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Fréchet Derivative of a functional in $L^2$
functional-analysis
lp-spaces
frechet-derivative
$f(x,y) = \frac{x^3y}{x^4 + y^2}$ is not differentiable at $(0,0)$.
real-analysis
derivatives
frechet-derivative
Intuitive meaning of high order Fréchet derivative $D^k f_p(v_1, \cdots, v_l)$
derivatives
banach-spaces
frechet-derivative
Frechet derivative of square root on positive elements in some $C^*$-algebra
functional-analysis
c-star-algebras
frechet-derivative
Frechet derivative for bilinear map
derivatives
frechet-derivative
Understanding notation of derivatives of a matrix
linear-algebra
matrix-calculus
frechet-derivative
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