James Stewart《微积分》笔记·10.4 Areas and Lengths in Polar Coordinates(极坐标中的面积和长度) JackLin Lūcem sequor.9 人赞同了该文章 一、面积 如图记10.4-1所示,从“圆的一部分”角度考虑,半径为 r ,中心角(以弧度制测量)为 θ 的扇形的面积为 A=θ2π⋅πr2=12r2θ . 图记10.4-1 扇形 记...
Areas in polar coordinates (a) Find the area inside r=2cos(θ) but outside r=1. Area in Polar Coordinates: Findina an area of the region bounded by polar curves is done by using the formula A=∫ab12r2dθ where r is the radius and dθ is the differe...
(B and C) Planar (B) and linear (C) motion trajectories used in experiments 1 and 2 (for illustration arrow lengths are enlarged relative to the screen width of 24°). Inside the fixation disc a one-back character-matching task was presented at all times in both experiments, illustrated ...