def value_with_derivatives (   self,
  x 
)

get the value of the function, and its first & second derivative

Parameters:
x the point at which to evaluate the function
Returns:
(f(x), f'(x), f''(x))

Reimplemented from C2Function.

Definition at line 592 of file C2Functions.py.

00592                                        :
00593         return  native(_myfuncs.log(x), 1/x, -1/(x*x))
##


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