Matrix Numerics

Matrix Numerics

Linear Algebra

67 ratings
50 reviews

Archived App (Last seen on 2 Jul 2025)

This is an archived listing of the app previously available on the App Store.

Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.

Details

  • Released
  • Updated
  • June 27, 2019
  • December 29, 2022

Features

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About

This app provides powerful numerical linear algebra tools with a user-friendly interface. It quickly calculates matrix and vector operations, decompositions, and solves systems of equations using advanced algorithms. Results are beautifully rendered and computations are performed on-device.

Matrix operations (add, subtract, multiply, inverse)
Matrix decompositions (SVD, PLU, Cholesky, QR)
Eigenvalues & Eigenvectors
Vector operations (inner product, cross product, angle)
Solve systems of linear equations
Matrix attribute identification (singular, symmetric, positive definite)
LaTeX-like result rendering
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What's New in Matrix Numerics

1.1.4

December 29, 2022

- Added Support for new iPhone 14 line-up & iOS 16 - Fixed bugs & added enhancements

Subscription plans

Memory

Save matrices to memory

$0.996 Months
How to cancel Matrix Numerics subscription ⁉️

User reviews

Good for the price

While the overall user experience can be improved, this app makes mathematical concepts much more easier to work on. It saves time by solving complex equations, operations for you. Totally recommended!!

Great Linear Algebra App

This app is well designed, good looking and does the job.

Not intuitive at all

I literally downloaded this and deleted it within five minutes. You are simply presented with an all zero 3 x 3 matrix called A. You can click a red square looking shaped button and all that does is change A to B, but it is still an old zero matrix. In the few minutes I messed around I couldn’t figure out how to change the zeros to actual numbers lol. I have no idea what they were trying to present with this app.
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Powerful but needs more specifications

The app is great in its functionality but it is lack of specifications for the buttons on the home page. Users need to guess meanings of buttons. And the app will crash in the script mode if you try to delete the line twice. I think this app will be the best matrix calculator if the developer could add specifications and fix the bug.
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Things don’t fit on the screen

I’m using an iPhone SE (2016) and on some views the text is cut off at the edges. For example on the Symbology & Decompositions page the entire left side of the equations is not visible. I also can’t figure out how to actually use the app because the instructions might be cut off. Please don’t forget about small-screen users!
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FAQ

What does Matrix Numerics do?

Matrix Numerics is a numerical linear algebra application that offers a wide range of tools for calculating matrix and vector operations, performing decompositions, and solving systems of linear equations. It aims to provide quick and accurate results with a simple interface.

What are the key features of Matrix Numerics?

Key features include matrix addition, subtraction, multiplication, inversion, various decompositions like SVD and QR, calculation of eigenvalues and eigenvectors, vector operations such as inner and cross products, and solving systems of linear equations. It also identifies specific matrix attributes and renders results in a LaTeX-like style.

Is Matrix Numerics free to use?

The application is available for free download and use, but it offers in-app purchases. This suggests that while core functionalities may be free, certain advanced features or capabilities might require a purchase.

What devices is Matrix Numerics compatible with?

The app utilizes the SwiftLAN engine and performs computations on-device using Apple's A-Series chips. This indicates it is designed for iOS devices (iPhones and iPads) that support these processors.

Who would benefit from using Matrix Numerics?

Matrix Numerics is designed for scientists, students, and anyone who frequently works with linear algebra. Its comprehensive features and user-friendly interface make it a valuable tool for mathematical and scientific endeavors, regardless of the user's experience level.