Inverses

Task number: 2425

Invert real matrix

  • Variant 1

    \( \mathbf A= \begin{pmatrix} 1 & 0 & 1 & 1 \\ 2 & 0 & 1 & 1 \\ 2 & 1 & 0 & 0 \\ 1 & 2 & 1 & 0 \\ \end{pmatrix} \).

  • Variant 2

    \( \mathbf B= \begin{pmatrix} 0 & 2 & 2 & 1 \\ 1 & 0 & 2 & 0 \\ 2 & 1 & 0 & 2 \\ 2 & 2 & 1 & 1 \\ \end{pmatrix} \).

  • Variant 3

    \( \mathbf C= \begin{pmatrix} 2 & 0 & 1 & 0 \\ 1 & 2 & 0 & 1 \\ 2 & 1 & 1 & 0 \\ 1 & 0 & 1 & 1 \end{pmatrix} \).

  • Variant 4

    \( \mathbf D= \begin{pmatrix} 1 & 1 & 0 & 0 \\ 1 & 2 & 1 & 1 \\ 1 & 1 & 2 & 0 \\ 0 & 1 & 2 & 1 \\ \end{pmatrix} \).

  • Variant 5

    \( \mathbf E= \begin{pmatrix} 1 & 1 & 2 & 0 \\ 1 & 2 & 1 & 1 \\ 0 & 1 & 2 & 1 \\ 1 & 2 & 0 & 0 \\ \end{pmatrix} \).

Difficulty level: Easy task (using definitions and simple reasoning)
Routine calculation training
Cs translation
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