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Thanks in advance for any replies. Really appreciate anyone taking time out to answer these questions.

- Thread starter matqkks
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- #1

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Thanks in advance for any replies. Really appreciate anyone taking time out to answer these questions.

- #2

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- #3

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These are just a few of the many applications of the dot product.

And of course the dot product is zero if two vectors are orthogonal, since A.B = ABcos(theta), as you mentioned.

- #4

chiro

Science Advisor

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Video games is something they will be able to relate to. Some applications include hit-tests (projection on to a plane using dot product), shadows, lighting (normal maps and the lighting they produce in modern games).

Thanks in advance for any replies. Really appreciate anyone taking time out to answer these questions.

As above posters have mentioned there are tonnes of applications. Projections in general are used everywhere from statistics to engineering to everything in between.

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