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Re^2: Irrational numbers

by grondilu (Pilgrim)
on Dec 18, 2012 at 12:03 UTC ( #1009348=note: print w/ replies, xml ) Need Help??


in reply to Re: Irrational numbers
in thread Irrational numbers

I would almost certainly need that. To display the result up to a certain accuracy, I assumed in the code above that the distance between two consecutive terms gets smaller and smaller. It's always possible to find a subsequence with such a property so we can define all reals as such.

I'm not sure this property is conserved with the arithmetic operations as defined above. So I would need a rigorous way of dealing with the sum or product of terms whose precision is known up to a given accuracy.

So: thanks, that'll be useful if I ever want to implement this thing for real.


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