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hi .
please help to solve : Vector Dot Problem
if we know that can we infer from that : ?
thanks in advance ...
No, assuming .
Let , , and . Then, and .
If , then . The preceding equation cannot be solved; therefore, the answer is no.
I found a disproof on Wikipedia: Dot product - Wikipedia, the free encyclopedia
No, you are correct. My reasoning was flawed. Here is a disproof on Wikipedia: Dot product - Wikipedia, the free encyclopedia