The objective function of kernel K-means is $$      \sum\limits_{c=1}^k \sum\nolimits_{a_i \in c}   w_i \Vert \phi(a_i)- m_c \Vert^2 \ $$where$$ m_c = \frac{\sum\nolimits_{a_i \in c }w_i\phi(a_i)}{\sum\nolimits_{a_i \in c  }w_i}  $$I need to know how to determine wi 
How to set weight in Weighted Kernel K-Means?
machine learning;data mining;clustering;k means;clusters