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creating grided matrix from lat lon and aod data

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SOURANGSU
SOURANGSU 2014-6-3
关闭： MATLAB Answer Bot 2021-8-20
Say I have a matrix containing lat lon and AOD value A= 23.34232 67.43123 0.42 23.34562 67.42321 0.73 23.35813 67.44321 0.64 23.12213 67.12888 0.46 etc etc the matrix contains about 5000 rows I need to create a 0.0272x0.0272 grided matrix of this file please help.

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回答（1 个）

Andrei Bobrov
Andrei Bobrov 2014-6-3
F = scatteredInterpolant(A(:,1:2),A(:,3),'natural');
m = min(A(:,1:2));
n = max(A(:,1:2));
[x,y] = ndgrid(m(1):.0272:n(1),m(2):.0272:n(2));
out = F(x,y);
mesh(x,y,out);
hold on
plot3(A(:,1),A(:,2),A(:,3),'o');

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