multiply arrays javascript
var sum = 0;
for(var i=0; i< arr1.length; i++) {
sum += arr1[i]*arr2[i];
}multiply arrays javascript
var sum = 0;
for(var i=0; i< arr1.length; i++) {
sum += arr1[i]*arr2[i];
}matrix multiplication javascrpt
function multiplyMatrix(matrixA, matrixB)
{
var result = new Array();//declare an array
//var numColsRows=$("#matrixRC").val();
numColsRows=2;
//iterating through first matrix rows
for (var i = 0; i < numColsRows; i++)
{
//iterating through second matrix columns
for (var j = 0; j < numColsRows; j++)
{
var matrixRow = new Array();//declare an array
var rrr = new Array();
var resu = new Array();
//calculating sum of pairwise products
for (var k = 0; k < numColsRows; k++)
{
rrr.push(parseInt(matrixA[i][k])*parseInt(matrixB[k][j]));
}//for 3
resu.push(parseInt(rrr[i])+parseInt(rrr[i+1]));
result.push(resu);
//result.push(matrixRow);
}//for 2
}//for 1
return result;
}// function multiplyMatrixCopyright © 2021 Codeinu
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