Subsetting a 2D numpy array

I have looked into documentations and also other questions here, but it seems I have not got the hang of subsetting in numpy arrays yet. I have a numpy array, and for the sake of argument, let it …

Finding all the subsets of a set

I need an algorithm to find all of the subsets of a set where the number of elements in a set is n. S={1,2,3,4…n} Edit: I am having trouble understanding the answers provided so far. I would like …