up

Author: vyudu

docs/src/introduction_to_catalyst/introduction_to_catalyst.md

@@ -85,13 +85,10 @@ Catalyst also has functionality for visualizing networks using the [Makie](https
 plotting ecosystem. The relevant packages to load are Catalyst, GraphMakie, and a Makie backend
 such as GLMakie. Doing so and then using the `plot_network` function allows us to 
 visualize the network: 
-```julia
+```@example tut1
 using Catalyst, GraphMakie, GLMakie
 g = plot_network(rn)
 ```
-giving
-
-![Repressilator solution](../assets/repressilator_graph_makie.png)
 
 The network graph shows a variety of information, representing each species as a
 blue node, and each reaction as an orange dot. Black arrows from species to

docs/src/model_creation/network_analysis.md

@@ -31,11 +31,10 @@ In the [Introduction to Catalyst](@ref introduction_to_catalyst)
 tutorial we showed how the above network could be visualized as a
 species-reaction graph. There, species are represented by the nodes of the graph
 and edges show the reactions in which a given species is a substrate or product.
-```julia
+```@example s1
 using Catalyst, GraphMakie, GLMakie
 g = plot_network(repressilator)
 ```
-![Repressilator solution](../assets/repressilator_graph_makie.png)
 
 We also showed in the [Introduction to Catalyst](@ref introduction_to_catalyst) tutorial that
 the reaction rate equation ODE model for the repressilator is