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Volume 7, Issue 1, Article 21 |
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A Note On the Accuracy of Ramanujan's Approximative Formula for the Perimeter of an Ellipse
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Authors: |
Mark B. Villarino, |
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Keywords:
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Ramanujan's approximative formula, Best constants, Elliptic functions and integrals. |
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Date Received:
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27/06/05 |
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Date Accepted:
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19/11/05 |
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Subject Codes: |
26D15, 33E05, 41A44.
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Editors: |
Sever S. Dragomir, |
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Abstract: |
We present a detailed error analysis, with best possible constants, of Ramanujan's most accurate approximation to the perimeter of an ellipse.
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