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Main Author: Alferov, Oleg S.
Format: Preprint
Published: 2023
Subjects:
Online Access:https://arxiv.org/abs/2403.09654
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author Alferov, Oleg S.
author_facet Alferov, Oleg S.
contents We present a simple recurrent formula to generate the Machin-like expression for calculating $π/4$. The method works for any denominator in the starting term and always provides a finite decomposition. We show that the terms in the Machin-like formula decrease so rapidly that the Lehmer's measure can be made arbitrarily small only by selecting the first term. We introduce the concept of the partial Machin-like formula. While the growth of the integer numbers may quickly render the computer implementation impractical, the same reason restricts the total contribution of the high terms. If the required precision is known in advance, the subset of the expression may be selected to satisfy it. We also present the Python program to compute the terms of the Machin-like formula (full and partial), and its Lehmer's measure.
format Preprint
id arxiv_https___arxiv_org_abs_2403_09654
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle A Rapidly Converging Machin-like Formula for $π$
Alferov, Oleg S.
General Mathematics
We present a simple recurrent formula to generate the Machin-like expression for calculating $π/4$. The method works for any denominator in the starting term and always provides a finite decomposition. We show that the terms in the Machin-like formula decrease so rapidly that the Lehmer's measure can be made arbitrarily small only by selecting the first term. We introduce the concept of the partial Machin-like formula. While the growth of the integer numbers may quickly render the computer implementation impractical, the same reason restricts the total contribution of the high terms. If the required precision is known in advance, the subset of the expression may be selected to satisfy it. We also present the Python program to compute the terms of the Machin-like formula (full and partial), and its Lehmer's measure.
title A Rapidly Converging Machin-like Formula for $π$
topic General Mathematics
url https://arxiv.org/abs/2403.09654