That's not the correct definition of the concept of "weighted average". Instead, it's rather the average product of two data vectors x and w.
I agree with yurenchu. If you want to choose Problems to translate, then first read all comments made about the original Problem statement to see if there are any important critiques to heed. If so, then either address the critiques and create an improved version of the Problem, or else choose a different original Problem.
Changed the translation
Very good :-)
Specific Element Count
Implement simple rotation cypher
Split a string into chunks of specified length
Matlab Basics - Convert a row vector to a column vector
Write a code that will follow the equation y = x * (x + x) * x.
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