Is my wife right?
Reverse the vector
Return the first and last character of a string
sum of non-primes
Is it a number?
First non-zero element in each column
Remove from a 2-D matrix all the rows that contain at least one element less than or equal to 4
vectorization in N
Matrix which contains the values of an other matrix A at the given locations.
Find the elements of a matrix according to a defined property.
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