Create a square matrix of multiples
Replace multiples of 5 with NaN
Try 1.5.4: Celsius to Fahrenheit
Product of elements in row
Replacing a row
Create a vector with n repeated values of a number x (★★)
Generate n equally spaced "intervals" between -x and x (★)
Sum of elements of a vector (★★★)
Extract leading non-zero digit (★★★★★)
Replicate elements in vectors (★★★)
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