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Home · Changes

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Update home authored May 13, 2021 by Bartosz Ruszczak's avatar Bartosz Ruszczak
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home.md
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...@@ -7,15 +7,16 @@ Generic name of a function is `wderiv_operation_Nd_t`, where: ...@@ -7,15 +7,16 @@ Generic name of a function is `wderiv_operation_Nd_t`, where:
* `dfdy` : $`\frac{\partial f}{\partial y}`$ * `dfdy` : $`\frac{\partial f}{\partial y}`$
* `dfdz` : $`\frac{\partial f}{\partial z}`$ * `dfdz` : $`\frac{\partial f}{\partial z}`$
* `d2fdx2` : $`\frac{\partial^2 f}{\partial x^2}`$ * `d2fdx2` : $`\frac{\partial^2 f}{\partial x^2}`$
* d2fdy2 * `d2fdy2` : $`\frac{\partial^2 f}{\partial y^2}`$
* d2fdz2 * `d2fdz2` : $`\frac{\partial^2 f}{\partial z^2}`$
* dnfdxn * `dnfdxn` : $`\frac{\partial^n f}{\partial x^n}`$
* dnfdyn * `dnfdyn` : $`\frac{\partial^n f}{\partial y^n}`$
* dnfdzn * `dnfdzn` : $`\frac{\partial^n f}{\partial z^n}`$
* gradient * `gradient` : $`(\frac{\partial f}{\partial x}, \frac{\partial f}{\partial y}, \frac{\partial f}{\partial z})`$
* `gradient2` : $`|\nabla f|^2`$, see [here for computation details](Gradient square) * `gradient2` : $`|\nabla f|^2`$, see [here for computation details](Gradient square)
* divergence * `laplace` : $`\frac{\partial^2 f}{\partial x^2} + \frac{\partial^2 f}{\partial y^2} + \frac{\partial^2 f}{\partial z^2}`$
* ... * `divergence` : $`\frac{\partial f}{\partial x} + \frac{\partial f}{\partial y} + \frac{\partial f}{\partial z}`$
* `curl` : $`(\frac{\partial f_y}{\partial z} - \frac{\partial f_z}{\partial y},\frac{\partial f_z}{\partial x} - \frac{\partial f_x}{\partial z},\frac{\partial f_x}{\partial y} - \frac{\partial f_y}{\partial x})`$
* `N`: * `N`:
* `1` for 1D problems * `1` for 1D problems
* `2` for 2D problems * `2` for 2D problems
...@@ -29,7 +30,7 @@ Generic name of a function is `wderiv_operation_Nd_t`, where: ...@@ -29,7 +30,7 @@ Generic name of a function is `wderiv_operation_Nd_t`, where:
* Function computes first derivative with respect to x (df/dx) * Function computes first derivative with respect to x (df/dx)
* of 3D real function f(x,y,z) * of 3D real function f(x,y,z)
* @param f pointer to function, array of size [nx*ny*nz] (INPUT) * @param f pointer to function, array of size [nx*ny*nz] (INPUT)
* @param df_dx pointer to function, array of size [nx*ny*nz] (OUTPUT) * @param dfdx pointer to function, array of size [nx*ny*nz] (OUTPUT)
* NOTE: dfdx can be the same pointer as f, then result overwrites input * NOTE: dfdx can be the same pointer as f, then result overwrites input
* @return error code * @return error code
* */ * */
......
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