– $n$ belgisizli sızıqlı, bos aǵzaǵa iye emes teńlemeler sisteması. Ulıwma túri tómendegishe boladı: $$\left\{\begin{array}{l}a_{11}x_{1} + a_{12}x_{2} + \dots + a_{1n}x_{n} = 0, \\a_{21}x_{1} + a_{22}x_{2} + \dots + a_{2n}x_{n} = 0, \\\vdots \hspace{4cm} \vdots \\a_{n1}x_{1} +a_{n2}x_{2} + \dots + a_{nn}x_{n} = 0.\end{array}\right.$$