MATLAB: I have i have a .dat file … which consists of 213120 rows and 3 columns…. in this file 1st column is longitude, 2nd column is latitude that and 3rd collumn is data, Please find attacment below.

data import

I want data between longitude 86 to 94 and latitude 21 to 29.

Best Answer

out = p(p(:,1) >= 86 & p(:,1) <= 94 & p(:,2) >= 21 & p(:,2) <= 29,:);

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MATLAB: How to arrange grid data

>> X = [NaN  21  22  23  24  25 
         65  1    5   7   8   9 
         66  3    8   4   9   1
         67  5    8   9   1   3
         68  5    6   9   2   3 
         69  4    1   5   3   2];
>> [Lat,Lon] = ndgrid(X(2:end,1),X(1,2:end));
>> dat = X(2:end,2:end);
>> out = [Lat(:),Lon(:),dat(:)]
out =
    65    21     1
    66    21     3
    67    21     5
    68    21     5
    69    21     4
    65    22     5
    66    22     8
    67    22     8
    68    22     6
 ... more here
    67    25     3
    68    25     3
    69    25     2

MATLAB: Mean of 6TH, 7TH AND 8TH numbers of every column

myMean = mean(A(6:8,:))

Best Answer

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MATLAB: How to arrange grid data

MATLAB: Mean of 6TH, 7TH AND 8TH numbers of every column

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