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This is a list of some vector calculus formulae for working with common curvilinear coordinate systems. == Notes == * This article uses the standard notation ISO 80000-2, which supersedes ISO 31-11, for spherical coordinates (other sources may reverse the definitions of ''θ'' and ''φ''): * * The polar angle is denoted by ''θ'': it is the angle between the ''z''-axis and the radial vector connecting the origin to the point in question. * * The azimuthal angle is denoted by ''φ'': it is the angle between the ''x''-axis and the projection of the radial vector onto the ''xy''-plane. * The function can be used instead of the mathematical function owing to its domain and image. The classical arctan function has an image of , whereas atan2 is defined to have an image of . 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「Del in cylindrical and spherical coordinates」の詳細全文を読む スポンサード リンク
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