The fundamental theorem of #vectorcalculus states that any vector field can be expressed as the sum of an #irrotational and a #solenoidal field. The condition of zero #divergence is satisfied whenever a vector field v has only a vector potential component

The fundamental theorem of #vectorcalculus states that any vector field can be expressed as the sum of an #irrotational and a #solenoidal field. The condition of zero #divergence is satisfied whenever a vector field v has only a vector potential component