Given the variable x as your input, multiply it by three and put the result in y.
Duplicate of Problem 2980.
This user (ALBERT ALEXANDER STONIER) appears to have gamed the system, with fraudulent "likes" of this unremarkable solution submitted by 'sock-puppet' accounts. —DIV
Find the sum of all the numbers of the input vector
The Hitchhiker's Guide to MATLAB
Matrix indexing with two vectors of indices
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