- #1

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**[SOLVED] Quick Question: Is this matrix an orthogonal projection?**

## Homework Statement

P=[0 0 ]

[11]

## Homework Equations

## The Attempt at a Solution

Its orthogonal if the null space and range are perpendicular.

Range=[0 ]

[x+y]

null space=[x

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- Thread starter mistymoon_38
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- #1

- 18

- 0

P=[0 0 ]

[11]

Its orthogonal if the null space and range are perpendicular.

Range=[0 ]

[x+y]

null space=[x

- #2

- 18

- 0

null space=[x ]

[-x]??

So then its not orthogonal??

[-x]??

So then its not orthogonal??

- #3

Dick

Science Advisor

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