diff --git a/.gitignore b/.gitignore
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--- a/.gitignore
+++ b/.gitignore
@@ -1,9 +1 @@
 .ipynb_checkpoints
-data.out
-raw.out
-plot.png
-
-main
-
-*.o
-*.mod
diff --git a/README.md b/README.md
new file mode 100644
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--- /dev/null
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+The generic_rk module is an attempt to modularize solvers for ordinary differential equations (ODEs).
+
+Below is the result of an example problem known as the Brusselator using an adaptive timestep control. The first subplot shows the raw results of $y_1$ and $y_2$ within the range $t \in [0, 20]$. The second subplot shows the acceptable $dt$ used throughout the simulation.
+
+$$
+\begin{array}{r l}
+y_1' &=& 1 + y_1^2 y_2 -4y_1 \\
+y_2' &=& 3y_1 - y_1^2 y_2 \\
+\end{array}
+$$
+
+$$ y_1(0) = 1.5, ~~~ y_2(0) = 3, ~~~ t \in [0, 20]$$
+
+![alt text] [sample plot]
+
+
+[sample plot]: ./plot.png
diff --git a/obj/.gitignore b/obj/.gitignore
index e69de29..a0c6846 100644
--- a/obj/.gitignore
+++ b/obj/.gitignore
@@ -0,0 +1,2 @@
+*.o
+*.mod
diff --git a/plot.png b/plot.png
new file mode 100644
index 0000000..60ab816
Binary files /dev/null and b/plot.png differ
diff --git a/src/test/.gitignore b/src/test/.gitignore
index e69de29..fa7de1c 100644
--- a/src/test/.gitignore
+++ b/src/test/.gitignore
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+plot.png
+data.out
+raw.out
diff --git a/src/test/bin/.gitignore b/src/test/bin/.gitignore
index e69de29..9e98c40 100644
--- a/src/test/bin/.gitignore
+++ b/src/test/bin/.gitignore
@@ -0,0 +1,2 @@
+main
+main.exe
diff --git a/src/test/obj/.gitignore b/src/test/obj/.gitignore
index e69de29..a0c6846 100644
--- a/src/test/obj/.gitignore
+++ b/src/test/obj/.gitignore
@@ -0,0 +1,2 @@
+*.o
+*.mod