Solving Quadratic Equations (Version 1)
Finding perimeter of a rectangle
Divisible by 3
find whether it is prime or not
Stacking vectors into a matrix
Create a vector with n repeated values of a number x (★★)
Make a checkerboard matrix (★★★★★)
Select every other element of a vector (★★)
Vector raised to a power, element-wise (★)
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