How to arrange grid data?
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Hello guys... i have a grid data ,for eg given below, here 1st row is longitude, 1st column is latitude and their corresponding data
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
here i want rearrange the data. i want to make only three column 1st column should be latitude, 2nd column should be longitude and 3rd column should contain their corresponding data
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Stephen23
2016-2-17
How is your "grid data" stored? Is it in a file, or a MATLAB variable, or are you going to enter it manually?
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Stephen23
2016-2-17
>> 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
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