Find the sum of all the numbers of the input vector
03 - Matrix Variables 3
Sum the 'edge' values of a matrix
Draw a 'Z'.
Create a vector of the first n odd numbers (★)
Get the elements of diagonal and antidiagonal for any m-by-n matrix (★★★★)
Generate n equally spaced "intervals" between -x and x (★)
Logarithmically spaced vector creation using linspace
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