{ a11x1 + a12x2 = b1
a21x1 + a22x2 = b2
[ 1
0
0
1
] [ x1
x2
] = [ 0
1
]

If you have found a bug, please report it at the Codeberg project page.

If you have a suggestion or a question, please write Oleksandr Kaleniuk, Ph. D., Senior lecturer at DTE / IATE / ISKPI.