如何在MATLAB中的向量中找到两个最接近的(最近的)值? [英] How to find two closest (nearest) values within a vector in MATLAB?

问题描述

我有一个向量，例如A=[2.29 2.56 2.67 2.44 2.52 1.23]

我有兴趣在此向量中找到两个最接近(几乎相等)的值.

I am interested to find two closest (almost equal) values with in this vector.

推荐答案

单线解决方案

res = A(repmat(find(abs(diff(A))==min(abs(diff(A)))),2,1)+[0;1]);

更多描述性解决方案

%finds the index with the minimal difference in A
minDiffInd = find(abs(diff(A))==min(abs(diff(A))));
%extract this index, and it's neighbor index from A
val1 = A(minDiffInd);
val2 = A(minDiffInd+1);

结果:

val1 = 2.4400
val2 = 2.5200

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