Linear Algebra Pulse

Five questions across 8 topics. No timer.

1 / 5Linear Algebra

Question 1 of 5

foundation (1/10)state theorem

For a differentiable scalar function f : R^{n} \to R at a point a, the directional derivative in the unit direction v is D_{v} f (a) . How does it relate to the gradient \nabla f (a) ?