please, how ( index logical work in matlab ) ?

in solvig for example question for f2 (x) function in the range of [-2,5] and so on.

[Star Strider]

Reference: Need the function or Equation that solve this kind of questions?

Answer 1

[drummer]

MATLAB does not accept negative indexes if you want to walk through your range. It also starts @ 1.

One workaround you can should be:

idx = -3;
for i = 1 : 7
    idx = idx + 1
    % then you apply your idx into your f2(idx) down here.
end

Cheers