Replace Values Larger than Threshold with New Value, But Keep Smaller Values

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Michelle De Luna 2021-1-28

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https://ww2.mathworks.cn/matlabcentral/answers/729038-replace-values-larger-than-threshold-with-new-value-but-keep-smaller-values

评论： Michelle De Luna 2021-1-28

Hi all,

I have a 600 x 2 matrix, and I would like to check which values within the first column exceed a threshold. For example, I would like to replace all values that exceed 180 with that number minus 250 (e.g. 270 would be replaced with 20 because 270 - 250 equals 20). However, I would like to keep the values that are below 180 the same. In essence, I'm trying to keep the original order established by the original matrix, but I just need to replace those values greater than 180 with new values. Any hints? (This should be really easy, and I'm sure I'll find a solution eventually, but right now my stress isn't helping me see clearly.)

Thanks in advance!