Look up erf in Wiktionary, the free dictionary. Erf or ERF may refer to: Enerplus, a North American energy producer whose stock is listed as ERF under the...
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Error function (redirect from Erf(x))
function), often denoted by erf, is a function defined as: erf z = 2 π ∫ 0 z e − t 2 d t . {\displaystyle \operatorname {erf} z={\frac {2}{\sqrt {\pi }}}\int...
45 KB (6,818 words) - 08:15, 8 September 2024
an erf (pl. erven) is the legal term used in Namibia, South Africa and Eswatini to describe a piece of land registered in a deeds registry as an erf, lot...
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ERF was a British truck manufacturer established in 1933 by Edwin Richard Foden, from whose initials the company was named. Its factory in Middlewich...
10 KB (928 words) - 16:41, 20 May 2024
Keith Erf is an American politician who is a Republican Party member of the New Hampshire House of Representatives. In the chamber, he is vice chair of...
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(DVB-C). "ERF GlobalHope – Hoffnung in die Welt senden | ERF.de". ERF Medien. "ERF Medien Deutschland zieht positive Bilanz". GLAUBE.at. "ERF 1 - Satellite...
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ETS domain-containing transcription factor ERF is a protein that in humans is encoded by the ERF gene. GRCh38: Ensembl release 89: ENSG00000105722 – Ensembl...
6 KB (737 words) - 05:52, 25 July 2024
An ERF damper or electrorheological fluid damper, is a type of quick-response active non-linear damper used in high-sensitivity vibration control. Zhu...
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Fresnel that are used in optics and are closely related to the error function (erf). They arise in the description of near-field Fresnel diffraction phenomena...
21 KB (2,649 words) - 05:23, 18 July 2024
2 erf − 1 ( F ) {\displaystyle Q(F;\sigma )=\sigma {\sqrt {2}}\operatorname {erf} ^{-1}(F)} where 0 ≤ F ≤ 1 {\displaystyle 0\leq F\leq 1} and erf −...
9 KB (1,160 words) - 04:05, 9 July 2024