑 +3	旺一下 2026-03-04	3/150	2026-03-04 16:26 by sslc1985
[考研] 085600 材料與化工 298 +14	小西笑嘻嘻 2026-03-03	14/700	2026-03-04 16:23 by sslc1985
[考研] 材料化工調(diào)劑 +15	今夏不夏 2026-03-01	18/900	2026-03-04 15:44 by 每天只擺一小會(huì)
[考研] 281求調(diào)劑 +3	Y?l?h 2026-03-04	3/150	2026-03-04 10:51 by 汪��？！
[考研] 0703化學(xué)調(diào)劑 +4	G212 2026-03-03	5/250	2026-03-04 09:34 by 每天只擺一小會(huì)
[考研] 理學(xué)，工學(xué)，農(nóng)學(xué)調(diào)劑，少走彎路，這里歡迎您！ +8	likeihood 2026-03-02	11/550	2026-03-03 19:39 by 一葉凡塵?
[考研] 292求調(diào)劑 +3	sgbl 2026-03-03	3/150	2026-03-03 17:30 by barlinike
[考研] 化工270求調(diào)劑 +10	什么名字qwq 2026-03-02	10/500	2026-03-03 13:54 by NUAAZXWS
[考研] 307求調(diào)劑 +6	wyyyqx 2026-03-01	6/300	2026-03-03 09:24 by 2235787770
[考研] 290分材料工程085601求調(diào)劑數(shù)二英一 +8	llx0610 2026-03-02	9/450	2026-03-02 22:09 by 無(wú)際的草原
[考研] 290求調(diào)劑 +9	材料專碩調(diào)劑； 2026-02-28	11/550	2026-03-01 17:21 by sunny81