Update lp.py

math-econ-code · Feb 20, 2025 · 871a5e1 · 871a5e1
1 parent f3af06f
commit 871a5e1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/mec/lp.py b/mec/lp.py
@@ -121,7 +121,7 @@ def primal_solution(self, verbose=0):
     def determine_entering(self):
         self.nonbasic.sort(key=str) # Bland's rule
         for entering_var in self.nonbasic:
-            if diff(self.base[Symbol('obj')],entering_var) > 0 :
+            if self.base[Symbol('obj')].coeff(entering_var) > 0:
                 return entering_var
         return None # If no entering variable found, None returned