Epsilon kroncker: Perbedaan antara revisi

<math>\mathbf{A}\times \mathbf{B}=\left( {{A}_{i}}{{{\mathbf{\hat{n}}}}_{i}} \right)\times \left( {{B}_{j}}{{{\mathbf{\hat{n}}}}_{j}} \right)={{A}_{i}}{{B}_{j}}\ {{\mathbf{\hat{n}}}_{i}}\times {{\mathbf{\hat{n}}}_{j}}={{\varepsilon }_{ijk}}{{A}_{i}}{{B}_{j}}{{\mathbf{\hat{n}}}_{k}}</math>

 

 

<math>{{\varepsilon }_{ijk}}=\left\{ \begin{align}