<prompt> Umusho 1: Umsebenzisi ohlukanisayo owethulwe nguWilliam Rowan Hamilton, obhalwe ngokuthi futhi obizwa nge-del noma i-nabla, uchazwa ngokomfanekiso ngesimo se-vector, Umusho 2: I-operator ehlukile, ebhalwe nguWilliam Rowan Hamilton futhi ebizwa ngokuthi i-del noma i-nabla, ichazwa ngokomfanekiso ngesimo se-vector. Umbuzo: Ingabe umusho 1 nomusho 2 usho into efanayo? Yebo noma Cha?  <response>: Cha, akunjalo. 