code: @XmlElementDecl(namespace = "http://www.w3.org/1998/Math/MathML", name = "vectorproduct")
      public JAXBElement<VectorproductType> createVectorproduct(VectorproductType value) {
          return new JAXBElement<VectorproductType>(_Vectorproduct_QNAME, VectorproductType.class, null, value);
      }
docs: Create an instance of {@link JAXBElement }{@code <}{@link VectorproductType }{@code >}}