About interpolation of two-dimensional matrix question
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min wong
am 12 Dez. 2016
Bearbeitet: Walter Roberson
am 13 Dez. 2016
My matrix
A=[12 3 65,2 3 6,68 15 40,66 98 12]
A is 3*4
x=[19 20 21]
x is 1*3
y=[118 119 120 121]
y is 1*4
zz=interp2(x,y,A,xlat,xlon,'cubic'); xlat=12*21 ,xlon=12*21
but it shows error
Error using griddedInterpolant
The grid vectors do not define a grid of points that match the given values.
Error in interp2>makegriddedinterp (line 228)
F = griddedInterpolant(varargin{:});
Error in interp2 (line 128)
F = makegriddedinterp({X, Y}, V, method,extrap);
How can fix it?
thanks
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KSSV
am 13 Dez. 2016
Try this....I think your A is not a matrix, it is a array, so error popped out.
clc; clear all ;
A = [12 3 65 ; 2 3 6 ;68 15 40 ;66 98 12] ;
x=[19 20 21];
y=[118 119 120 121] ;
xlat=12*21 ;xlon=12*21 ;
zz=interp2(x,y,A,xlat,xlon,'cubic');
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