Question: Assign value on array entries

Hi, I've assigned first the entries of an array: Ecce:=array(1..2, [x,y]); then I would to set x:=0, y:=0 (obviously, this is for exemple, I've to do this whit very large array, so I cant do one entry at time) I've guessed Ecce[] := 0 but now Ecce[1]=0, Ecce[2]=0, x=x, y=y How I must do to assign the old entries of the array, at the next ones? Tk you S.
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