Álgebra lineal Ejemplos

$[\begin{array}{c} x & y \\ w & z \end{array}] + [\begin{array}{c} 3 & 2 \\ 1 & 0 \end{array}] - [\begin{array}{c} 3 & 2 \\ 1 & 0 \end{array}] = [\begin{array}{c} 6 & 3 \\ 7 & - 1 \end{array}]$

Paso 1

Combina los términos opuestos en $[\begin{array}{c} x & y \\ w & z \end{array}] + [\begin{array}{c} 3 & 2 \\ 1 & 0 \end{array}] - [\begin{array}{c} 3 & 2 \\ 1 & 0 \end{array}]$ .

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Paso 1.1

Resta los elementos correspondientes.

$[\begin{array}{c} x & y \\ w & z \end{array}] + [\begin{array}{c} 3 - 3 & 2 - 2 \\ 1 - 1 & 0 - 0 \end{array}] = [\begin{array}{c} 6 & 3 \\ 7 & - 1 \end{array}]$

Paso 1.2

Simplify each element.

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Paso 1.2.1

Resta $3$ de $3$ .

$[\begin{array}{c} x & y \\ w & z \end{array}] + [\begin{array}{c} 0 & 2 - 2 \\ 1 - 1 & 0 - 0 \end{array}] = [\begin{array}{c} 6 & 3 \\ 7 & - 1 \end{array}]$

Paso 1.2.2

Resta $2$ de $2$ .

$[\begin{array}{c} x & y \\ w & z \end{array}] + [\begin{array}{c} 0 & 0 \\ 1 - 1 & 0 - 0 \end{array}] = [\begin{array}{c} 6 & 3 \\ 7 & - 1 \end{array}]$

Paso 1.2.3

Resta $1$ de $1$ .

$[\begin{array}{c} x & y \\ w & z \end{array}] + [\begin{array}{c} 0 & 0 \\ 0 & 0 - 0 \end{array}] = [\begin{array}{c} 6 & 3 \\ 7 & - 1 \end{array}]$

Paso 1.2.4

Resta $0$ de $0$ .

$[\begin{array}{c} x & y \\ w & z \end{array}] + [\begin{array}{c} 0 & 0 \\ 0 & 0 \end{array}] = [\begin{array}{c} 6 & 3 \\ 7 & - 1 \end{array}]$

Paso 2

Adding any matrix to a null matrix is the matrix itself.

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Paso 2.1

Suma los elementos correspondientes.

$[\begin{array}{c} x + 0 & y + 0 \\ w + 0 & z + 0 \end{array}] = [\begin{array}{c} 6 & 3 \\ 7 & - 1 \end{array}]$

Paso 2.2

Simplify each element.

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Paso 2.2.1

Suma $x$ y $0$ .

$[\begin{array}{c} x & y + 0 \\ w + 0 & z + 0 \end{array}] = [\begin{array}{c} 6 & 3 \\ 7 & - 1 \end{array}]$

Paso 2.2.2

Suma $y$ y $0$ .

$[\begin{array}{c} x & y \\ w + 0 & z + 0 \end{array}] = [\begin{array}{c} 6 & 3 \\ 7 & - 1 \end{array}]$

Paso 2.2.3

Suma $w$ y $0$ .

$[\begin{array}{c} x & y \\ w & z + 0 \end{array}] = [\begin{array}{c} 6 & 3 \\ 7 & - 1 \end{array}]$

Paso 2.2.4

Suma $z$ y $0$ .

$[\begin{array}{c} x & y \\ w & z \end{array}] = [\begin{array}{c} 6 & 3 \\ 7 & - 1 \end{array}]$

Paso 3

Write as a linear system of equations.

$x = 6$

$y = 3$

$w = 7$

$z = - 1$

Paso 4

El sistema ya está resuelto.

$x = 6, y = 3, w = 7, z = - 1$