• 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...
    1 KB (161 words) - 17:26, 8 August 2024
  • Thumbnail for Error function
    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...
    2 KB (172 words) - 03:50, 22 October 2022
  • 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...
    1,015 bytes (51 words) - 19:02, 17 August 2024
  • Thumbnail for ERF Medien
    (DVB-C). "ERF GlobalHope – Hoffnung in die Welt senden | ERF.de". ERF Medien. "ERF Medien Deutschland zieht positive Bilanz". GLAUBE.at. "ERF 1 - Satellite...
    2 KB (170 words) - 01:38, 7 September 2024
  • Thumbnail for ERF (gene)
    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...
    760 bytes (61 words) - 17:25, 7 April 2020
  • Thumbnail for Fresnel integral
    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
  • Thumbnail for Half-normal distribution
    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