extract matrix from matrix with the values of the axis

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Asliddin Komilov
Asliddin Komilov 2020-8-14
评论： KSSV 2020-8-14
x=linspace(0,8,91);
y=linspace(1,3,56);
I have a matrix DL1 (91x46) and need to extract DL2 =DL1(DL1<=2) and the values of the x and y axis from DL1 corresponding to DL2.
Please help

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KSSV
KSSV 2020-8-14
编辑：KSSV 2020-8-14
[m,n] =size(DL1)
x=linspace(0,8,n);
y=linspace(1,3,m);
[X,Y] = meshgrid(x,y) ;
%
idx = DL1<2 ;
idx = idx' ;
iwant = [X(idx) Y(idx)]
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