User Myridium

18 votes

How is addition different than multiplication?

answered Jul 1, 2014 at 21:48

14 votes

Division by $0$ and its restrictions

answered Dec 3, 2017 at 0:42

12 votes

Accepted

What is the intuition and motivation behind a norm on a space?

answered Jun 8, 2014 at 10:09

8 votes

Accepted

True or False? The transformation $T$ on the set of all continuous functions that is defined by $T(f) = f (1)$ is a linear transformation.

answered Oct 17, 2016 at 1:05

7 votes

If $n = 51! +1$, then find number of primes among $n+1,n+2,\ldots, n+50$

answered Jun 30, 2014 at 20:16

5 votes

What's wrong with my aproach to solving this equation with multiple logarithms?

answered Jul 22, 2014 at 6:42

5 votes

Lagrange multipliers tangency

answered Dec 26, 2017 at 9:40

4 votes

Accepted

Compute $M=\sum_{n=1}^{40}[\frac{n^2}{2}]$

answered Jan 5, 2018 at 4:49

4 votes

Closed solution of $\int\frac{x^n}{\sum_{k=0}^{n} \frac{x^{k}}{k!}}dx$

answered Jan 7, 2018 at 2:58

4 votes

Accepted

How to bound error when approximating ODE

answered Mar 1, 2015 at 17:03

4 votes

Accepted

Can the product of "Any number of prime numbers" be same as "Any other product of prime numbers".

answered Oct 17, 2016 at 8:16

4 votes

A cyclic group $G$ has only one proper subgroup and it is of order $p$ (a prime). What is the order of $G$?

answered Dec 26, 2017 at 7:06

3 votes

How many ways can you partition a set with $2n$ elements into two sets?

answered Oct 27, 2016 at 9:55

3 votes

Proving smoothness for a sequence of functions.

answered Jan 13, 2018 at 23:07

2 votes

Fast way to generate triangles of all possible equivalence classes within a grid

answered Mar 2, 2017 at 14:16

2 votes

Accepted

Local and Global Invertibility

answered Apr 9, 2017 at 21:21

2 votes

Multiplicative Partitions $abcd=2^8\cdot 3^8$

answered Apr 9, 2017 at 23:24

2 votes

Accepted

Multiple trigonometric functions?

answered Jul 26, 2017 at 21:04

2 votes

Why is $P(-1.33<z<1.33) = 1 - 2P(z<-1.33)$

answered Dec 28, 2017 at 9:39

2 votes

Accepted

Prove $\bar{S}$ is closed.

answered Oct 15, 2016 at 4:30

2 votes

How many inverses has each element of commutative ring?

answered Oct 17, 2016 at 13:46

2 votes

Accepted

Linear independence of projection matrices

answered Oct 21, 2016 at 14:10

2 votes

A fundamental matter : Why do trigonometric function depend on unit?

answered Oct 27, 2016 at 8:16

2 votes

Accepted

Given two corners of a rectangle, and an angle of rotation, is it possible to calculate the position of the other corners?

answered Oct 27, 2016 at 9:32

2 votes

Accepted

Quick group question on $GL(n)$

answered Mar 5, 2015 at 11:16

2 votes

Are all series with analytic continuation to a point resulting in Grandi's series equal to 1/2 at that point?

answered Mar 6, 2015 at 9:25

2 votes

Accepted

Does the Ray Casting Algorithm works in Poincare's Disk to detect if point is inside Polygone?

answered Jun 16, 2016 at 11:08

2 votes

What are these quotient spaces homeomorphic to?

answered Jul 24, 2016 at 17:07

2 votes

How find this function $f(x)$ such $f(a+f(b))=f(a+b)+f(b)$

answered Mar 31, 2014 at 15:17

1 vote

Given cell number how do you calculate efficiently which row and column it is in

answered Apr 1, 2014 at 6:15

Stack Exchange Network

92 Answers

How is addition different than multiplication?

Division by $0$ and its restrictions

What is the intuition and motivation behind a norm on a space?

True or False? The transformation $T$ on the set of all continuous functions that is defined by $T(f) = f (1)$ is a linear transformation.

If $n = 51! +1$, then find number of primes among $n+1,n+2,\ldots, n+50$

What's wrong with my aproach to solving this equation with multiple logarithms?

Lagrange multipliers tangency

Compute $M=\sum_{n=1}^{40}[\frac{n^2}{2}]$

Closed solution of $\int\frac{x^n}{\sum_{k=0}^{n} \frac{x^{k}}{k!}}dx$

How to bound error when approximating ODE

Can the product of "Any number of prime numbers" be same as "Any other product of prime numbers".

A cyclic group $G$ has only one proper subgroup and it is of order $p$ (a prime). What is the order of $G$?

How many ways can you partition a set with $2n$ elements into two sets?

Proving smoothness for a sequence of functions.

Fast way to generate triangles of all possible equivalence classes within a grid

Local and Global Invertibility

Multiplicative Partitions $abcd=2^8\cdot 3^8$

Multiple trigonometric functions?

Why is $P(-1.33<z<1.33) = 1 - 2P(z<-1.33)$

Prove $\bar{S}$ is closed.

How many inverses has each element of commutative ring?

Linear independence of projection matrices

A fundamental matter : Why do trigonometric function depend on unit?

Given two corners of a rectangle, and an angle of rotation, is it possible to calculate the position of the other corners?

Quick group question on $GL(n)$

Are all series with analytic continuation to a point resulting in Grandi's series equal to 1/2 at that point?

Does the Ray Casting Algorithm works in Poincare's Disk to detect if point is inside Polygone?

What are these quotient spaces homeomorphic to?

How find this function $f(x)$ such $f(a+f(b))=f(a+b)+f(b)$

Given cell number how do you calculate efficiently which row and column it is in