[Octave-bug-tracker] [bug #30710] Support fminbnd

[Alois Schlögl]

Follow-up Comment #2, bug #30710 (project octave):

I've compiled it from the latest sources (v3.3.52+, can not find v3.4) and
see that the command fails 

octave:1> version 
ans = 3.3.52+
octave:2> [x y] = fminbnd('3^x-12*x^2+40*x-36', 3, 8)
error: @3^x-12*x^2+40*x-36: no function and no method found
error: called from:
error:   /home/schloegl/src/octave/scripts/optimization/fminbnd.m at line 68,
column 9


The command in Matlab causes an error

[x y] = fminbnd('3^x-12x^2+40x-36', 3, 8)  
??? Error using ==> inlineeval
Error in inline expression ==> 3^x-12x^2+40x-36
??? Error: Unexpected MATLAB expression.

Error in ==> inline.subsref at 25
    INLINE_OUT_ = inlineeval(INLINE_INPUTS_, INLINE_OBJ_.inputExpr,
INLINE_OBJ_.expr);

Error in ==> fminbnd at 212
x= xf; fx = funfcn(x,varargin{:});


The command runs if modifed in this way. 

>> [x y] = fminbnd('3^x-12*x^2+40*x-36', 3, 8)

x =

    3.1908


y =

    2.7540



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