failed to run `@example` block in src/tutorials/helmholtz.md:51-70 ```@example helmholtz phi = pinn.phi xs, ys= [infimum(d.domain):0.01:supremum(d.domain) for d in domains] u_analytic(x,y) = sinpi(a1*x)*sinpi(a2*y) u_real = [u_analytic(x,y) for x in xs, y in ys] u_pred = [sum(phi(([x,y]), ps)) for x in xs, y in ys] using CairoMakie axis = (xlabel="x", ylabel="y", title="Analytical Solution") fig, ax1, hm1 = heatmap(xs, ys, u_real, axis=axis) Colorbar(fig[:, end+1], hm1) ax2, hm2= heatmap(fig[1, end+1], xs, ys, u_pred, axis= merge(axis, (;title = "Prediction"))) Colorbar(fig[:, end+1], hm2) ax3, hm3 = heatmap(fig[1, end+1], xs, ys, abs.(u_pred-u_real), axis= merge(axis, (;title = "Absolute Error"))) Colorbar(fig[:, end+1], hm3) fig save("helmholtz.png", fig); nothing # hide ``` exception = UndefVarError: `ps` not defined Stacktrace: [1] (::Main.__atexample__named__helmholtz.var"#5#6")(::Tuple{Float64, Float64}) @ Main.__atexample__named__helmholtz ./none:0 [2] iterate @ ./generator.jl:47 [inlined] [3] collect(itr::Base.Generator{Base.Iterators.ProductIterator{Tuple{StepRangeLen{Float64, Base.TwicePrecision{Float64}, Base.TwicePrecision{Float64}, Int64}, StepRangeLen{Float64, Base.TwicePrecision{Float64}, Base.TwicePrecision{Float64}, Int64}}}, Main.__atexample__named__helmholtz.var"#5#6"}) @ Base ./array.jl:782 [4] top-level scope @ helmholtz.md:58 [5] eval @ ./boot.jl:370 [inlined] [6] #54 @ ~/.julia/packages/Documenter/nQAq5/src/expander_pipeline.jl:738 [inlined] [7] cd(f::Documenter.var"#54#56"{Module, Expr}, dir::String) @ Base.Filesystem ./file.jl:112 [8] (::Documenter.var"#53#55"{Documenter.Page, Module, Expr})() @ Documenter ~/.julia/packages/Documenter/nQAq5/src/expander_pipeline.jl:737 [9] (::IOCapture.var"#3#5"{DataType, Documenter.var"#53#55"{Documenter.Page, Module, Expr}, Task, IOContext{Base.PipeEndpoint}, IOContext{Base.PipeEndpoint}, IOContext{Base.PipeEndpoint}, IOContext{Base.PipeEndpoint}})() @ IOCapture ~/.julia/packages/IOCapture/8Uj7o/src/IOCapture.jl:119 [10] with_logstate(f::Function, logstate::Any) @ Base.CoreLogging ./logging.jl:514 [11] with_logger @ ./logging.jl:626 [inlined] [12] capture(f::Documenter.var"#53#55"{Documenter.Page, Module, Expr}; rethrow::Type, color::Bool) @ IOCapture ~/.julia/packages/IOCapture/8Uj7o/src/IOCapture.jl:116 [13] runner(#unused#::Type{Documenter.Expanders.ExampleBlocks}, node::MarkdownAST.Node{Nothing}, page::Documenter.Page, doc::Documenter.Document) @ Documenter ~/.julia/packages/Documenter/nQAq5/src/expander_pipeline.jl:736

invalid local link/image: file does not exist in src/tutorials/helmholtz.md link = @ast MarkdownAST.Image("helmholtz.png", "") do MarkdownAST.Text("") end

Process completed with exit code 1.