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Oct
31
revised Can't argue with success? Looking for “bad math” that “gets away with it”
improved formatting
Oct
19
reviewed Close Does a sub-$\sigma$-algebra of a countably generated $\sigma$-algebra have to be countably generated?
Oct
16
reviewed Leave Open Indirect proof of universal statement
Oct
16
reviewed Close About how much faster was Albert than Josh?
Oct
16
reviewed Close Consider the follow integration:
Oct
15
comment quadratic programing with both norm constraint and linear constraint
Get sufficient KKT [en.wikipedia.org/wiki/… optimality conditions of the problem. Then apply Kantorovich theorem [en.wikipedia.org/wiki/Kantorovich_theorem] on Newton method to obtain a solution of the problem.
Oct
15
reviewed No Action Needed quadratic programing with both norm constraint and linear constraint
Oct
15
reviewed Close Calculate $\lim_{x\to\infty} \frac{e^{x/2}}{2^x}$
Oct
15
reviewed Close Distance in coordinate system
Oct
15
reviewed Leave Open Length structure topology
Oct
15
reviewed Leave Open Does $\sin n$ have a maximum value for natural number $n$?
Oct
15
reviewed Close Determining continuous maps
Oct
15
reviewed Close Which is the greatest possible value of n
Oct
15
reviewed Close Prove inequality $\sqrt{\frac{2a}{b+a}} + \sqrt{\frac{2b}{c+b}} + \sqrt{\frac{2c}{a+c}} \leq 3$
Oct
15
reviewed Reviewed Steepest Descent of a function from $\mathbb{R}^2 \to \mathbb{R}$
Oct
15
reviewed Approve $f(x)$ has factor $x-a$ iff $R$ is UFD?
Oct
15
revised How can I prove $\int^{\infty}_{0} \frac{\ln(x)}{(x+a)^2+b^2} dx = \frac{\ln(\sqrt{a^2+b^2})}{b} \arctan(\frac{b}{a})$
LaTeX
Oct
13
revised On the Constant Rank Theorem and the Frobenius Theorem for differential equations.
edited tags
Oct
13
revised $\epsilon$-$\delta$ proof
added 5 characters in body
Oct
13
revised What is the gradient of $f=\| S-ABA^T \|^2$?
edited tags