What is the significance of the ‘OF’ in X=SUM (OF a1-a4,
a6, a9);?

Answer Posted / raghavendrareddy.m

it adds a1,a2,a3,a4,a6,a9:
x=sum(a1,a2,a3,a4,a6,a9);

or

x=sum(of a:);

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