diff --git a/lcapy/matrix.py b/lcapy/matrix.py
index 985f7d71..7c844472 100644
--- a/lcapy/matrix.py
+++ b/lcapy/matrix.py
@@ -191,6 +191,10 @@ def rewrite(self, *args, **hints):
         def f(x): return expr(x).rewrite(*args, **hints).sympy
         return self.applyfunc(f)
 
+    def simplify(self):
+
+        return self.applyfunc(simplify)
+
     def subs(self, *args, **kwargs):
         """Substitute variables in expression, see sympy.subs for usage."""