tweak test

baggepinnen · May 9, 2024 · 94eb559 · 94eb559
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diff --git a/docs/src/ss.md b/docs/src/ss.md
@@ -117,7 +117,7 @@ The result of the identification with [`newpem`](@ref) is a custom type with ext
 Three distinct flavors of PEM exist in this package:
 - [`newpem`](@ref): Linear black-box model estimation (unstructured models)
 - [`structured_pem`](@ref): Linear structured model estimation (user-defined structure/gray box)
-- [`nonlinear_pem`](@ref): Nonlinear gray-box model estimation (e.g., ODE parameter estimation)
+- [`ControlSystemIdentification.nonlinear_pem`](@ref): Nonlinear gray-box model estimation (e.g., ODE parameter estimation)
 
 
 ### Usage example

diff --git a/test/test_arx.jl b/test/test_arx.jl
@@ -1,4 +1,4 @@
-using ControlSystemIdentification, MonteCarloMeasurements, ControlSystemsBase
+using ControlSystemIdentification, MonteCarloMeasurements, ControlSystemsBase, Test
 unsafe_comparisons(true)
 wtest = exp10.(LinRange(-3, log10(pi), 30))
 freqresptest(G, model) =
@@ -151,7 +151,7 @@ Gests = arx(d, na, nb, inputdelay = inputdelay, stochastic = true)
 
 ## with inputdelay
 G1 =  tf([0.3,0, 1], [1, -0.5, 0], 1)
-u = randn(1,N)
+u = @.(sin(t') + sign(sin(2t')))
 y = lsim(G1, u, t)[1][:]
 d = iddata(y, u, 1)
 na, nb, inputdelay = 1,3,0