How to find values for corresponding elements
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Hazhan Majeed
on 15 Apr 2021
Commented: Walter Roberson
on 16 Apr 2021
Hello
I have a code that when applied to hourly discharge data, it gives the possition of peaks in the data serries. now i want to optain a peak time serries in a vector that has the same length of discharge but only have the peak discharges and the rest are NaN. can anyone help please?? i have included an example to clarify what i need
time(hr) Q given output(hr) wanted output
1 1 3 NaN
2 3 7 NaN
3 5 5
4 3 NaN
5 1 NaN
6 2 NaN
7 6 6
8 2 NaN
9 1 NaN
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Accepted Answer
Walter Roberson
on 15 Apr 2021
wanted_output = nan(length(time_vector),1);
mask = islocalmax(Q);
wanted_output(mask) = Q(mask);
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