Finding 3 successive more than zero values each year and remove the other rows?

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Marmar 2017-2-14

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https://ww2.mathworks.cn/matlabcentral/answers/324866-finding-3-successive-more-than-zero-values-each-year-and-remove-the-other-rows

关闭： MATLAB Answer Bot 2021-8-20

Hi there, I have a matrix including meteorological data (for more than 10 years) and several data (rain, tempreture, wind, ...) for each column. One of these columns includes temperature and one another contains days of the year. I want to find in each year the FIRST 3 successive days (rows) with temperature (which is in one column) more than zero and then remove other rows. How is it possible! Thanks in advance for your help