How to find the resolution of an matrix?

%How to find the resolution of an matrix T which was formed from given data (Long, Lat, data). Difference between two long(lat)(117.000000000 117.033333333) position is 0.033333333degree or 3.69999.km All data point is at regular interval. What would be resolution of matrix and its image? please answer it.

% https://drive.matlab.com/files/anomalydata.txt
data_01= load('anomalydata.txt');
A02=data_01(:,3);
A03=reshape(A02,541,541);
T=A03';
g=imagesc(T)

[Mathieu NOE]

hello

1/ the data file seems to be missing - no data.txt file found so far

2/ the answer is in your post . The resolution is given by the 0.033333333degree or 3.69999.km as you computed - so what is the real question ?

[KSSV]

Attach your text file here...Not able to access the file.

[Priyank Pathak]

@Mathieu NOE, My question is that, Would the difference between two long(lat)(117.000000000 117.033333333) position is 0.033333333degree or 3.69999.km be the resolution for an matrix ? And if yes it would be 0.033333333 or 3.69 km?

thanks

[Mathieu NOE]

well

both answers are correct , simply one is the angular resolution and the orther one is the corresponding distance resolution on the sphere surface. Both values are interconnected (dx = R * dtheta) so pick the one you need.

[KSSV]

Link is not working... That's the reason we have asked you to attach the data here.

Answer 1

[Priyank Pathak]

https://drive.matlab.com/files/anomalydata.txt

@Mathieu NOE @KSSV data is attached in matlab Drive in above link.