Tips

In this section are listed various tips for the use of Julia and Spectra:

Installation

If you see errors messages linked to PyCall, you may have a problem with your environment variable. To solve it, tyope the following commands in the Julia prompt:

```julia-repl
julia> ENV["PYTHON"]=""
julia> Using Pkg
julia> Pkg.build("PyCall")
```

At this point it should work. If yes, you now can type ']' in the Julia repl and then enter: julia-repl pkg> add Spectra

Maintenance

The Julia package ecosystem is frequently evolving. Because of that, it is recommended to update frequently. Type ']' in the Julia repl and then enter: julia-repl pkg> update

Running Spectra

Always be careful to variable types. Functions will return an error message if you do not enter the good type.