翻訳と辞書 Words near each other ・ Fish Creek Falls ・ Fish Creek Island ・ Fish Creek Mountains ・ Fish Creek Mountains (California) ・ Fish Creek Mountains Wilderness ・ Fish Creek Provincial Park ・ Fish Creek railway station ・ Fish Creek Range ・ Fish Creek – Lacombe ・ Fish Creek, Florida ・ Fish Creek, Georgia ・ Fish Creek, Victoria ・ Fish Creek, Wisconsin ・ Fish crow ・ Fish curry ・ Fish curve ・ Fish decoy ・ Fish development ・ Fish diseases and parasites ・ Fish doctor ・ Fish dropsy ・ Fish drum ・ Fish Dude ・ Fish eagle ・ Fish egg fossil ・ Fish emulsion ・ Fish Express ・ Fish factory ・ Fish family ・ Fish Farm Mounds State Preserve Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Fish curve ： ウィキペディア英語版 Fish curve A fish curve is an ellipse negative pedal curve that is shaped like a fish. In a fish curve, the pedal point is at the focus for the special case of the eccentricity $e^2=\backslash frac$. Fish curves can correspond to ellipses with parametric equations. In mathematics, parametric equations are a method of expressing a set of related quantities as explicit functions of a number of independent variables, known as "parameters." For example, rather than a function relating variables ''x'' and ''y'' in a Cartesian coordinate system such as $y=f(x)$, a parametric equation describes a position along the curve at time ''t'' by $x=g(t)$ and $y=h(t)$. Then x and y are related to each other through their dependence on the parameter ''t''. The fish curve is a kinematical example, using a time parameter to determine the position, velocity, and other information about a body in motion. ==Equations== the corresponding fish curve has parametric equations: :$\backslash textstyle\; ,\; \backslash qquad\; y=a\backslash cos(t)\backslash sin(t)\}$ For an ellipse with the parametric equations: :$\backslash textstyle\; \}\}$ and the Cartesian equation is: :$-2a^4\; \backslash sqrt\; a^3\; x-2a^2\backslash left(x^2-5y^2\backslash right)+\backslash left(2x^2+y^2\backslash right)^2+2\; \backslash sqrt\; ax\backslash left(2x^2-3y^2\backslash right)+2a^2\backslash left(y^2-x^2\backslash right)=0$, which, when the origin is translated to the node, can be written as:〔〔 :$\backslash left(2x^2+y^2\backslash right)^2+2\; \backslash sqrt\; ax\backslash left(2x^2-3y^2\backslash right)+2a^2\backslash left(y^2-x^2\backslash right)=0$ 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Fish curve」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.