The Hitchhiker's Guide to MATLAB
Area of a circle
Height of a right-angled triangle
Function 1 (★)
Select every other element of a vector (★★)
Get the elements of diagonal and antidiagonal for any m-by-n matrix (★★★★)
Sum of elements in a vector (★)
Replicate elements in vectors (★★★)
Remove the row average (★★★)
Doubling elements in a vector (★★)
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