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Getting Started

Getting Started
Solve a Basic Model
Use Coordinates

User Guide

Overview
Creating Variables
Creating Expressions
Creating Constraints
Coordinate Alignment
Modifying Models

Examples

The Transport Problem
Migrating from Pyomo

Advanced Features

Special Ordered Sets (SOS) Constraints
Piecewise Linear Constraints
- Creating Piecewise Linear Constraints
- Creating Piecewise Inequality Bounds
Testing with Linopy

Solving

Using Solvers
Remote Solving with SSH
Solve on OETC (OET Cloud)
GPU-Accelerated Solving

Troubleshooting

Trouble shooting - Infeasible Model
Double logging in gurobi

Comparisons

Performance comparison
Syntax comparison

Reference

API reference
Release Notes
Contributing

.rst

linopy.variables.Variable.unfix

Contents

Variable.unfix()

linopy.variables.Variable.unfix#

Variable.unfix()#: Remove the fix constraint for this variable.

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Variable.unfix()

By Fabian Hofmann, Felix Bumann

© Copyright 2021-2026, Fabian Hofmann, Felix Bumann.