I have the following sequences of numbers:

1) 32, 16, 8, 4, 2, 1

2) 32, 16, 8, 2, 1, 0.5

3) 32, 16, 4, 2, 1, 0.5,

4) 32, 16, 4, 1, 0.25, 0.0625

I'm interested which of the above has the fastest rate of convergence.

(mathematical formula is needed). I should be able to plot the rates of

convergence against each other, and it should be concluded from the plot.

(The data given above are just the illustration)