sle

System of linear equations

Technical task

Solve the system of linear equations using Gaussian elimination (also known as row reduction) with the general element. Calculate the X vector and vector of errors (E = B-A*X):

1x2 + 3x3 + 2*x4 = -1;

1000x1 + 3x2 + x3 - 5*x4 = -2;

-3x1 + 4x2 + x3 + 4*x4 = -1;

4x1 - 2x3 - 3*x4 = 4.

The program should contain:

1. Displaying the input data (via tables that user allows to modify);
2. Displaying the intermediate solutions;
3. Displaying the X and E vectors;
4. Unit tests for happy and unhappy paths.

Additional:

• Result should be reachable via URL (hosted on GitHub pages, deployed to Heroku/Nodejitsu/DigitalOcean, your own private server etc.;
• Source code should be published on your GitHub account and link should be provided to us via e-mail.