mtimes error when multiply a constant with a matrix

[maxF loc]=max(F(:));
[row col]=size(F);
%create a matrix max
G=(128-maxF).*ones(row,col);

??? Error using ==> times
Integers can only be combined with
integers of the same class, or scalar
doubles.

Error in ==> Mor at 24
G=(128-maxF).*ones(row,col);

help me

Answer 1

[Walter Roberson]

G=(128-double(maxF)).*ones(row,col);

[sixwwwwww]

Thanks for correcting me

[Huy]

thanks a lot