id summary reporter owner description type status priority milestone component resolution keywords cc merged author reviewer upstream work_issues branch commit dependencies stopgaps
28390 Taylor series should raise an error if derivative not defined. klui "I think an error should be raised in the following example:
{{{#!python
sage: f(x) = x**(1/3); f
x |--> x^(1/3)
sage: f.taylor(x,0,3)
x |--> x^(1/3)
}}}
" defect new minor sage-9.7 calculus taylor series polynomial N/A