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How can I save my variable of type graph into a file?

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I'm trying to save the content of variable GG into an ASCII format file but I'm getting the following error
Error using graph/subsref (line 7)
Indexing not supported.
Error in dlmwrite (line 166)
rowIsReal = isreal(m(i,:));
so=[1 1 1 2 2 2 2 3 3 3 5];
ta=[2 3 4 3 4 5 6 6 7 5 7];
Could you please teach me how to avoid this error?

Accepted Answer

Walter Roberson
Walter Roberson on 14 Feb 2021
However in general there can be additional attributes associated with a graph, and you might want to
dlmwrite('graph.txt', table2array(GG.Edges))
Asaf McRock
Asaf McRock on 14 Feb 2021
It seems that writetable doesn't have an append option. Will it be efficient to save Nodes and Edges in two different files?

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