Complete rotation in 2 and 3 dimension
This commit is contained in:
parent
91b6105f77
commit
47b521446c
1 changed files with 2 additions and 1 deletions
|
@ -180,7 +180,8 @@ $$f(a) + \frac{f'(a)}{1!}(x-a) + \frac{f''(a)}{2!}(x-a)^2 + \frac{f'''(a)}{3!}(x
|
|||
\section{Operators}
|
||||
$$\mathrm{div} \, \vec{u} = \frac{\partial u}{\partial x} + \frac{\partial v}{\partial y}$$
|
||||
|
||||
$$\mathrm{rot} \, \vec{u} = \nabla \times \vec{u} = -\frac{\partial u}{\partial y} + \frac{\partial v}{\partial x}$$
|
||||
$$\mathrm{rot} \, \vec{u_{xy}} = \nabla \times \vec{u} = (\frac{\partial v}{\partial x} - \frac{\partial u}{\partial y})$$
|
||||
$$\mathrm{rot} \, \vec{u_{xyz}} = \nabla \times \vec{u} = (\frac{\partial w}{\partial y}-\frac{\partial v}{\partial z}, \frac{\partial u}{\partial z} - \frac{\partial w}{\partial x}, \frac{\partial v}{\partial x} - \frac{\partial u}{\partial y})$$
|
||||
|
||||
$$\nabla = \begin{pmatrix}
|
||||
\frac{\partial}{\partial x},
|
||||
|
|
Loading…
Reference in a new issue