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#229 - Parse black-box system with variable dimension #271

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Jan 3, 2024
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#229 - Parse black-box system with variable dimension #271

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6 changes: 5 additions & 1 deletion src/macros.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -422,7 +422,11 @@ function extract_dyn_equation_parameters(equation, state, input, noise, dim, AT)
# the dimension argument needs to be a iterable
isnothing(dim) &&
throw(ArgumentError("for a blackbox system, the dimension has to be defined"))
dim_vec = [dim...]
if dim isa Symbol
dim_vec = [dim]
else
dim_vec = [dim...]
end
push!(rhs_params, extract_blackbox_parameter(rhs, dim_vec)...)

# if rhs is a single term => affine system (e.g. A*x, Ax, 2x, x or 0)
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4 changes: 4 additions & 0 deletions test/@system.jl
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Expand Up @@ -188,6 +188,10 @@ end
# allow for arbitrary input with definition for rhs of the form f_(x_, u_)
sys = @system(x' = f1(x, u123), x ∈ X, u123 ∈ U, dims = (2, 3))
@test sys == ConstrainedBlackBoxControlContinuousSystem(f1, 2, 3, X, U)
# parametric dimension
n = 3
sys = @system(x' = f1(x), dim:n)
@test sys == BlackBoxContinuousSystem(f1, 3)
end

# ==================
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