This user (ALBERT ALEXANDER STONIER) appears to have gamed the system, with fraudulent "likes" of this unremarkable solution submitted by 'sock-puppet' accounts. —DIV
Remove NaN ?
Make a run-length companion vector
Sophie Germain prime
Sum the Digits of a Number
The Answer to Life, the Universe, and Everything
Deleting an element in a matrix
Vectors counting by 2
Replacing a row
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