Notasi untuk diferensiasi: Perbedaan antara revisi

:<math>\nabla = \left( \frac{\partial}{\partial x}, \frac{\partial}{\partial y}, \frac{\partial}{\partial z} \right),</math>

 

 

<div style="float:right; margin: 0 0 10px 10px; padding:30px; font-size:500%; font-family:Times New Roman, serif; background-color: #ddddff; border: 1px solid #aaaaff;">∇''φ''</div>