This is mostly a notation question.
Given $f(x) = <b,x>$, is the gradient, $\nabla f(x) = b$?
Also, given $g(x) = <Ax,x>$ where $A$ is a symmetric positive-semi definite matrix, then $\nabla g(x) = 2Ax$?
2026-04-11 16:02:10.1775923330
Basic Gradients with Dot Products of Variables
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