fig executes: figure; hold on, box on, grid on,

fig executes: figure; hold on, box on, grid on,

Inputs:

H (optional) handle to an existing figure.

If H is given... fig(H); executes: figure(H); hold on, box on, grid on,
If H is not given... H = fig; executes: H = figure; hold on, box on, grid on,

The only point of this function is to save key strokes. If you use Matlab often and you value your time, then this function may appeal to you.