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Nov
28
revised set notation, find min
added 557 characters in body
Nov
28
answered set notation, find min
Nov
28
accepted compute exponential of matrix with wolfram alpha
Nov
27
comment compute exponential of matrix with wolfram alpha
Now I got it... MatrixExp is the right function to use.
Nov
27
asked compute exponential of matrix with wolfram alpha
Nov
27
answered If $\dfrac{x_{n+1}}{x_n}$ converges to $l$, then $x_n$ converges to $0$
Nov
27
answered Metric space problem.
Nov
27
answered How to show that $\lim_{x\to \infty}f'(x)=0$
Nov
27
answered Continuity of addition under the lower limit topology
Nov
25
answered Possible Intersection of Intervals
Nov
25
comment Could someone explain the Lagrangian Method?
the tangent to the constraint $g=0$
Nov
23
answered Could someone explain the Lagrangian Method?
Nov
23
answered Formula of regular 2m-gon inscribed in a unit cirlce
Nov
23
revised How can I find the example of $f(x)$ such that $\,\lim_{x\to\infty}f(x) \neq 0$?
deleted 70 characters in body
Nov
23
answered How can I find the example of $f(x)$ such that $\,\lim_{x\to\infty}f(x) \neq 0$?
Nov
22
answered What is the difference between convergence of a sequence and convergence of a series?
Nov
20
answered Proof $x=\sin(x+1)$ has one solution in $\mathbb{R}$
Nov
18
comment Rolling ellipse on line - tangent and normal of roulette
$F$ and $K$ are fixed on the ellipse, so their distance is fixed. At time $t$ it happens that $K(t)$ is on the line, at other times the tangent point will be different.
Nov
18
answered Studying the differentiability of a function at a point $(a_{1},a_{2})$
Nov
18
answered Proving the convergence/divergence of a seemingly oscillating series