在排序的向量中找到上限索引 [英] Find upper bound index in sorted vector

问题描述

我在Matlab中有一个像下面这样的向量.

I have a vector like the following in Matlab.

 Columns 1 through 4

   0.160000000000000   0.208000000000000   0.244000000000000   0.268000000000000

  Column 5

   0.280000000000000

我想找到以下值的上限索引:

And I want to find the upper bound index of the following value:

0.16230400000000

我知道该值在1°和2°索引之间，但是我想找到在这种情况下为索引2的上限，即使最接近的值在索引1处.我如何在Matlab中获得该值没有循环?

I know this value is between the 1° and 2° indices, but I want to find the upper bound which in this case is index 2, even when the closest value is at index 1. How do I get that in Matlab without a loop?

我找到了以下方法来找到最接近的值，但我始终需要上限.

I found the following method to find the closest value but I need always the upper bound.

[c ind] = min(abs(probCum-codComp));

推荐答案

如果您的数组以升序排序，则find命令特别强大:

If your array is sorted in an ascending fashion, the find command is especially powerful:

find (a>0.162,1)

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