Linear Algebra Examples

$[\begin{array}{c} 1 & - 1 & 2 \\ 3 & 4 & 5 \\ 0 & 1 & - 1 \end{array}] + [\begin{array}{c} 0 & 2 & 1 \\ 3 & 0 & 5 \\ 7 & - 6 & 0 \end{array}] + [\begin{array}{c} 0 & 0 & 2 \\ 3 & 1 & 0 \\ 0 & - 2 & 4 \end{array}]$

Step 1

Add the corresponding elements.

$[\begin{array}{c} 1 + 0 & - 1 + 2 & 2 + 1 \\ 3 + 3 & 4 + 0 & 5 + 5 \\ 0 + 7 & 1 - 6 & - 1 + 0 \end{array}] + [\begin{array}{c} 0 & 0 & 2 \\ 3 & 1 & 0 \\ 0 & - 2 & 4 \end{array}]$

Step 2

Simplify each element.

Tap for more steps...

Step 2.1

Add $1$ and $0$ .

$[\begin{array}{c} 1 & - 1 + 2 & 2 + 1 \\ 3 + 3 & 4 + 0 & 5 + 5 \\ 0 + 7 & 1 - 6 & - 1 + 0 \end{array}] + [\begin{array}{c} 0 & 0 & 2 \\ 3 & 1 & 0 \\ 0 & - 2 & 4 \end{array}]$

Step 2.2

Add $- 1$ and $2$ .

$[\begin{array}{c} 1 & 1 & 2 + 1 \\ 3 + 3 & 4 + 0 & 5 + 5 \\ 0 + 7 & 1 - 6 & - 1 + 0 \end{array}] + [\begin{array}{c} 0 & 0 & 2 \\ 3 & 1 & 0 \\ 0 & - 2 & 4 \end{array}]$

Step 2.3

Add $2$ and $1$ .

$[\begin{array}{c} 1 & 1 & 3 \\ 3 + 3 & 4 + 0 & 5 + 5 \\ 0 + 7 & 1 - 6 & - 1 + 0 \end{array}] + [\begin{array}{c} 0 & 0 & 2 \\ 3 & 1 & 0 \\ 0 & - 2 & 4 \end{array}]$

Step 2.4

Add $3$ and $3$ .

$[\begin{array}{c} 1 & 1 & 3 \\ 6 & 4 + 0 & 5 + 5 \\ 0 + 7 & 1 - 6 & - 1 + 0 \end{array}] + [\begin{array}{c} 0 & 0 & 2 \\ 3 & 1 & 0 \\ 0 & - 2 & 4 \end{array}]$

Step 2.5

Add $4$ and $0$ .

$[\begin{array}{c} 1 & 1 & 3 \\ 6 & 4 & 5 + 5 \\ 0 + 7 & 1 - 6 & - 1 + 0 \end{array}] + [\begin{array}{c} 0 & 0 & 2 \\ 3 & 1 & 0 \\ 0 & - 2 & 4 \end{array}]$

Step 2.6

Add $5$ and $5$ .

$[\begin{array}{c} 1 & 1 & 3 \\ 6 & 4 & 10 \\ 0 + 7 & 1 - 6 & - 1 + 0 \end{array}] + [\begin{array}{c} 0 & 0 & 2 \\ 3 & 1 & 0 \\ 0 & - 2 & 4 \end{array}]$

Step 2.7

Add $0$ and $7$ .

$[\begin{array}{c} 1 & 1 & 3 \\ 6 & 4 & 10 \\ 7 & 1 - 6 & - 1 + 0 \end{array}] + [\begin{array}{c} 0 & 0 & 2 \\ 3 & 1 & 0 \\ 0 & - 2 & 4 \end{array}]$

Step 2.8

Subtract $6$ from $1$ .

$[\begin{array}{c} 1 & 1 & 3 \\ 6 & 4 & 10 \\ 7 & - 5 & - 1 + 0 \end{array}] + [\begin{array}{c} 0 & 0 & 2 \\ 3 & 1 & 0 \\ 0 & - 2 & 4 \end{array}]$

Step 2.9

Add $- 1$ and $0$ .

$[\begin{array}{c} 1 & 1 & 3 \\ 6 & 4 & 10 \\ 7 & - 5 & - 1 \end{array}] + [\begin{array}{c} 0 & 0 & 2 \\ 3 & 1 & 0 \\ 0 & - 2 & 4 \end{array}]$

Step 3

Add the corresponding elements.

$[\begin{array}{c} 1 + 0 & 1 + 0 & 3 + 2 \\ 6 + 3 & 4 + 1 & 10 + 0 \\ 7 + 0 & - 5 - 2 & - 1 + 4 \end{array}]$

Step 4

Simplify each element.

Tap for more steps...

Step 4.1

Add $1$ and $0$ .

$[\begin{array}{c} 1 & 1 + 0 & 3 + 2 \\ 6 + 3 & 4 + 1 & 10 + 0 \\ 7 + 0 & - 5 - 2 & - 1 + 4 \end{array}]$

Step 4.2

Add $1$ and $0$ .

$[\begin{array}{c} 1 & 1 & 3 + 2 \\ 6 + 3 & 4 + 1 & 10 + 0 \\ 7 + 0 & - 5 - 2 & - 1 + 4 \end{array}]$

Step 4.3

Add $3$ and $2$ .

$[\begin{array}{c} 1 & 1 & 5 \\ 6 + 3 & 4 + 1 & 10 + 0 \\ 7 + 0 & - 5 - 2 & - 1 + 4 \end{array}]$

Step 4.4

Add $6$ and $3$ .

$[\begin{array}{c} 1 & 1 & 5 \\ 9 & 4 + 1 & 10 + 0 \\ 7 + 0 & - 5 - 2 & - 1 + 4 \end{array}]$

Step 4.5

Add $4$ and $1$ .

$[\begin{array}{c} 1 & 1 & 5 \\ 9 & 5 & 10 + 0 \\ 7 + 0 & - 5 - 2 & - 1 + 4 \end{array}]$

Step 4.6

Add $10$ and $0$ .

$[\begin{array}{c} 1 & 1 & 5 \\ 9 & 5 & 10 \\ 7 + 0 & - 5 - 2 & - 1 + 4 \end{array}]$

Step 4.7

Add $7$ and $0$ .

$[\begin{array}{c} 1 & 1 & 5 \\ 9 & 5 & 10 \\ 7 & - 5 - 2 & - 1 + 4 \end{array}]$

Step 4.8

Subtract $2$ from $- 5$ .

$[\begin{array}{c} 1 & 1 & 5 \\ 9 & 5 & 10 \\ 7 & - 7 & - 1 + 4 \end{array}]$

Step 4.9

Add $- 1$ and $4$ .

$[\begin{array}{c} 1 & 1 & 5 \\ 9 & 5 & 10 \\ 7 & - 7 & 3 \end{array}]$