return l.elem() * r.elem();
return Ret_t(l.real()*r.real() + l.imag()*r.imag(), l.real()*r.imag() - l.imag()*r.real());
adjMultiply(const RScalar<T1>& l, const RScalar<T2>& r){  /*! NOTE: removed transpose here !!!!!  *///  return transpose(l.elem()) * r.elem();  return l.elem() * r.elem();}