Merge 956cb85 into e993f7b

JuliaControl · Oct 7, 2020 · 04e4164 · 04e4164
2 parents e993f7b + 956cb85
commit 04e4164
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/timeresp.jl b/src/timeresp.jl
@@ -70,7 +70,7 @@ impulse(sys::LTISystem, Tf::Real; kwags...) = impulse(sys, _default_time_vector(
 impulse(sys::LTISystem; kwags...) = impulse(sys, _default_time_vector(sys); kwags...)
 impulse(sys::TransferFunction, t::AbstractVector; kwags...) = impulse(ss(sys), t; kwags...)
 
-"""`y, t, x = lsim(sys, u, t; x0, method])`
+"""`y, t, x = lsim(sys, u[, t]; x0, method])`
 
 `y, t, x, uout = lsim(sys, u::Function, t; x0, method)`
 
@@ -136,6 +136,11 @@ function lsim(sys::StateSpace, u::AbstractVecOrMat, t::AbstractVector;
     return y, t, x
 end
 
+function lsim(sys::StateSpace{<:Discrete}, u::AbstractVecOrMat; kwargs...)
+    t = range(0, length=length(u), step=sys.Ts)
+    lsim(sys, u, t; kwargs...)
+end
+
 @deprecate lsim(sys, u, t, x0) lsim(sys, u, t; x0=x0)
 @deprecate lsim(sys, u, t, x0, method) lsim(sys, u, t; x0=x0, method=method)