Prove that the local error of this approximation of $u'(x)$ is $O(h^3)$
3424
Use taylor series to arrive at the expression f'(x)=1/h[-3*f(x)/2+2f(x+h)-f(x+2h)/2]
144382
Proving $\lVert x \rVert_3$ is smaller than euclidean norm
123005
$L^p$ Spaces, Young's Theorem, Convolutions, and Minkowski's Inequality
35298
A question about the higher-order Weyl variation for the geodesic distance
29810
Derivation of a generalization of Mertens' Third Theorem.
92638
Approximation of measurable function by simple functions
72702
Estimate on the derivative at fixed point
45682
Show that there exists a unique $v_0 \in H^1(0,1)$ such that $u(0)=\int_0^1(u'v_0'+uv_0), \forall u \in H^1(0,1)$
27812
Understanding the differential $dx$ when doing $u$-substitution
155413
Testing the convergence of cube root of some function of n
157742
Prove that $U(n)$ is a manifold
143869
Showing that the norm of the canonical projection $X\to X/M$ is $1$
17159
Proof of Closest Point Theorem in Hilbert Space
48246
Approximation of Riemann integrable function with a continuous function
66531
$\|h(x)-h(y)\|\geq 3\|x-y\|$ prove that image of open is open
141937
Prove that the $\lim_{(x,y) \to (0,0)}h(x,y)$ Does not Exist using Polar Coordinates
25765
Convergence radius of a power series 3