From bb6e0746666c7d41a9c5eaac17e6d42920806247 Mon Sep 17 00:00:00 2001
From: Michael Schneeberger <michael.schneeberger@fhnw.ch>
Date: Mon, 13 Feb 2023 15:06:39 +0100
Subject: correct another bug in to_sorted_variables operator

---
 polymatrix/expression/mixins/tosortedvariablesmixin.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/polymatrix/expression/mixins/tosortedvariablesmixin.py b/polymatrix/expression/mixins/tosortedvariablesmixin.py
index d839ef7..441634b 100644
--- a/polymatrix/expression/mixins/tosortedvariablesmixin.py
+++ b/polymatrix/expression/mixins/tosortedvariablesmixin.py
@@ -23,7 +23,7 @@ class ToSortedVariablesMixin(ExpressionBaseMixin):
 
         def gen_sorted_vector():
             for row, index in enumerate(sorted(variable_indices)):
-                yield (row, 1), {((index, 1),): 1}
+                yield (row, 0), {((index, 1),): 1}
         
         poly_matrix = init_poly_matrix(
             terms=dict(gen_sorted_vector()),
-- 
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