% func % ---- %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% function [fvec,J]=func(n,m,x,nprob,option)           % Selects the appropriate test function based on nprob.%                                                      % Created on 10/22/94 by Madhu Lamba                   %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%function [fvec,J] = func(n,m,x,nprob,opt)opt=1;if (nprob==1)	funcname = 'rose';elseif (nprob==2)        funcname = 'froth';elseif (nprob==3)        funcname = 'badscp';elseif (nprob==4)        funcname = 'badscb';elseif (nprob==5)        funcname = 'beale';elseif (nprob==6)        funcname = 'jensam';elseif (nprob==7)        funcname = 'helix';elseif (nprob==8)        funcname = 'bard';elseif (nprob==9)        funcname = 'gauss';elseif (nprob==10)        funcname = 'meyer';elseif (nprob==11)                funcname = 'gulf';elseif (nprob==12)           funcname = 'box';elseif (nprob==13)        funcname = 'sing';elseif (nprob==14)        funcname = 'wood';elseif (nprob==15)        funcname = 'kowosb';elseif (nprob==16)               funcname = 'bd';elseif (nprob==17)        funcname = 'osb1';elseif (nprob==18)        funcname = 'biggs';elseif (nprob==19)        funcname = 'osb2';elseif (nprob==20)        funcname = 'watson';elseif (nprob==21)        funcname = 'rosex';elseif (nprob==22)        funcname = 'singx';elseif (nprob==23)        funcname = 'pen1';elseif (nprob==24)        funcname = 'pen2';elseif (nprob==25)        funcname = 'vardim';elseif (nprob==26)        funcname = 'trig';elseif (nprob==27)        funcname = 'almost';elseif (nprob==28)        funcname = 'bv';elseif (nprob==29)        funcname = 'ie';elseif (nprob==30)        funcname = 'trid';elseif (nprob==31)        funcname = 'band';elseif (nprob==32)                funcname = 'lin';elseif (nprob==33)                funcname = 'lin1';elseif (nprob==34)        funcname = 'lin0';end;[fvec,J] = feval(funcname,n,m,x,3);       %