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How to apply OR operation to a matrix?

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pietro
pietro 2014-7-12
回答： Roger Stafford 2014-7-12
Hi folk,
I need to apply the OR operation to the column of a matrix. Here an example:
a=[0 0 1; 0 1 1];
orMat(a)=
[0 0 1]
thanks

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Roger Stafford
Roger Stafford 2014-7-12
Your example is not the 'OR', it is the 'AND', of the columns. The 'OR' of the columns is done this way:
b = any(a,1);
The 'AND' would be done this way:
b = all(a,1);

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