How to lookup for values in an array

Hi all

dose anyone knows how to find values for points in vector if i have the location of the points?? i have 20 years hourly discharge data, I have a code in matlab that obtsaine all the location of the peaks ( ie., the hours that peak occures). how can I get the discharge values at those locations??

Answer 1

[Star Strider]

If the locations of the peaks are indices into the independent and dependent variable vectors, then something like this shoud work:

x_val = x(location_index);
y_val = y(location_index);

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