Find distance between nodes

2017 6 3
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更新时间：2021 1 24
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Hi i have a dataset of 1853 rows and 2 columns, sample of dataset is as follows:
1 105
1 104
2 1100
10 1165
813 1320
15 105
19 90
105 813
i want to create a graph to find distance between each node from other. For example if i enter input node 1, it will show that distance between 1 and 105 is 1, and between 1 and 813 is 2 (because it will come next to 105). and between 1 and 1320 is 3. (as shown in image below). and similarly for other nodes.
Any help will be greatly appreciated.

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Walter Roberson
Walter Roberson 2017-6-3

1 个投票

To calculate just the distances, use https://www.mathworks.com/help/matlab/ref/graph.distances.html
To get the tree of distances from a node like you show, see https://www.mathworks.com/help/matlab/ref/graph.shortestpathtree.html

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Tha saliem
Tha saliem 2017-6-4
Thanks for your help. I have one more question. I want to know that how can I do it directly from the dataset i mean without plotting a graph first?
Walter Roberson
Walter Roberson 2017-6-4
The routines I referred to do not require drawing anything. You use graph() or digraph() to create the data structures but you do not need to draw if you don't want to.
Waseem AL Aqqad
Waseem AL Aqqad 2021-1-24
Thank you, Walter.

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