Which values occur exactly three times?
Add two numbers
Find out total non zero element of matrix
Divisible by 3
If you have matrix A, create matrix B using matrix A as an "element"
Mo money, mo math 1! (★★★)
Variance computation (★)
Vector raised to a power, element-wise (★)
Vector creation using linspace
Swap the first and last columns (★★)
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