Algebra lineare Esempi

$[\begin{array}{c} 2.04 a & - 1 b & 0 d & 0 g \\ - 1 a & 2.04 b & - 1 d & 0 g \\ 0 a & - 1 b & 2.04 d & - 1 g \\ 0 a & 0 b & - 1 d & 2.04 g \end{array}] - [\begin{array}{c} 40.8 \\ 0.8 \\ 0.8 \\ 200.8 \end{array}]$

Passaggio 1

Riscrivi $- 1 b$ come $- b$ .

$[\begin{array}{c} 2.04 a & - b & 0 d & 0 g \\ - 1 a & 2.04 b & - 1 d & 0 g \\ 0 a & - 1 b & 2.04 d & - 1 g \\ 0 a & 0 b & - 1 d & 2.04 g \end{array}] - [\begin{array}{c} 40.8 \\ 0.8 \\ 0.8 \\ 200.8 \end{array}]$

Passaggio 2

Moltiplica $0$ per $d$ .

$[\begin{array}{c} 2.04 a & - b & 0 & 0 g \\ - 1 a & 2.04 b & - 1 d & 0 g \\ 0 a & - 1 b & 2.04 d & - 1 g \\ 0 a & 0 b & - 1 d & 2.04 g \end{array}] - [\begin{array}{c} 40.8 \\ 0.8 \\ 0.8 \\ 200.8 \end{array}]$

Passaggio 3

Moltiplica $0$ per $g$ .

$[\begin{array}{c} 2.04 a & - b & 0 & 0 \\ - 1 a & 2.04 b & - 1 d & 0 g \\ 0 a & - 1 b & 2.04 d & - 1 g \\ 0 a & 0 b & - 1 d & 2.04 g \end{array}] - [\begin{array}{c} 40.8 \\ 0.8 \\ 0.8 \\ 200.8 \end{array}]$

Passaggio 4

Riscrivi $- 1 a$ come $- a$ .

$[\begin{array}{c} 2.04 a & - b & 0 & 0 \\ - a & 2.04 b & - 1 d & 0 g \\ 0 a & - 1 b & 2.04 d & - 1 g \\ 0 a & 0 b & - 1 d & 2.04 g \end{array}] - [\begin{array}{c} 40.8 \\ 0.8 \\ 0.8 \\ 200.8 \end{array}]$

Passaggio 5

Riscrivi $- 1 d$ come $- d$ .

$[\begin{array}{c} 2.04 a & - b & 0 & 0 \\ - a & 2.04 b & - d & 0 g \\ 0 a & - 1 b & 2.04 d & - 1 g \\ 0 a & 0 b & - 1 d & 2.04 g \end{array}] - [\begin{array}{c} 40.8 \\ 0.8 \\ 0.8 \\ 200.8 \end{array}]$

Passaggio 6

Moltiplica $0$ per $g$ .

$[\begin{array}{c} 2.04 a & - b & 0 & 0 \\ - a & 2.04 b & - d & 0 \\ 0 a & - 1 b & 2.04 d & - 1 g \\ 0 a & 0 b & - 1 d & 2.04 g \end{array}] - [\begin{array}{c} 40.8 \\ 0.8 \\ 0.8 \\ 200.8 \end{array}]$

Passaggio 7

Moltiplica $0$ per $a$ .

$[\begin{array}{c} 2.04 a & - b & 0 & 0 \\ - a & 2.04 b & - d & 0 \\ 0 & - 1 b & 2.04 d & - 1 g \\ 0 a & 0 b & - 1 d & 2.04 g \end{array}] - [\begin{array}{c} 40.8 \\ 0.8 \\ 0.8 \\ 200.8 \end{array}]$

Passaggio 8

Riscrivi $- 1 b$ come $- b$ .

$[\begin{array}{c} 2.04 a & - b & 0 & 0 \\ - a & 2.04 b & - d & 0 \\ 0 & - b & 2.04 d & - 1 g \\ 0 a & 0 b & - 1 d & 2.04 g \end{array}] - [\begin{array}{c} 40.8 \\ 0.8 \\ 0.8 \\ 200.8 \end{array}]$

Passaggio 9

Riscrivi $- 1 g$ come $- g$ .

$[\begin{array}{c} 2.04 a & - b & 0 & 0 \\ - a & 2.04 b & - d & 0 \\ 0 & - b & 2.04 d & - g \\ 0 a & 0 b & - 1 d & 2.04 g \end{array}] - [\begin{array}{c} 40.8 \\ 0.8 \\ 0.8 \\ 200.8 \end{array}]$

Passaggio 10

Moltiplica $0$ per $a$ .

$[\begin{array}{c} 2.04 a & - b & 0 & 0 \\ - a & 2.04 b & - d & 0 \\ 0 & - b & 2.04 d & - g \\ 0 & 0 b & - 1 d & 2.04 g \end{array}] - [\begin{array}{c} 40.8 \\ 0.8 \\ 0.8 \\ 200.8 \end{array}]$

Passaggio 11

Moltiplica $0$ per $b$ .

$[\begin{array}{c} 2.04 a & - b & 0 & 0 \\ - a & 2.04 b & - d & 0 \\ 0 & - b & 2.04 d & - g \\ 0 & 0 & - 1 d & 2.04 g \end{array}] - [\begin{array}{c} 40.8 \\ 0.8 \\ 0.8 \\ 200.8 \end{array}]$

Passaggio 12

Riscrivi $- 1 d$ come $- d$ .

$[\begin{array}{c} 2.04 a & - b & 0 & 0 \\ - a & 2.04 b & - d & 0 \\ 0 & - b & 2.04 d & - g \\ 0 & 0 & - d & 2.04 g \end{array}] - [\begin{array}{c} 40.8 \\ 0.8 \\ 0.8 \\ 200.8 \end{array}]$