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An expert is a man who has made all the mistakes, which can be made, in a very narrow field. (Niels Bohr)


6h
revised Different methods to compute $\sum\limits_{n=1}^\infty \frac{1}{n^2}$
added 2 characters in body
1d
revised $ d(x,y)^2 \le d(x,z)^2 - d(y,z)^2\color{}{+\varphi\big(x,y,z,d(x,y),d(y,z) \big)}? $
added 750 characters in body; edited tags
Jul
8
revised On a topological proof of the infinitude of prime numbers.
added 9 characters in body
May
13
revised Computing the Frechet derivative of the inverse endomorphism.
added 37 characters in body
Apr
27
revised If $f$ is uniformly continuous on $\mathbb{R}$, $f(x) \ge a >0$ and $g(x) = 1/f(x)^2$, then $g(x)$ is uniformly continuous
deleted 1 character in body
Apr
26
revised Why is $\operatorname{Div}\big(\operatorname{Curl} F\big) = 0$? Intuition?
added 10 characters in body; edited title
Apr
20
revised $XD = DX$ then $X$ is diagonal
added 76 characters in body
Apr
18
revised Using implicit function theorem without using the inverse function theorem.
added 53 characters in body
Apr
5
revised Show that if $A^3=0$ but $A^2\ne0$, then $A^2v=0$ has a nontrivial solution
added 66 characters in body
Apr
5
revised Laplace transform of a piecewise function
added 12 characters in body
Apr
1
revised Interchanging the limiting operations
added 33 characters in body
Mar
31
revised Find this if $\mbox{cosec}( x) =$
added 14 characters in body; edited title
Mar
31
revised Distance of convex combination of pairs of points in $\mathbb{R}^n$
added 9 characters in body; edited title
Mar
30
revised Interchanging the limiting operations
added 106 characters in body
Mar
29
revised Interchanging the limiting operations
deleted 2 characters in body
Mar
29
revised Interchanging the limiting operations
added 177 characters in body
Mar
29
revised Interchanging the limiting operations
added 177 characters in body
Mar
21
revised When do i use row vectors over column vectors when showing the basis of null space of a matrix?
added 81 characters in body
Mar
21
revised Prove that $\mu(a, b)= \mu(1, b/a)$.
edited tags
Mar
21
revised Prove that $\mu(a, b)= \mu(1, b/a)$.
LaTeX and edit imagem