How to use Matlab to fill gaps
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If I have matrix in this shape. M =[0 0 0; 2 2 3; 3 3 0; 0 0 0; 3 3 0; 2 2 3; 0 0 0; 3 3 2; 0 0 0; 3 3 3] How can I fill: 3 0 0 3 —> 3 3 3 3 3 0 3 0 2 —> 3 3 3 0 2 3 0 3 2 0 3 0 3 —> 3 3 3 2 0 3 3 3 Regards in advance for sharing knowledge
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Matt J
2019-7-27
This might be what you are looking for
Mnew=M;
[nr,nc]=size(M);
xq=(1:nr).';
for i=1:nc
m=M(:,i);
[x,~,y]=find(m);
vals=interp1(x,y,xq);
m((m==0)&(vals==3))=3;
Mnew(:,i)=m;
end
M, Mnew
M =
0 0 0
2 2 3
3 3 0
0 0 0
3 3 0
2 2 3
0 0 0
3 3 2
0 0 0
3 3 3
Mnew =
0 0 0
2 2 3
3 3 3
3 3 3
3 3 3
2 2 3
0 0 0
3 3 2
3 3 0
3 3 3
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