MATLAB with Gurobi¶

In order to use MATLAB with Gurobi, you need to load both a MATLAB module and a Gurobi module (with prerequisites).

This means you have to start MATLAB from a terminal.

Note

You can use MATLAB and Gurobi together either

by submitting a job to the batch system with the “batch” command inside MATLAB (GUI or shell)
by submitting a job to the batch system with a batch script
by creating a “parpool” with the Kebnekaise cluster

Loading the modules¶

In a Linux terminal, check which MATLAB version you want:
```
ml spider MATLAB
```
Load the version you picked. In this example version 2023a
```
module load MATLAB/2023a.Update4
```
Find a compatible version of Gurobi (one that is compiled with the same GCC compiler version).
```
ml av Gurobi
```
Load one of them. Here version 11.0.1
```
module load Gurobi/11.0.1 
```

Note

Start MATLAB in the terminal where you loaded the modules. Here
```
matlab -singleCompThread
```
- This starts the MATLAB GUI. If you want to run in a shell, instead do this:
```
matlab -singleCompThread -nodisplay -nosplash -nodesktop
```
The following commands are done inside MATLAB
If you have not added your job settings, do so now - follow the link and go to item 3 on that page.
You can now start a MATLAB script or function with Gurobi commands in with
```
myjob = c.batch(myFcn,numOutput ,{input1, input2, input3, ...},'Pool' ,nWorkers);
```
where
- myFcn is a command or serial MATLAB program. Preface with @ if a command.
- numOutput is the number of output expected
- {input1, input2, input3, ...} are the inputs
- 'Pool' is the parallel pool
- nWorkers are how many workers
Remember that there needs 1 more core than nWorkers