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 2020-12-28 19:11:36 +0200 received badge ● Popular Question (source) 2015-04-15 20:31:13 +0200 received badge ● Notable Question (source) 2015-04-15 20:31:13 +0200 received badge ● Popular Question (source) 2014-10-01 09:50:04 +0200 commented answer plotting points I made some changes (that I did wrong in pointing out circles), and now your idea for points works perfectly. thank you 2014-10-01 08:47:49 +0200 commented answer plotting points but it doesn't work for lager r (when r=2,3,4) 2014-09-30 22:39:54 +0200 commented question plotting points also I don't know why I get four, and not two solutions for points 2014-09-30 21:24:22 +0200 received badge ● Editor (source) 2014-09-30 21:22:38 +0200 asked a question plotting points How can I show points that I get as the result in line 11? I have that two circles, but I do not know how to get points on the graph. var('x, y') ft = (x+1)^2-(y)^2-1 f=circle((-1,0), 1) p = plot(f,-5,5, thickness=2) @interact def _(r=(1..4)): g = circle((1,0), r) pt = plot(g,-5, 5, color='green', thickness=2) gt= (x-1)^2+ y^2-r pot = solve([ft,gt], x, y) html('$tocke=\;%s$'%latex(pot)) show( p + pt, ymin = -5, ymax = 4)  2014-09-26 10:24:54 +0200 received badge ● Student (source) 2014-09-25 17:36:03 +0200 commented answer Sage Notebook vs. Sage Cloud thank you! 2014-09-25 17:17:01 +0200 received badge ● Scholar (source) 2014-09-25 16:22:10 +0200 asked a question Sage Notebook vs. Sage Cloud What is the difference between Sage Notebook and SageCloud? And can anybody give me a link or sugestion how SageCloud works (Where is the server? e.t.c)?