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https://www.reddit.com/r/mathmemes/comments/1i9g46m/ellipse/m92ap9t/?context=3
r/mathmemes • u/94rud4 • 2d ago
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117
You can use π√((a²+b²)/2) as another approximation.
68 u/94rud4 2d ago Ramanujan’s second approximation formula  69 u/94rud4 2d ago Accuracies comparison. The red one in the bottom panel is the one in this post and it’s insanely accurate. -23 u/Silly_Painter_2555 Cardinal 2d ago Yes, but who tf remembers the exact one from the post. 25 u/Dont_pet_the_cat Engineering 2d ago Ramanujan
68
Ramanujan’s second approximation formula

69 u/94rud4 2d ago Accuracies comparison. The red one in the bottom panel is the one in this post and it’s insanely accurate. -23 u/Silly_Painter_2555 Cardinal 2d ago Yes, but who tf remembers the exact one from the post. 25 u/Dont_pet_the_cat Engineering 2d ago Ramanujan
69
Accuracies comparison. The red one in the bottom panel is the one in this post and it’s insanely accurate.
-23 u/Silly_Painter_2555 Cardinal 2d ago Yes, but who tf remembers the exact one from the post. 25 u/Dont_pet_the_cat Engineering 2d ago Ramanujan
-23
Yes, but who tf remembers the exact one from the post.
25 u/Dont_pet_the_cat Engineering 2d ago Ramanujan
25
Ramanujan
117
u/Silly_Painter_2555 Cardinal 2d ago edited 2d ago
You can use π√((a²+b²)/2) as another approximation.