File: tf2ss.man

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.TH tf2ss 1 "April 1993" "Scilab Group" "Scilab Function"
.so ../sci.an 
.SH NAME
tf2ss - transfer to state-space
.SH CALLING SEQUENCE
.nf
sl=tf2ss(h [,tol])
.fi
.SH PARAMETERS
.TP
h
: rational matrix
.TP
tol  
: may be the constant rtol or the 2 vector \fV[rtol atol]\fR
.RS
.TP 10
rtol
:tolerance used when evaluating observability.
.TP
atol
:absolute tolerance used when evaluating observability.
.RE
.TP
sl
: linear system (\fVsyslin\fR list \fVsl=[A,B,C,D(s)]\fR)
.SH DESCRIPTION
transfer to state-space conversion: 
.LP
\fVh=C*(s*eye()-A)^-1*B+D(s)\fR
.SH EXAMPLE
.nf
s=poly(0,'s');
H=[2/s,(s+1)/(s^2-5)];
Sys=tf2ss(H)
clean(ss2tf(Sys))
.fi
.SH SEE ALSO
ss2tf, tf2des, des2tf