you can split A into low and high values, with the given threshold of 0.01
Alow=A(A<.01)
Ahigh=A(A>=.01)
with
[rowAlow,colAlow,v]=find(A(A<.01));
in colAlow you get the positions of the A elements smaller than threshold.
Same for positions of larger elements.
[rowAhigh,colAhigh,v]=find(A(A>=.01));
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thanks in advance
John BG
