The standard log() function in Matlab returns the natural logarithm (base equal to Euler's constant). Compute the logarithm for input x give an arbitrary base passed to the function.
The problem description has been improved and more test cases were added.
Set the array elements whose value is 13 to 0
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Send vector into a struct object
Sample from random roulette
Put all numbers in a string inside square brackets
Return strings encapsulated by braces
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