public IntIntSortedVector getProd(IntIntVector other) {
        IntIntSortedVector prod = new IntIntSortedVector(this);
        prod.product(other);
        return prod;
    }
public IntIntSortedVector getProd ( IntIntVector other ) { IntIntSortedVector prod = new IntIntSortedVector ( this ) ; prod . product ( other ) ; return prod ; }
Gets the entrywise product (i.e. Hadamard product) of the two vectors.