370 Chapter 6. Function Reference
# Now look at 1st order interpolation
[y1trsp,u1int] = trsp(P,u,{ord=1})
gph3 = ctrlplot([y1trsp,u1int]);
gph3 = plot(u,gph3,{line=0,marker=1,legend=...
["1st order interpolation";...
"interpolated input";"input data"],title=...
"Time response calculation comparisons"})?