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function [stk,txt,top]=sci_ss()
// Copyright INRIA
txt=[]
// sys=ss(A,B,C,D,Ts)
if stk(top-rhs+1)(5)=='1' then //SS(A,B,C,D,Ts) assumed
dom='''c'''
if rhs>=5 then
if stk(top-rhs+5)(5)=='1' then
dom=stk(top-rhs+5)(1),
else
set_infos('fifth argument of ss ignored',2)
end
end
if rhs>=4 then
A=stk(top-rhs+1)(1)
B=stk(top-rhs+2)(1)
C=stk(top-rhs+3)(1)
D=stk(top-rhs+4)(1)
stk=list('syslin'+rhsargs([dom,A,B,C,D]),'0','?','?','15')
elseif rhs==1 then
D=stk(top-rhs+1)(1)
stk=list('syslin'+rhsargs([dom,'[]','[]','[]',D]),'0','?','?','15')
end
else //SYS = SS(SYS)
RHS=[]
for k=1:rhs
RHS=[stk(top)(1),RHS]
top=top-1
end
top=top+1
set_infos(['ss(sys) syntax not yet handled';
'matlab syntax used'],2)
stk=list('ss'+rhsargs(RHS),'0',w(1,1),w(1,2),w(1,3))
end
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