Given a matrix of any size, convert it into a column vector.
e.g A=[10 20 30;
40 50 60]
B = [10;
Get the area codes from a list of phone numbers
Remove the air bubbles
How long is the longest prime diagonal?
Is it an Armstrong number?
Sum of the Matrix Elements
Find my birthday
Back to basics - mean of corner elements of a matrix
Create a matrix with difference of each row of input matrix
Matrix multiplication across rows
Let's get back to school, and create multiplication tables
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