Explicit Ramanujan-type approximations to pi of higher order (Q1108311)
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scientific article; zbMATH DE number 4067012
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Explicit Ramanujan-type approximations to pi of higher order |
scientific article; zbMATH DE number 4067012 |
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Explicit Ramanujan-type approximations to pi of higher order (English)
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1987
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The authors record the results of their systematic attempts to exploit Ramanujan's Nth order modular equations for \(N=3,7,11,15\) and 23 to make explicit, in very simple form, recursive algebraic approximations to \(\pi\) that exhibit a staggering rate of convergence. [See also their recent article in Ramanujan revisited, Proc. Conf., Urbana-Champaign/Illinois 1987, 359-374 (1988; Zbl 0652.10019).]
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Ramanujan's Nth order modular equations
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recursive algebraic approximations to \(\pi \)
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