The eikonal equation sets some positive valued function of x equal to the Euclidean norm of this fun
The eikonal equation sets some positive valued function of x equal to the Euclidean norm of this function of u. Transforming a vector potential from one gauge to another requires adding the vector potential to this function of the gauge function. The Navier-Stokes equation for incompressible flow contains a term with negative this function of the pressure divided by the density. In three dimensions, the heat flux density is equal to the conductance times the negative of this function of the temperature according to Fourier's law. Taking the negative of this function of the electric potential gives the electric field. For 10 points, name this function on a scalar field which generates the vector field pointing towards the direction of greatest increase, symbolized del.
The eikonal equation sets some positive valued function of x equal to the Euclidean norm of this function of u. Transforming a vector potential from one gauge to another requires adding the vector potential to this function of the gauge function.
gradient or del