Delete broken substitute methods in Expressionmain

1 files changed, 0 insertions, 23 deletions

diff --git a/polymatrix/expression/expression.py b/polymatrix/expression/expression.py
index 494a245..291560f 100644
--- a/polymatrix/expression/expression.py
+++ b/polymatrix/expression/expression.py
@@ -380,29 +380,6 @@ class Expression(ExpressionBaseMixin, ABC):
             ),
         )
 
-    def substitute(
-        self,
-        variable: tuple,
-        values: tuple["Expression", ...] = None,
-    ) -> "Expression":
-        return self.copy(
-            underlying=polymatrix.expression.init.init_substitute_expr(
-                underlying=self.underlying,
-                variables=variable,
-                values=values,
-            ),
-        )
-
-    def subs(
-        self,
-        variable: tuple,
-        values: tuple["Expression", ...] = None,
-    ) -> "Expression":
-        return self.substitute(
-            variable=variable,
-            values=values,
-        )
-
     def sum(self):
         return self.copy(
             underlying=polymatrix.expression.init.init_sum_expr(