analysis: analysis::C2Functions::C2Product::value_with

def value_with_derivatives	(	self,
		x
	)

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

Parameters:

the point at which to evaluate the function

Returns:: (f(x), f'(x), f''(x))

Reimplemented from C2Function.

Definition at line 839 of file C2Functions.py.

00839                                        :
00840         y0, yp0, ypp0=self.left.value_with_derivatives(x)
00841         y1, yp1, ypp1=self.right.value_with_derivatives(x)
00842         return y0*y1, y1*yp0+y0*yp1, ypp0*y1+2.0*yp0*yp1+ypp1*y0
00843 
##