函数模型已知,matlab拟合效果不好,参数初值选取困难,y=a*(erf(b*x-c*d)-erf(e*x-c*f-c*g)数据data=[406.7277885\x05137.14002;396.3701493\x05129.135258;386.7249018\x05132.30158;376.8147918\x05126.839846;363.7578501\x05125.081926;352.798

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/01 08:03:47
xUnSG@0@_ Q蛝@@Vbjcz5g< }H>g^{3nQMS~6o~}_kt֨s8뻾:T|ct'۟J?ߘvWn]{Xp'ﮆڷgJRM 7ZC0IJyE8ML:#L(lE"e6p"( eҸ(" F(Ee81ܺY?G)DԈ}_.Vh!)Ziy|/sRYtpKNТ`v:YUR) Ŷ\@-6p)M| q'0R uM+M4sXNUh6H,ɭ6.0B0)$&̠ ,ThNVK.+ *o܁]SsYN-(͌fa,rUͰt[D*j@5PDs-D&YMTB|F!8s d0S)*F1m4NE Fr1hgc&V,eh$jcWPր EHFVJ(B,%uT>UrXՀTI ˲% Y.@RF0Ⳑ2"Ŷ4(r,Dĺ9BH2- Syy- %Li&THℵ0 C1sxƨ(1R`"GX*,-T)[_xU$g$4"R| cu,MT>L7;_ :s͙Ns6\]^5zh{rF!N^-e[I$S?x&V󶯟?աZo?"7z$u-{/GVN+4'n>l'@"bW$L7Єuc껍d7 @wx??Yg|͏7QM ZV~4m.%I;㭑:ߛҥni2*ד+ Y{|{:K7|@`XJ}%D>JX)Od~"׃kDH'XhR'Z)=8OoDrq:o[Q_ϪE;@hiR:kݪ_l`@Ea+Iw[IC|mC(yNϡM+$H>0v>w