Spudderstheduck Spudderstheduck

23-02-2018
Mathematics

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What is the projection of (3,4) onto (3,1)?

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sqdancefan sqdancefan

23-02-2018

((3, 4)•(3, 1)) · (3, 1)/||(3, 1)||^2
= 13/10 · (3, 1)
= (3.9, 1.3)

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notarealemail15 notarealemail15

01-08-2018

the answer can also be written as 1.3(3,1)

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