MATLAB: How to incorporate a conditional nonzero statement for multiple columns

Question

Hey,

I have a matrix D and I would like to compare columns elements with each other with a conditional non-zero statement: if only one element in a row is > 0 then keep all zero values in that row 0 and make the nonzero value 1. In addition, if more than one element in a row is nonzero then make all elements in that row 0.

I really appreciate the help!

Many thanks!

Felix

A = [6;3;4];
B = [2;0;1];
C = [6;0;3];
D = [A,B,C]
D =
     6     2     6
     3     0     0
     4     1     3
     
% desired result
E =
     0     0     0
     1     0     0
     0     0     0

Answer 1

D =[
6     2     6
3     0     0
4     1     3];
out = D > 0;
out(sum(out,2) > 1,:) = 0;