retry adding ipopt

SECQUOIA · Oct 2, 2024 · 9006de4 · 9006de4
1 parent 3971ef0
commit 9006de4
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
@@ -28,6 +28,10 @@ jobs:
         sudo apt update
         sudo apt-get install -y -qq glpk-utils
         sudo apt-get install -y -qq coinor-cbc
+
+    - name: install ipopt
+      run: |
+        sudo apt update
         sudo pip install idaes-pse --pre
         idaes get-extensions --to ./solvers
 
@@ -42,7 +46,6 @@ jobs:
         pip install -r requirements.txt
         pip install openpyxl
 
-
     # (optional) Cache your executed notebooks between runs
     # if you have config:
     # execute:

diff --git a/Material/Pyomo Fundamentals/2.1 Knapsack problem with rules.ipynb b/Material/Pyomo Fundamentals/2.1 Knapsack problem with rules.ipynb
@@ -59,7 +59,7 @@
     "    return sum( w[i]*m.x[i] for i in A ) <= W_max\n",
     "model.weight_con = pyo.Constraint(rule=weight_con_rule)\n",
     "\n",
-    "opt = pyo.SolverFactory('glpk')\n",
+    "opt = pyo.SolverFactory('cbc')\n",
     "opt_success = opt.solve(model)\n",
     "\n",
     "model.pprint()"