https://gdpark.blog/tags/ellipse/Recent content in Ellipse on gdpark.blogHugoenMon, 06 Nov 2017 00:00:00 +0000https://gdpark.blog/posts/classical-mechanics-09-kepler-s-laws-ellipse-law-equal-area-law-and-harmonic-law-pa/Thu, 25 Jun 2015 00:00:00 +0000https://gdpark.blog/posts/classical-mechanics-09-kepler-s-laws-ellipse-law-equal-area-law-and-harmonic-law-pa/We derive the polar equation of an ellipse straight from its definition, then match it to the orbital equation — and yeah, gravity really does give you ellipses!!!https://gdpark.blog/posts/classical-mechanics-27-angle-between-the-ellipse-axis-and-the-x-axis/Mon, 06 Nov 2017 00:00:00 +0000https://gdpark.blog/posts/classical-mechanics-27-angle-between-the-ellipse-axis-and-the-x-axis/Finally worked out the actual derivation for the angle ψ the ellipse’s major axis makes with the x-axis — something my textbook just handed me without proof and I never questioned until now.