I gratefully acknowledge the contribution of the following people in 
developing ControlKit.

rlt.sci and other functions has  been  developed  by  Ishan   Pendharkar
at the Indian Institute of Technology Bombay, India.
Information about RLTOOL can be found at
http://www.ee.iitb.ac.in/uma/~ishan/scilab/rltool.htm



The following (modified) functions contributed by Jose Paulo
Vilela Soares da Cunha (E-mail: jpaulo@ieee.org), Department of Electronics
and Telecommunication Engineering, State University of Rio de Janeiro -
Brazil, have been added.

bode.sci
nyquist.sci
black.sci
gainplot.sci
repfreq.sci



To make this toolbox self contained, the following relevant files
from Stephane Mottlet's Graphics toolbox have been added the the
macros/ folder.

loadDefaultGraphicState.sci
loadGraphicState.sci
saveGraphicState.sci
graphinit.sci 
fig.sci
