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Math Help - f decreases most rapidly at Q

  1. #1
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    f decreases most rapidly at Q

    Find a unit vector in the direction in which f decreases most rapidly at Q
    Thank u!
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  2. #2
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    Quote Originally Posted by vincent8818 View Post
    Find a unit vector in the direction in which f decreases most rapidly at Q
    Thank u!
    \nabla f is the direction of most rapid increase, so -\nabla f is the direction of most rapid decrease, so now you need only normalise it.

    RonL
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