From eab487afc627aff2a27cf06f43834039e09540bf Mon Sep 17 00:00:00 2001
From: Brandon Rodriguez <brodriguez8774@gmail.com>
Date: Sat, 30 Nov 2019 01:51:24 -0500
Subject: [PATCH] Update "Initialize" to handle when temporary column is basic
in aux
---
resources/simplex/initialize.py | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/resources/simplex/initialize.py b/resources/simplex/initialize.py
index 3a776b7..e26c2f4 100644
--- a/resources/simplex/initialize.py
+++ b/resources/simplex/initialize.py
@@ -136,8 +136,15 @@ class Initialize():
if vector_c[obj_const_index] == 0:
# Solution exists for original simplex. Check status of temporary column.
if temporary_col in b_array:
- # Temporary column is basic. Pivot one last time to make it nonbasic.
- pass
+ # Temporary column is basic. Pivot one last time with any value in N to make it nonbasic.
+ self._parent.pivot(temporary_col, n_array[0])
+
+ # Pivot complete. Pull parent data once more.
+ matrix_a = self._parent._matrix_a
+ vector_b = self._parent._vector_b
+ obj_const_index = self._parent._obj_constant_index
+ b_array = self._parent._b_array
+ n_array = self._parent._n_array
# Remove temporary columns.
obj_const_index -= 1
--
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