I am trying to see if the performance of both can be compared based on the objective functions they work on?

I have some dots in a 3 dimensional space and would like to cluster them. I know Pythons module "cluster", but it has only K-Means. Do you know a module which has FCM (Fuzzy C-Means)? (If you know...

So I am at a cross roads on what to do next, I set out to learn and apply some machine learning algorithms on a complicated dataset and I have now done this. My plan from the very beginning was to ...