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asked 2017-05-08 10:16:40 -0500

stan gravatar image

ValueError: rtol too small

Since Sage 7.3, I keep getting the following error whenever I use find_root():

ValueError: rtol too small (4.5e-16 < 8.88178e-16)

If is explicitly set e.g. find_root(expr1, 0,1, rtol=1e-6), then it runs without problems, but it is a bit tedious to change all my code and pass rtol to find_root(). Does anyone know if the default value has been changed, and if so, how it could be reset globally for a whole jupyter notebook? Thanks!