maria giovanna dainotti wrote:
> Dear mathgroup,
> I am using the version 7 but there are some incompatibilities for example
> <<NonlinearModelFit`;
> it gives the following error message:
>  Get::noopen: Cannot open \[NoBreak]NonlinearModelFit`\[NoBreak].
> I have used needs but it is not working.
> and another error

>  ns==100;
> afMin==-2.5;
> afMax==1.5;
> afStep==N[(afMax-afMin)/ns];
> SigmaIntMin==0.0;
> SigmaIntMax==1.5;
> SigmaIntStep==N[(SigmaIntMax-SigmaIntMin)/ns];
>  Print["Number of points in the grid : Ngrid == ",(ns+1)2," giving
> Print["Estimated time to run : trun Number of points in the grid : Ngrid ===
>  (1+ns)2 giving =EF=81=84a == afStep , =EF=81=84=EF=81=B3int == SigmaIntStep .
> Estimated time to run : trun =EF=82=B3 0.0624959 (1. +ns)2 seconds == 0.0010416 (1. +ns)2 minutes == 0.00001736 (1. +ns)2 hours.
> This should give me the exact number, instead there is always the ns.
> Furthermore if I do:
>  =EF=81=B3,lnL[a,=EF=81=B3,FitTab]}],{=EF=81=B3,SigmaIntMin,SigmaIntMax,Sigm aIntStep}],{a,afMin,afMax,afStep}]];Do::iterb: Iterator \[NoBreak]{a,afMin,afMax,afStep}\[NoBreak] does not have appropriate bounds.

> I will be very grateful if you could help me.
> Thanks a lot
> Best regards
> Maria
> I qijbiub pi=C3=B2uI ThesebestsolDE==NMinimize[{lnLInt[a,=EF=81=B3],afMin=EF=82=A3a=EF=82=A3afMa x,SigmaIntMin=EF=82=A3=EF=81=B3=EF=82=A3Im =EF=82=87
> FitTab==DataGood[[All,{1,2,3,4}]]
> TablnL=={};
> Timing[Do[Do[AppendTo[TablnL,{a,
> Export["lnLTab-LxTaNewSymmErr-u0.09-allz.dat",TablnL,"Table"]

>  =EF=81=84a == ",afStep,", =EF=81=84=EF=81=B3int == ",SigmaIntStep,"."]=EF=82=B3",N[7.562*((ns+1)/(10+1))2]," seconds == ",N[7.562/60*((ns+1)/(10+1))2]," minutes == ",N[7.562/3600*((ns+1)/(10+1))2]," hours."]