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The ml-matrix npm package provides a comprehensive set of tools for matrix operations and linear algebra. It is designed to be used in machine learning and data science applications, offering a variety of functionalities such as matrix creation, manipulation, decomposition, and solving linear systems.
Matrix Creation
This feature allows you to create matrices from arrays. The code sample demonstrates how to create a 2x2 matrix and print it.
const { Matrix } = require('ml-matrix');
const A = new Matrix([[1, 2], [3, 4]]);
console.log(A.toString());
Matrix Operations
This feature supports various matrix operations such as addition, subtraction, multiplication, etc. The code sample shows how to add two matrices.
const { Matrix } = require('ml-matrix');
const A = new Matrix([[1, 2], [3, 4]]);
const B = new Matrix([[5, 6], [7, 8]]);
const C = A.add(B);
console.log(C.toString());
Matrix Decomposition
This feature provides methods for matrix decomposition like Singular Value Decomposition (SVD), LU decomposition, etc. The code sample demonstrates how to perform SVD on a matrix.
const { Matrix, SingularValueDecomposition } = require('ml-matrix');
const A = new Matrix([[1, 2], [3, 4]]);
const svd = new SingularValueDecomposition(A);
console.log(svd.diagonalMatrix.toString());
Solving Linear Systems
This feature allows solving linear systems of equations. The code sample shows how to solve the system Ax = b.
const { Matrix } = require('ml-matrix');
const A = new Matrix([[1, 2], [3, 4]]);
const b = [5, 6];
const x = A.solve(b);
console.log(x.toString());
Math.js is an extensive math library for JavaScript and Node.js. It provides a wide range of mathematical functions and supports complex numbers, matrices, units, and more. Compared to ml-matrix, math.js offers a broader range of mathematical functionalities but may not be as specialized in matrix operations and linear algebra.
Numeric.js is a library for numerical computations in JavaScript. It provides functions for matrix operations, solving linear systems, and performing numerical integration. While it offers similar functionalities to ml-matrix, it is more focused on numerical methods and less on machine learning applications.
Ndarray is a JavaScript library for multidimensional arrays. It provides efficient storage and manipulation of large datasets. While it can be used for matrix operations, it is more general-purpose and not specifically tailored for linear algebra like ml-matrix.
Matrix manipulation and computation library
$ npm install ml-matrix
:warning: This library uses ES2015 classes and extends Array. It is not compatible with versions of Node.js/io.js <2.0.0
Supported browsers are: Google Chrome, Safari and Microsoft Edge.
FAQs
Matrix manipulation and computation library
We found that ml-matrix demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 7 open source maintainers collaborating on the project.
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