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If you are to find the normal vector at a point P of a 3D curve, you have to fina the gradient vector.
But if you are to find the direction in which the curve is steepest, you also have to find the gradient vector.
Is this wrong? I find it ambiguous.
But if you are to find the direction in which the curve is steepest, you also have to find the gradient vector.
Is this wrong? I find it ambiguous.