Returns the addition of this vector and another.
Parameters: v - a ket vector exception: VectorDimensionException - If the vectors are different sizes.
Returns the multiplication of this ket vector and a bra vector.
Parameters: bra - a bra vector exception: VectorDimensionException - If the vectors have different dimensions.
Returns the subtraction of this vector by another.
Parameters: v - a ket vector exception: VectorDimensionException - If the vectors are different sizes.