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Fix a minor issue in generate_initializesystem #2627

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Merged
merged 1 commit into from
Apr 10, 2024
Merged

Fix a minor issue in generate_initializesystem #2627

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2 changes: 1 addition & 1 deletion src/systems/nonlinear/initializesystem.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -62,7 +62,7 @@ function generate_initializesystem(sys::ODESystem;
end
else
dd_guess = Dict()
filtered_u0 = u0map
filtered_u0 = todict(u0map)
end

defs = merge(defaults(sys), filtered_u0)
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12 changes: 12 additions & 0 deletions test/odesystem.jl
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Expand Up @@ -1030,3 +1030,15 @@ sol2 = @test_nowarn solve(prob2, Tsit5())
@test_nowarn @mtkbuild sys = ODESystem([D(x) ~ p * x, D(y) ~ x' * p * x], t)
@test_nowarn ODEProblem(sys, [x => ones(3), y => 2], (0.0, 10.0), [p => ones(3, 3)])
end

@parameters g L
@variables q₁(t) q₂(t) λ(t) θ(t)

eqs = [D(D(q₁)) ~ -λ * q₁,
D(D(q₂)) ~ -λ * q₂ - g,
q₁ ~ L * sin(θ),
q₂ ~ L * cos(θ)]

@named pend = ODESystem(eqs, t)
@test_nowarn generate_initializesystem(
pend, u0map = [q₁ => 1.0, q₂ => 0.0], guesses = [λ => 1])