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kironroy/matrix2.js

Created June 23, 2023 22:18
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Matrix2
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matrix2.js
// https://stackoverflow.com/questions/6866196/javascript-multiply-and-sum-two-arrays
// (4*2+3*3+4*3+5*1).
const arr1 = [2, 3, 4, 5];
const arr2 = [4, 3, 3, 1];
console.log(arr1.reduce((r, a, i) => r + a * arr2[i], 0));
// 34
// https://www.w3schools.com/ai/ai_matrices.asp
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