Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Pass GHA pipeline and clean up GHA files #4

Merged
merged 3 commits into from
Jul 4, 2023
Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension


Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
File renamed without changes.
46 changes: 39 additions & 7 deletions examples/dea/dea.py
Original file line number Diff line number Diff line change
@@ -1,6 +1,19 @@
from pyomo.environ import AbstractModel, Set, Param, Var, Objective, Constraint, PositiveReals, NonNegativeReals, Binary, maximize, inequality, SolverFactory
from pyomo.environ import (
AbstractModel,
Set,
Param,
Var,
Objective,
Constraint,
PositiveReals,
NonNegativeReals,
Binary,
maximize,
inequality,
SolverFactory,
)

TOLERANCE = 0.01 # feasibility tolerance for the normalization constraint below
TOLERANCE = 0.01 # feasibility tolerance for the normalization constraint below

model = AbstractModel()
# Sets
Expand All @@ -17,18 +30,37 @@
model.u = Var(model.Outputs, within=NonNegativeReals)
model.v = Var(model.Inputs, within=NonNegativeReals)


# Objective
def efficiency_rule(model):
return sum(model.outvalues[j, unit]*model.target[unit]*model.u[j] for unit in model.Units for j in model.Outputs)
return sum(
model.outvalues[j, unit] * model.target[unit] * model.u[j]
for unit in model.Units
for j in model.Outputs
)


model.efficiency = Objective(rule=efficiency_rule, sense=maximize)


# Constraints
def ratio_rule(model, unit):
value = sum(model.outvalues[j, unit]*model.u[j] for j in model.Outputs) - sum(model.invalues[i, unit]*model.v[i] for i in model.Inputs)
value = sum(model.outvalues[j, unit] * model.u[j] for j in model.Outputs) - sum(
model.invalues[i, unit] * model.v[i] for i in model.Inputs
)
return inequality(body=value, upper=0)


model.ratio = Constraint(model.Units, rule=ratio_rule)


def normalization_rule(model):
value = sum(model.invalues[i, unit]*model.target[unit]*model.v[i] for unit in model.Units for i in model.Inputs)
return inequality(body=value, lower=1-TOLERANCE, upper=1 + TOLERANCE)
model.normalization = Constraint(rule=normalization_rule)
value = sum(
model.invalues[i, unit] * model.target[unit] * model.v[i]
for unit in model.Units
for i in model.Inputs
)
return inequality(body=value, lower=1 - TOLERANCE, upper=1 + TOLERANCE)


model.normalization = Constraint(rule=normalization_rule)
Loading