Problem 43296. Refresh your system of equations

Given square matrix, and solution vector, find the values of the variables

Example:

xyz = [1 -1 2; 0 2 5; 4 0 -3]; //x-y+2z; 2y+5x; 4x-3z abc = [21; 21; 21] y_correct = [ 9 -2 5 ];

Solve

Last Solution submitted on Jan 31, 2020

Matthew Eicholtz on 10 Oct 2016

Test suite needs to be fixed.

Jamil Kasan on 11 Oct 2016

yeah, you're right. I'll edit later after office, thanks

Alfonso Nieto-Castanon on 24 Oct 2016

only wrong solutions accepted by testsuite (on the other hand, +1 if this was in fact the intention, that was original!)

algebra matrix matrix manipulation