Sum the rows
Sum the rows of the given matrix.
Example
x = [ 1 2
3 4 ]
y = [ 3
7 ]
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Replace all odd numbers with NaN
Replace all odd numbers in the vector or matrix with NaN. For example, if
x = [1 3 4 5 8 11];
then return
y = [NaN Na...
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true or false
if the matrix has a zero, return true. else, return false