Dimensions of a rectangle
Rounding off numbers to n decimals
Matlab Basics II - Create a vector with a repeated entry
Finding an element in a vector
Sum of elements of a vector (★★★)
Get the elements of diagonal and antidiagonal for any m-by-n matrix (★★★★)
Approximate functions 1 (★★★)
Doubling elements in a vector (★★)
Extract leading non-zero digit (★★★★★)
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