∂:修订间差异
删除的内容 添加的内容
无编辑摘要 |
|||
第14行: | 第14行: | ||
这一符号在英语中可以读作“del”,<ref>{{Citation |first=R.S. |last=Bhardwaj |year=2005 |title=Mathematics for Economics & Business |edition=2nd |page=6.4 |url=https://books.google.com/books?id=qSlGMwpNueoC&lpg=SA6-PA4&pg=SA6-PA4}}</ref>“dee”,<ref>{{Citation |first=Richard A. |last=Silverman |year=1989 |title=Essential Calculus: With Applications |page=216 |url=https://books.google.com/books?id=CQ-kqE9Yo9YC&lpg=PA216&pg=PA216}}</ref>“partial dee”,<ref>{{Citation |first=Malcolm |last=Pemberton |first2=Nicholas |last2=Rau |year=2011 |title=Mathematics for Economists: An Introductory Textbook |page=271 |url=https://books.google.com/books?id=H92Z6yfhxk8C&lpg=PA271&pg=PA271}}</ref>“partial”,“curly dee”,<ref>{{Citation |first=Elizabeth |last=Bowman |year=2014 |title=Video Lecture for University of Alabama in Huntsville |url=https://www.youtube.com/watch?v=I0AVgBgHhUg }}</ref>或“dabba”,<ref>Gokhale, Mujumdar, Kulkarni, Singh, Atal, ''Engineering Mathematics I'', [https://books.google.co.uk/books?id=CbIqX6TxJVMC&pg=SA10-PA2 p. 10.2], Nirali Prakashan ISBN 8190693549.</ref>中文一般读作「偏」。 |
这一符号在英语中可以读作“del”,<ref>{{Citation |first=R.S. |last=Bhardwaj |year=2005 |title=Mathematics for Economics & Business |edition=2nd |page=6.4 |url=https://books.google.com/books?id=qSlGMwpNueoC&lpg=SA6-PA4&pg=SA6-PA4}}</ref>“dee”,<ref>{{Citation |first=Richard A. |last=Silverman |year=1989 |title=Essential Calculus: With Applications |page=216 |url=https://books.google.com/books?id=CQ-kqE9Yo9YC&lpg=PA216&pg=PA216}}</ref>“partial dee”,<ref>{{Citation |first=Malcolm |last=Pemberton |first2=Nicholas |last2=Rau |year=2011 |title=Mathematics for Economists: An Introductory Textbook |page=271 |url=https://books.google.com/books?id=H92Z6yfhxk8C&lpg=PA271&pg=PA271}}</ref>“partial”,“curly dee”,<ref>{{Citation |first=Elizabeth |last=Bowman |year=2014 |title=Video Lecture for University of Alabama in Huntsville |url=https://www.youtube.com/watch?v=I0AVgBgHhUg }}</ref>或“dabba”,<ref>Gokhale, Mujumdar, Kulkarni, Singh, Atal, ''Engineering Mathematics I'', [https://books.google.co.uk/books?id=CbIqX6TxJVMC&pg=SA10-PA2 p. 10.2], Nirali Prakashan ISBN 8190693549.</ref>中文一般读作「偏」。 |
||
== 参阅 == |
|||
*[[Δ]] |
|||
*[[数学符号表]] |
|||
==参考资料== |
==参考资料== |
2018年5月5日 (六) 17:35的版本
数学符号∂ (HTML元素: ∂ 或 ∂, Unicode: U+2202) 或 是 d 的一种变体,主要用于表示偏导数,例如 (读作“z对x的偏导数”)[1]。
总览
这一符号于1786年由勒让德首次引入,但直到1841年雅可比的使用才使得它真正开始流行起来[2][3][4]。
∂ 也被用于表达以下含义:
这一符号在英语中可以读作“del”,[5]“dee”,[6]“partial dee”,[7]“partial”,“curly dee”,[8]或“dabba”,[9]中文一般读作「偏」。
参阅
参考资料
- ^ Christopher, Essex. Calculus : a complete course. 2013: 682. ISBN 9780321781079. OCLC 872345701.
- ^ Adrien-Marie Legendre, "Memoire sur la manière de distinguer les maxima des minima dans le Calcul des Variations," Histoire de l'Academie Royale des Sciences (1786), pp. 7–37.
- ^ Carl Gustav Jacob Jacobi, "De determinantibus Functionalibus," Crelle's Journal 22 (1841), pp. 319–352.
- ^ Aldrich, John. Earliest Uses of Symbols of Calculus. [16 January 2014].
- ^ Bhardwaj, R.S., Mathematics for Economics & Business 2nd: 6.4, 2005
- ^ Silverman, Richard A., Essential Calculus: With Applications: 216, 1989
- ^ Pemberton, Malcolm; Rau, Nicholas, Mathematics for Economists: An Introductory Textbook: 271, 2011
- ^ Bowman, Elizabeth, Video Lecture for University of Alabama in Huntsville, 2014
- ^ Gokhale, Mujumdar, Kulkarni, Singh, Atal, Engineering Mathematics I, p. 10.2, Nirali Prakashan ISBN 8190693549.