Round-off error: Revision history

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curprev 16:4816:48, 12 March 2024‎ 86.142.161.147 talk‎ 24,670 bytes +1‎ →‎Accumulation of roundoff error undo

curprev 21:3421:34, 3 March 2024‎ Cilisso talk contribs‎ 24,669 bytes +15‎ →‎IEEE standard: The significand is (according to notation above) the trailing significand field plus the sign bit undo

curprev 01:2101:21, 8 December 2023‎ Copyeditor42 talk contribs‎ 24,654 bytes +50‎ "mantissa" -> significand !! see article on significand undo

curprev 01:0301:03, 19 November 2023‎ Boh39083 talk contribs‎ m 24,604 bytes −230‎ move undo Tag: Manual revert
curprev 01:0101:01, 19 November 2023‎ Boh39083 talk contribs‎ 24,834 bytes +230‎ Some expirinced saw this but had no idea why. undo Tags: Reverted Disambiguation links added

curprev 06:2106:21, 26 August 2023‎ Fgnievinski talk contribs‎ 24,604 bytes +25‎ →‎See also undo

curprev 22:1222:12, 6 August 2023‎ Pololei talk contribs‎ 24,579 bytes −5‎ →‎Addition: Amended to reflect fact that no round-off error occurs when least significant figure in both floating-point numbers is zero undo

curprev 05:0105:01, 1 August 2023‎ 104.246.130.239 talk‎ 24,584 bytes +3‎ →‎Multiplication: was missing a space between 2 and p, so changed 2 to two to make it clear undo

curprev 04:5204:52, 18 May 2023‎ LaundryPizza03 talk contribs‎ 24,581 bytes +321‎ →‎Unstable algorithms: Example from the text undo
curprev 04:4404:44, 18 May 2023‎ LaundryPizza03 talk contribs‎ 24,260 bytes −1,079‎ →‎Unstable algorithms: Unsourced, and not a good example since these integrals can easily be computed directly undo

curprev 10:0310:03, 26 March 2023‎ OlliverWithDoubleL talk contribs‎ 25,339 bytes +106‎ short description, link undo Tags: Mobile edit Mobile app edit iOS app edit

curprev 15:0415:04, 20 February 2023‎ 103.102.120.210 talk‎ 25,233 bytes −69‎ →‎Division undo
curprev 15:0315:03, 20 February 2023‎ 103.102.120.210 talk‎ 25,302 bytes −40‎ →‎Multiplication undo
curprev 14:3914:39, 20 February 2023‎ 103.102.120.210 talk‎ 25,342 bytes −26‎ →‎Calculating roundoff error in IEEE standard undo

curprev 16:5216:52, 29 November 2022‎ David Eppstein talk contribs‎ 25,368 bytes +17‎ Undid revision 1124617280 by David Eppstein (talk) mouse slip, sorry bot undo Tag: Undo
curprev 16:5116:51, 29 November 2022‎ David Eppstein talk contribs‎ m 25,351 bytes −17‎ Reverted edits by Citation bot (talk) to last version by 2A02:3035:400:6B1B:90EF:2EC9:FCEF:35CA undo Tags: Rollback Reverted
curprev 14:2514:25, 29 November 2022‎ Citation bot talk contribs‎ 25,368 bytes +17‎ Add: s2cid. | Use this bot. Report bugs. | Suggested by Whoop whoop pull up | #UCB_webform 2888/3540 undo Tag: Reverted

curprev 18:4418:44, 28 November 2022‎ 2a02:3035:400:6b1b:90ef:2ec9:fcef:35ca talk‎ 25,351 bytes +54‎ Make the text regarding the representation of round-to-nearest floating points clearer undo

curprev 01:2201:22, 12 September 2022‎ Pololei talk contribs‎ 25,297 bytes +8‎ →‎Multiplication: Small improvement undo

curprev 23:5023:50, 11 September 2022‎ Pololei talk contribs‎ 25,289 bytes +90‎ →‎Addition: Correction and other improvements undo

curprev 02:4102:41, 4 September 2022‎ Hellacioussatyr talk contribs‎ 25,199 bytes +137‎ No edit summary undo Tag: 2017 wikitext editor

curprev 16:5316:53, 4 June 2022‎ Pololei talk contribs‎ 25,062 bytes +138‎ →‎Subtraction: Inserted mention of catastrophic cancellation undo
curprev 15:3915:39, 4 June 2022‎ Pololei talk contribs‎ 24,924 bytes +698‎ →‎Subtraction: Inserted mention of absorption applying to subtraction undo

curprev 16:2916:29, 31 May 2022‎ Pololei talk contribs‎ 24,226 bytes +496‎ →‎Addition: Inserted case of addition of two numbers of same order of magnitude resulting in round-off error when sum is order of magnitude greater undo
curprev 13:5013:50, 31 May 2022‎ Pololei talk contribs‎ 23,730 bytes +347‎ →‎Roundoff error caused by floating-point arithmetic: Some general improvements undo
curprev 12:2012:20, 31 May 2022‎ Pololei talk contribs‎ 23,383 bytes +6‎ Small improvements to reference undo
curprev 12:0112:01, 31 May 2022‎ Pololei talk contribs‎ 23,377 bytes +3‎ Reworded content for clarity, correctness and consistency with source undo

curprev 05:2905:29, 20 May 2022‎ Pololei talk contribs‎ 23,374 bytes 0‎ Undid revision 1019234634 by 195.72.148.231 (talk) Content erroneous and likely contrary to cited source undo Tag: Undo

curprev 01:0001:00, 22 April 2022‎ RJFJR talk contribs‎ 23,374 bytes −2,861‎ →‎Real world example: Patriot missile failure due to magnification of roundoff error: rem sect undo

curprev 21:4621:46, 11 March 2022‎ 2600:1700:1112:8aa0:14ac:8ee0:ed84:a4d1 talk‎ 25,874 bytes +5‎ this is only a suggestion. I do not have authorization to compete with scientists. undo Tags: Mobile edit Mobile web edit

curprev 12:1112:11, 16 February 2022‎ Taylor Riastradh Campbell talk contribs‎ 25,869 bytes +252‎ Undid revision 1056121736 by Macrakis (talk) The example reverted is precisely about multiple rounding -- first to 64 bits and then to 53 bits, just like the worked example is to 2 digits and then to 1 digit. Nothing is more or less "inherent" about rounding in decimal as in the worked example or in binary as on an x86 CPU. Macrakis: If you still think this is problematic, can you please explain the issue in the talk page? undo Tag: Undo

curprev 21:3321:33, 19 November 2021‎ Macrakis talk contribs‎ 25,617 bytes −252‎ Section is about error from multiple rounding, not the inherent rounding error undo Tag: Reverted
curprev 21:0321:03, 19 November 2021‎ Taylor Riastradh Campbell talk contribs‎ 25,869 bytes +140‎ →‎Representation error: Replace unhelpful reference by a more likely example. undo

curprev 13:5013:50, 4 August 2021‎ Kawautar talk contribs‎ 25,729 bytes −136‎ →‎Ill-conditioned problems undo
curprev 13:5013:50, 4 August 2021‎ Kawautar talk contribs‎ 25,865 bytes −996‎ →‎Ill-conditioned problems: Removed the example of Runge's phenomena as that is not a round-off error. It is a truncation error, where a function is getting approximated by a polynomial. undo

curprev 00:0600:06, 22 May 2021‎ Tom.Reding talk contribs‎ m 26,861 bytes −1‎ +{{Authority control}} (3 IDs from Wikidata), WP:GenFixes on undo Tag: AWB

curprev 06:2806:28, 22 April 2021‎ 195.72.148.231 talk‎ 26,862 bytes 0‎ No edit summary undo Tag: Reverted

curprev 22:4122:41, 7 April 2021‎ Beland talk contribs‎ 26,862 bytes +176‎ new section: Further reading undo

curprev 04:1004:10, 28 February 2021‎ Joeleoj123 talk contribs‎ m 26,686 bytes +4‎ Even if you round once, errors can still accumulate. For example: floor(1/3)*100 is less precise than floor(1*100)/3. undo

curprev 17:5617:56, 23 February 2021‎ Officiallyover talk contribs‎ 26,682 bytes +47‎ →‎Ill-conditioned problems: Captions help say what the figures are showing w/o hunting thru text undo

curprev 08:0608:06, 9 December 2020‎ Goodone121 talk contribs‎ m 26,635 bytes +31‎ →‎Real world example: Patriot missile failure due to magnification of roundoff error: corrected the then-name of GAO undo

curprev 12:2512:25, 13 November 2020‎ Rich Farmbrough talk contribs‎ 26,604 bytes +118‎ →‎Subtractive cancellation: Completely missed the point on the first example. The second example needs more work. undo

curprev 03:4903:49, 27 October 2020‎ Thoushawnotpass talk contribs‎ 26,486 bytes −10‎ grammar undo Tag: Visual edit

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