Given a vector, v, of real positive numbers, compute the sum, s, of the base-10 logarithms of the elements of v, without the use of the built-in sum function.
v = [1 2]
s = 0.301
First non-zero element in each column
Array of Ones
The sliding puzzle: 15
Sorting integers by their digits (Level 3)
Mean number of letters per word (Easy)
Return the sequence element II
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