Fuzzy cmeans pseudo-algorithm:
1 . Select an initial fuzzy pseudo-partition, i.e., assign
values to all δij
2. Repeat
3. Compute centroid of each cluster using the fuzzy partition
4. Update the fuzzy partition, i.e, the δij
5. Until the centroids don’t change.
In each iteration of the FCM algorithm, the following objective function
J is minimized: