How to generate a point distance matrix using shortest network distance?

How do you find the shortest path in a matrix?

Shortest path in matrix is to find the shortest distance from the the source to the destination. As you know, graph can be represented as adjacent matrix. Therefore, we can use the Breadth First Search algorithm in graph to solve this problem.
 

How do you print the shortest path on a graph?

Below are the steps:

1. Start BFS traversal from source vertex.
2. While doing BFS, store the shortest distance to each of the other nodes and also maintain a parent vector for each of the nodes.
3. Make the parent of source node as “-1”.
4. Recover all the paths using parent array.

How do you find the distance between two points in a 2d array?

This length can be computed with the help of Pythagora’s theorem: dist = sqrt((x2-x1)^2 + (y2-y1)^2) . This is known as the Euclidian distance between the points.