1 files changed, 13 insertions, 0 deletions
diff --git a/abcd2ABCD.m b/abcd2ABCD.m
new file mode 100644
index 0000000..74faa2c
--- /dev/null
+++ b/abcd2ABCD.m
@@ -0,0 +1,13 @@
+function [A, B, C, D] = abcd2ABCD( abcd_matrix )
+% decompose  abcd matrix to its coefficients
+%          | A   B |
+%   abcd = |       |
+%          | C   D |
+
+A = abcd_matrix(1,1);
+B = abcd_matrix(1,2);
+C = abcd_matrix(2,1);
+D = abcd_matrix(2,2);
+
+end
+