function?[t1t2]=Finbonacci（a0b0f）
%Problem:Using?the?Finbonacci?methodwe?need?to?find?the?minimun?value?in
%????????a?closed?interval
%Idea:It?is?extremely?convinent?for?us?to?settle?the?problem?with?the
%????????Finbonacci?theory.
%????????F（1）=1;F（2）=1;F（n+2）=F（n+1）+F（n）;
%????????if?you?are?interested?in?more?details?of?Finbonacci?theoryplease
%????????refer?to?other?articles.
%Content?and?description?of?each?parameters
%???????a0:Left?interval.
%???????b0:Right?interval.
%???????f=inline（‘t.^2+3*t+1