Unsupervised Learning: Difference between revisions
Line 26: | Line 26: | ||
<math> | <math> | ||
= \nabla \sum_{j=1}^{k} \sum_{i\mid z(i)=j} \Vert x^{(i)} - \mu_{j} \Vert ^2 | = \nabla \sum_{j=1}^{k} \sum_{i\mid z(i)=j} \Vert x^{(i)} - \mu_{j} \Vert ^2 | ||
</math><br> | </math><br> | ||
<math> | <math> |