c#How to do weighted sum of two arrays

var sum = new int[]{10,20,100}.Zip(new int[]{90,10,100}, (v1,v2) => v1 * v2).Sum();ctrl + cgithub

`var sum` variable for the weighted array total	`new int[]` initialize an array of values
`.Zip` function that co-process each value on every array elements	`.Sum()` function that retrieves the sum of the array elements