Fix issue of multiple expression for the same array variable.
Based on our assumption that we consider that arrays will have uniform error and the array as a whole will be considered for approximation, having multiple expressions for different array elements is not desirable.
Fix issue of multiple expression for the same array variable.
Based on our assumption that we consider that arrays will have uniform error and the array as a whole will be considered for approximation, having multiple expressions for different array elements is not desirable.