| ... | @@ -19,7 +19,7 @@ Generic name of a function is `wderiv_operation_Nd_t`, where: | ... | @@ -19,7 +19,7 @@ Generic name of a function is `wderiv_operation_Nd_t`, where: | 
|  | * `divergence` :  $`\frac{\partial f}{\partial x} + \frac{\partial f}{\partial y} + \frac{\partial f}{\partial z}`$ |  | * `divergence` :  $`\frac{\partial f}{\partial x} + \frac{\partial f}{\partial y} + \frac{\partial f}{\partial z}`$ | 
|  | * `curl` : $`(\frac{\partial f_y}{\partial z} - \frac{\partial f_z}{\partial y},\frac{\partial f_z}{\partial x} - \frac{\partial f_x}{\partial z},\frac{\partial f_x}{\partial y} - \frac{\partial f_y}{\partial x})`$ |  | * `curl` : $`(\frac{\partial f_y}{\partial z} - \frac{\partial f_z}{\partial y},\frac{\partial f_z}{\partial x} - \frac{\partial f_x}{\partial z},\frac{\partial f_x}{\partial y} - \frac{\partial f_y}{\partial x})`$ | 
|  | * `N`: |  | * `N`: | 
|  | * `1` for 1D problems |  | * `1` for [1D problems](Derivatives#1d-real-derivatives) | 
|  | * `2` for [2D problems](Derivatives#2d-real-derivatives) |  | * `2` for [2D problems](Derivatives#2d-real-derivatives) | 
|  | * `3` for [3D problems](Derivatives#3d-real-derivatives) |  | * `3` for [3D problems](Derivatives#3d-real-derivatives) | 
|  | * `t`: |  | * `t`: | 
| ... |  | ... |  |