...Given a curve represented by a differentiable function y = f ( x ), the tangent to the curve at a point ( a , f ( a )) on the curve is y - f ( a ) = f '( a )( x - a ), so the slope of the tangent is f '( a ). From [Vector Analysis] ...Let us write the n-th component of a vector field F at a point on S as F n , define a surface integral such that: *Some terminology explanations that mention "gradient" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…微分可能な関数y=f(x)で表される曲線が与えられたとき,その上の点(a,f(a))における曲線の接線はy-f(a)=f’(a)(x-a)で表されるから,その接線のこう配はf’(a)である。 【ベクトル解析】より…S上の点でのベクトル場Fのn成分をFnと書くことにし,なる面積分を定義して,これをSを通過するベクトル流vector fluxという。 ※「gradient」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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