Remove nodes in a graph based on label name instead of index

Question

IrisL 2022-7-20

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1764550-remove-nodes-in-a-graph-based-on-label-name-instead-of-index

回答： Steven Lord 2022-7-20

I am fairly new to Matlab and trying to modify a network graph.

I want to remove nodes in a graph based on node's label name instead of the node's index. Using the screenshot as an example, I would like to remove node that has name of '12'(underline in blue) instead of node that has an index of 12(underline in red). Is there a way to do so?

I try

G = rmnode(G,G.Nodes.Name=='12')

But get error message: Operate '==' is not supported for operands of type 'cell'.

Thanks for any suggestions.

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Answer 1

Steven Lord 2022-7-20

1
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1764550-remove-nodes-in-a-graph-based-on-label-name-instead-of-index#answer_1011860

在 MATLAB Online 中打开

B = graph(bucky, string(1:60)); % Use '1' through '60' as names
head(B.Nodes) % Show the first few node names
ans = 8×1 table
    Name 
    _____

    {'1'}
    {'2'}
    {'3'}
    {'4'}
    {'5'}
    {'6'}
    {'7'}
    {'8'}
B2 = rmnode(B, '42');
B2.Nodes(40:45, :) % No node '42' in the modified graph's Nodes table
ans = 6×1 table
     Name 
    ______

    {'40'}
    {'41'}
    {'43'}
    {'44'}
    {'45'}
    {'46'}