Colon operator of two vectors
Length of the hypotenuse
Is this triangle right-angled?
Create logarithmically spaced values (★)
Swap the first and last columns (★★)
Get the elements of diagonal and antidiagonal for any m-by-n matrix (★★★★)
Vector creation using colon operator
Replicate elements in vectors (★★★)
Prime number check (★★)
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