|Nasser M. Abbasi|
I am using command "packages = << VertexEnum.m; << Combinatorica`;" to call them but these two errors happened:
This is not how one loads a package.
Have you looked at http://reference.wolfram.com/mathematica/tutorial/MathematicaPackages.html ?
But a SIMPLE way to load a package, is like this:
Assume you are on windows, and your package .m file is C:\my_package.m, then type
That is all. Do the same for the other package.
If the package is a system package, like Combinatorica.m, then do
You do not have to do them both on the same line. Load one then the next.