Never mind the plots (you can paste plots in the Web editor, but they do not record...).
Instead, see this minimal example <https://cloud.sagemath.com/projects/ec50c702-c618-4167-be42-ec4381d49144/files/Minimal%20numerical%20integration%20problem%20demonstration.sagews> on Sagemath cloud. Any idea ? -- Emmanuel Charpentier -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com. Visit this group at http://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.