Chris Garret rightly pointed out
that the two resistors could not be considered
as a summing junction on their own because
they connnected to the -ve input of the integrating OpAmp.
Changed structure of the FMMD analysis accordingly.
actually producting pdf files.
In each chapter directory, copy.tex
is the source file for the chapter.
A makefile should exist in each of these
directories, and this when supplied the arg copy
will make all images form dia/gnuplot etc