File:Excel error.PNG
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| Description |
English: A simple test of Excle spreadsheet accuracy; the plotted function is identically zero, but Excel calculates an oscillating value of about ±2× 10−16. |
| Date | |
| Source | Own work |
| Author | Brews ohare |
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I, the copyright holder of this work, hereby publish it under the following licenses:
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 07:56, 9 April 2010 | | 652 × 337 (79 KB) | Brews ohare (talk | contribs) | Correct sign error in x-axis label |
| 07:46, 9 April 2010 |  | 652 × 337 (79 KB) | Brews ohare (talk | contribs) | Excel error for simple function (1 + Δ) − 1 − Δ; because Excel uses 32 bits, when is a multiple of Δ = 2<sup>−32</sup>, the error is zero; otherwise round-off error occurs. | |
| 02:23, 9 April 2010 |  | 650 × 684 (131 KB) | Brews ohare (talk | contribs) | Correct sign error | |
| 02:05, 9 April 2010 |  | 650 × 684 (131 KB) | Brews ohare (talk | contribs) | Add second example in lower panel | |
| 00:20, 9 April 2010 |  | 667 × 348 (69 KB) | Brews ohare (talk | contribs) | Add data points and fix log scale | |
| 23:38, 8 April 2010 |  | 666 × 348 (57 KB) | Brews ohare (talk | contribs) | {{Information |Description={{en|1=A simple test of Excle spreadsheet accuracy; the plotted function is identically zero, but Excel calculates an oscillating value of about ±2× 10<sup>−16</sup>. }} |Source={{own}} |Author=[[User:Brews ohare|Brews ohare |
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