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Published 20 hours ago • verified publisher icon gnu-octave

limit(1/x,x,0) without direction should be NaN

Open cbm755 opened this issue 9 years ago • 4 comments

or an error or something. SymPy's default to right-hand limit is not very intuitive.

I supposed I should just call SymPy with both - and + when user doesn't specify...

See here: https://github.com/sympy/sympy/pull/230

cbm755 avatar Aug 14 '14 13:08 cbm755

Also:

https://github.com/sympy/sympy/pull/8194

cbm755 avatar Jan 07 '15 15:01 cbm755

mm, maybe use a octsympy patch?, when the direction don't specified calc both and compare.

latot avatar Sep 27 '16 19:09 latot

mm, both issues are closed in upstream but don't is fixed...

latot avatar Sep 27 '16 19:09 latot

https://github.com/sympy/sympy/issues/11667

latot avatar Sep 27 '16 19:09 latot