: xmax = 0.5000,fmax =2.0000. 0.5 , 2 .
2
min F(X)
:
1
x= fminunc
fun,X0
x=fminsearch
fun,X0
2
x= fminunc
fun,X0
options
x=fminsearch fun,X0 options
3[x fval]= fminunc ...
[x fval]= fminsearch ...
4
[x fval exitflag]= fminunc ...
[x fval exitflag]= fminsearch
5
[x fval exitflag output]= fminunc ...
[x fval exitflag output]= fminsearch ...
:
? fminsearch . fminunc
[1] fminunc options LargeScale
LargeScale= on( ),
LargeScale= off ( ),
[2] fminunc 4
options HessUpdate
HessUpdate=bfgs BFGS
HessUpdate=dfp DFP
HessUpdate=steepdesc
[3] fminunc options LineSearchType
LineSearchType=quadcubic ( )
LineSearchType=cubicpoly
? fminunc fminsearch .