This programm is to build the interpolation graphic by "Method Lagrange"
On the current state,my programm have some problems::
	interpolation graphic are view as connected lines for a bit
					numbers nodes

	No graphic faults
	new file:   FuncInterpolation.pro.user
	modified:   graphfunc.cpp
	modified:   graphfunc.h
	modified:   main.cpp
Merge branch 'master' of https://github.com/keekdown/samples_pro

It's ok ^-