How can i sort coordinate points based on their short-distance between them using one of the optimization techniques?

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AMINU ZIMIT 2022-2-27

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https://ww2.mathworks.cn/matlabcentral/answers/1659350-how-can-i-sort-coordinate-points-based-on-their-short-distance-between-them-using-one-of-the-optimiz

编辑： Suresh Maddina 2023-2-6

I'm working on path plan for mobile robot, with multiple goals. coordiantes of their goals are provided, how can i re-arrange these coordinates based on closeness on ground, by using optimization techniques like, GA, PSO and others.

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KSSV 2022-2-27

How about knnsearch?

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Answer 1

Suresh Maddina 2023-2-6

编辑：Suresh Maddina 2023-2-6

在 MATLAB Online 中打开

Hi, It is my understanding that you are trying to sort the states based on the distance to goal. The Navigation Toolbox has a method stateSpaceSE2.distance which can be used to compute the distances which can then be sorted.

Example:

% Create a state space
ss = stateSpaceSE2([0,10; 0,10; -pi,pi]);
% Generate random states from state space
states = ss.sampleUniform(100); 
% Define goal
goal = [3,4,0];
% Sort the distances from states to goal
dist = distance(ss, states, goal)
[~, ind] = sort(dist);
% Sorted states
states(ind,:)