Using find function in Matlab to find data at specific time

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gps
gps 2021-3-27
评论： Jan 2021-6-7
How can I use the find function in MATLAB in order to create a variable that includes data starting at time, t=0?
I have tried this:
N = find(Data(:)==0);
but I just get N equal to the number of data that are at t=0, not the actual data themselves.

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回答（1 个）

Jan
Jan 2021-3-27
index = find(Data >= 0, 1, 'first');
N = Data(index:end)
  2 个评论
gps
gps 2021-6-7
编辑：gps 2021-6-7
@Jan thank you for the help! i have a follow up question, is there a way of editing this for the case where my data have two columns, say x and t, rather than one and I just want my variable to contain only the data from column, starting from t=0 and onwards?

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