sum over row or column

[thegodone]

How to sum per row or column ?

[targos]

matrix.sum('row') or matrix.sum('column'). All methods are documented here: https://mljs.github.io/matrix/classes/matrix.html

[lpatiny]

Full example:

const { Matrix } = require('ml-matrix');

let matrix = new Matrix([
  [1, 2],
  [3, 4]
]);

let sunColumn = matrix.sum('column');
console.log(sunColumn);

let sunRow = matrix.sum('row');
console.log(sunRow);