I'm trying to show the following argument but have a problem
If is the kth convergent of , show that for ,
I use that fact that
, and
etc,
we can see that is decreasing in steps.
But why instead of ?
Can anyone explain it to me? Thank you.
I'm trying to show the following argument but have a problem
If is the kth convergent of , show that for ,
I use that fact that
, and
etc,
we can see that is decreasing in steps.
But why instead of ?
Can anyone explain it to me? Thank you.