The dot product [3 1 4]dot 2 -1 5 is. My answer is 25, but I'm not sure. Thanks for any help given.
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Originally Posted by kwtolley The dot product [3 1 4]dot 2 -1 5 is. My answer is 25, but I'm not sure. Thanks for any help given. The dot product of two vectors and is: . In this case we have and , so: . RonL
I really needed help on that one. I was way off on seting it up. thanks again for checking
Originally Posted by CaptainBlack In this case we have and , so: . RonL Hold on! There was a typo: The last line should read: . So you were correct, ktwolley. -Dan
Originally Posted by topsquark Hold on! There was a typo: The last line should read: . So you were correct, ktwolley. -Dan Opps, there you go, you should always check what a helper writes. Hopefully they provide enough information that they have in fact done what they say they are doing RonL
Thanks both of you. I check and recheck myself and other, but sometimes the problems are hard. Thanks again you guys here are a big help.
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