Unrecognized method, property, or field 'tostring' for class 'tree'.

[asma1994-bejaia]

t = tree('root');
[ t node1 ] = t.addnode(1, 'Node 1'); %% attach to root
% node1 now contains the index of the first node.
[ t node2 ] = t.addnode(1, 'Node 2'); %% attach to root
[ t node11 ] = t.addnode(node1, 'Child of node 1'); %% attach to first node
disp(t.tostring)

hi !
I get this message "Unrecognized method, property, or field 'tostring' for class 'tree'." when caling the tostring method and many authers methods like "graft", even if I added the location of the file that contains the tree class and the assosiated methods to the path of th system.
I would be very gratiful if somone can help me

[tinevez]

Hello.

It looks like you did not set the path correctly. You must add the folder in which the @tree folder is, but not the content of the folder iteself.

Check this:
https://se.mathworks.com/help/matlab/matlab_oop/organizing-classes-in-folders.html