minimal realization
[slc]=minss( sl [,tol])
syslin lists (linear systems in state-space form)
syslin
real (threshold for rank determination (see contr))
contr
minss returns in slc a minimal realization of sl.
minss
slc
sl
sl=syslin('c',[1 0;0 2],[1;0],[2 1]); ssprint(sl); ssprint(minss(sl))