Find close points in two matrices of coordinates
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I have two different length matrices of 3D coordinates. I want to find all the unique coordinates in one matrix that are within a certain Euclidean distance of any of the coordinates in the other matrix. What is the most efficient way to do this?
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Torsten
2022 年 9 月 22 日
編集済み: Torsten
2022 年 9 月 22 日
Use "pdist2" to calculate the distances of the sites of the first set to the sites of the second set.
Check which rows of the distance matrix D have an entry <= dmax where dmax is your prescribed maximum distance.
These are the sites of the first set you want to determine.
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