diff --git a/src/phaseshift/matrix_operations.py b/src/phaseshift/matrix_operations.py
index 30671ad..2a5cfe0 100644
--- a/src/phaseshift/matrix_operations.py
+++ b/src/phaseshift/matrix_operations.py
@@ -411,3 +411,6 @@ def matrix_interleave(
         output = output @ (mixing_layer * mask)
 
     return output
+
+def jx_matrix(n):
+    return
\ No newline at end of file