Curl of vector field

`curl(`

returns the
curl of the vector field
`V`

,`X`

)`V`

with respect to the vector `X`

. The vector field
`V`

and the vector `X`

are both
three-dimensional.

`curl(`

returns the curl of the vector field
`V`

)`V`

with respect to the vector of variables returned by
`symvar(V,3)`

.

`diff`

| `divergence`

| `gradient`

| `hessian`

| `jacobian`

| `laplacian`

| `potential`

| `vectorPotential`