diff --git a/src/plot_displacement.m b/src/octave/plot_displacement.m
similarity index 100%
rename from src/plot_displacement.m
rename to src/octave/plot_displacement.m
diff --git a/src/plot_neumann.m b/src/octave/plot_neumann.m
similarity index 100%
rename from src/plot_neumann.m
rename to src/octave/plot_neumann.m
diff --git a/src/plot_state.m b/src/octave/plot_state.m
similarity index 100%
rename from src/plot_state.m
rename to src/octave/plot_state.m