Linear Algebra Examples

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

Step 1

The norm is the square root of the sum of squares of each element in the matrix.

$\sqrt{0^{2} + 0^{2} + 0^{2} + {(- 1)}^{2} + 0^{2} + 1^{2} + {(- 1)}^{2} + 3^{2} + 0^{2} + 0^{2} + 1^{2} + 2^{2} + 1^{2} + 7^{2} + 4^{2} + {(- 4)}^{2}}$

Step 2

Simplify.

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Step 2.1

Raising $0$ to any positive power yields $0$ .

$\sqrt{0 + 0^{2} + 0^{2} + {(- 1)}^{2} + 0^{2} + 1^{2} + {(- 1)}^{2} + 3^{2} + 0^{2} + 0^{2} + 1^{2} + 2^{2} + 1^{2} + 7^{2} + 4^{2} + {(- 4)}^{2}}$

Step 2.2

Raising $0$ to any positive power yields $0$ .

$\sqrt{0 + 0 + 0^{2} + {(- 1)}^{2} + 0^{2} + 1^{2} + {(- 1)}^{2} + 3^{2} + 0^{2} + 0^{2} + 1^{2} + 2^{2} + 1^{2} + 7^{2} + 4^{2} + {(- 4)}^{2}}$

Step 2.3

Raising $0$ to any positive power yields $0$ .

$\sqrt{0 + 0 + 0 + {(- 1)}^{2} + 0^{2} + 1^{2} + {(- 1)}^{2} + 3^{2} + 0^{2} + 0^{2} + 1^{2} + 2^{2} + 1^{2} + 7^{2} + 4^{2} + {(- 4)}^{2}}$

Step 2.4

Raise $- 1$ to the power of $2$ .

$\sqrt{0 + 0 + 0 + 1 + 0^{2} + 1^{2} + {(- 1)}^{2} + 3^{2} + 0^{2} + 0^{2} + 1^{2} + 2^{2} + 1^{2} + 7^{2} + 4^{2} + {(- 4)}^{2}}$

Step 2.5

Raising $0$ to any positive power yields $0$ .

$\sqrt{0 + 0 + 0 + 1 + 0 + 1^{2} + {(- 1)}^{2} + 3^{2} + 0^{2} + 0^{2} + 1^{2} + 2^{2} + 1^{2} + 7^{2} + 4^{2} + {(- 4)}^{2}}$

Step 2.6

One to any power is one.

$\sqrt{0 + 0 + 0 + 1 + 0 + 1 + {(- 1)}^{2} + 3^{2} + 0^{2} + 0^{2} + 1^{2} + 2^{2} + 1^{2} + 7^{2} + 4^{2} + {(- 4)}^{2}}$

Step 2.7

Raise $- 1$ to the power of $2$ .

$\sqrt{0 + 0 + 0 + 1 + 0 + 1 + 1 + 3^{2} + 0^{2} + 0^{2} + 1^{2} + 2^{2} + 1^{2} + 7^{2} + 4^{2} + {(- 4)}^{2}}$

Step 2.8

Raise $3$ to the power of $2$ .

$\sqrt{0 + 0 + 0 + 1 + 0 + 1 + 1 + 9 + 0^{2} + 0^{2} + 1^{2} + 2^{2} + 1^{2} + 7^{2} + 4^{2} + {(- 4)}^{2}}$

Step 2.9

Raising $0$ to any positive power yields $0$ .

$\sqrt{0 + 0 + 0 + 1 + 0 + 1 + 1 + 9 + 0 + 0^{2} + 1^{2} + 2^{2} + 1^{2} + 7^{2} + 4^{2} + {(- 4)}^{2}}$

Step 2.10

Raising $0$ to any positive power yields $0$ .

$\sqrt{0 + 0 + 0 + 1 + 0 + 1 + 1 + 9 + 0 + 0 + 1^{2} + 2^{2} + 1^{2} + 7^{2} + 4^{2} + {(- 4)}^{2}}$

Step 2.11

One to any power is one.

$\sqrt{0 + 0 + 0 + 1 + 0 + 1 + 1 + 9 + 0 + 0 + 1 + 2^{2} + 1^{2} + 7^{2} + 4^{2} + {(- 4)}^{2}}$

Step 2.12

Raise $2$ to the power of $2$ .

$\sqrt{0 + 0 + 0 + 1 + 0 + 1 + 1 + 9 + 0 + 0 + 1 + 4 + 1^{2} + 7^{2} + 4^{2} + {(- 4)}^{2}}$

Step 2.13

One to any power is one.

$\sqrt{0 + 0 + 0 + 1 + 0 + 1 + 1 + 9 + 0 + 0 + 1 + 4 + 1 + 7^{2} + 4^{2} + {(- 4)}^{2}}$

Step 2.14

Raise $7$ to the power of $2$ .

$\sqrt{0 + 0 + 0 + 1 + 0 + 1 + 1 + 9 + 0 + 0 + 1 + 4 + 1 + 49 + 4^{2} + {(- 4)}^{2}}$

Step 2.15

Raise $4$ to the power of $2$ .

$\sqrt{0 + 0 + 0 + 1 + 0 + 1 + 1 + 9 + 0 + 0 + 1 + 4 + 1 + 49 + 16 + {(- 4)}^{2}}$

Step 2.16

Raise $- 4$ to the power of $2$ .

$\sqrt{0 + 0 + 0 + 1 + 0 + 1 + 1 + 9 + 0 + 0 + 1 + 4 + 1 + 49 + 16 + 16}$

Step 2.17

Add $0$ and $0$ .

$\sqrt{0 + 0 + 1 + 0 + 1 + 1 + 9 + 0 + 0 + 1 + 4 + 1 + 49 + 16 + 16}$

Step 2.18

Add $0$ and $0$ .

$\sqrt{0 + 1 + 0 + 1 + 1 + 9 + 0 + 0 + 1 + 4 + 1 + 49 + 16 + 16}$

Step 2.19

Add $0$ and $1$ .

$\sqrt{1 + 0 + 1 + 1 + 9 + 0 + 0 + 1 + 4 + 1 + 49 + 16 + 16}$

Step 2.20

Add $1$ and $0$ .

$\sqrt{1 + 1 + 1 + 9 + 0 + 0 + 1 + 4 + 1 + 49 + 16 + 16}$

Step 2.21

Add $1$ and $1$ .

$\sqrt{2 + 1 + 9 + 0 + 0 + 1 + 4 + 1 + 49 + 16 + 16}$

Step 2.22

Add $2$ and $1$ .

$\sqrt{3 + 9 + 0 + 0 + 1 + 4 + 1 + 49 + 16 + 16}$

Step 2.23

Add $3$ and $9$ .

$\sqrt{12 + 0 + 0 + 1 + 4 + 1 + 49 + 16 + 16}$

Step 2.24

Add $12$ and $0$ .

$\sqrt{12 + 0 + 1 + 4 + 1 + 49 + 16 + 16}$

Step 2.25

Add $12$ and $0$ .

$\sqrt{12 + 1 + 4 + 1 + 49 + 16 + 16}$

Step 2.26

Add $12$ and $1$ .

$\sqrt{13 + 4 + 1 + 49 + 16 + 16}$

Step 2.27

Add $13$ and $4$ .

$\sqrt{17 + 1 + 49 + 16 + 16}$

Step 2.28

Add $17$ and $1$ .

$\sqrt{18 + 49 + 16 + 16}$

Step 2.29

Add $18$ and $49$ .

$\sqrt{67 + 16 + 16}$

Step 2.30

Add $67$ and $16$ .

$\sqrt{83 + 16}$

Step 2.31

Add $83$ and $16$ .

$\sqrt{99}$

Step 2.32

Rewrite $99$ as $3^{2} \cdot 11$ .

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Step 2.32.1

Factor $9$ out of $99$ .

$\sqrt{9 (11)}$

Step 2.32.2

Rewrite $9$ as $3^{2}$ .

$\sqrt{3^{2} \cdot 11}$

Step 2.33

Pull terms out from under the radical.

$3 \sqrt{11}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$3 \sqrt{11}$

Decimal Form:

$9.94987437 \dots$