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function multiplyByScalar(matrix, scalar) {
// pobierzmy wymiary macierzy
const rows = matrix.length;
const cols = matrix[0].length;
// tworzymy nową macierz o tych samych wymiarach
const result = Array.from({ length: rows }, () => Array(cols).fill(0));
// w pętli mnożymy każdy element przez skalar
for (let i = 0; i < rows; i++) {
for (let j = 0; j < cols; j++) {
result[i][j] = matrix[i][j] * scalar;
}
}
return result;
}
const A = [
[1, 2],
[3, 4],
[5, 6],
];
console.log(multiplyByScalar(A, 2));
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