what's the answer and what's mean ?? about matrices

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ahmad qadan
ahmad qadan 2018-3-21
回答： Jan 2018-3-22
a = [ 3 4 ; 5 6 ]
b = [ 1 0 ; 0 1 ]
g = a|b ------> what's the answer and what's mean ??

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Amjad Green
Amjad Green 2018-3-21
g=[1 1;1 1]
mean of matrix is the sum of each column divied by number of elements in it
so in this case mean of matrix is a 1*2 matrix

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Jan
Jan 2018-3-22
You are asking for the meaning of the operator | , not for the mean() of a matrix.
a = [ 3 4 ; 5 6 ]
b = [ 1 0 ; 0 1 ]
g = a|b
The result is:
g = [1,1; ...
1,1]
and the operator | is the same as or(): Reply 1, if either the element of a or the element of b is not 0.

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