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Sep
10
reviewed Reopen Why is it important that a basis be orthonormal?
Sep
10
reviewed Leave Closed What is the most number of regions that 9 lines can cut the plane into
Sep
9
comment Finding the last two digits of a number by binomial theorem
Does, "compute the number" count as any other way? The number is 108347059433883722041830251.
Sep
7
answered What is the probability of guessing an IP correctly?
Sep
5
comment Solving a system of equations using modular arithmetic modulo 5
Print(Concatenation([":",")"]),"\n");
Sep
5
answered Solving a system of equations using modular arithmetic modulo 5
Sep
4
asked Is there a better way to input an $n$-cycle in GAP?
Sep
3
answered An abelian group of a certain order
Sep
2
comment Find the sum of all 4-digit numbers formed by using digits 0, 2, 3, 5 and 8?
I know how you feel. But it is useful to know how to solve problems computationally too, even if it is just to check human-written solutions. (By the way, what language is this?)
Sep
2
revised Counting the number of subgraphs isomorphic with the following digraph
added 107 characters in body
Sep
2
answered Can This Matrix Proof Be Done Without the Definition?
Sep
1
answered Graph Theory / Networks … Triadic Closure and Strong/Weak Ties
Aug
31
comment In how many ways can three numbers be selected from the numbers $1,2,\dots,300$ such that their sum is divisible by $3$?
Aside from the above, I found yours the best answer. Right to the point!
Aug
31
comment In how many ways can three numbers be selected from the numbers $1,2,\dots,300$ such that their sum is divisible by $3$?
I'd say the answer to that question is yes (but I don't know what it is).
Aug
31
answered In how many ways can three numbers be selected from the numbers $1,2,\dots,300$ such that their sum is divisible by $3$?
Aug
31
comment In how many ways can three numbers be selected from the numbers $1,2,\dots,300$ such that their sum is divisible by $3$?
In the $(0,1,2)$ case, we can choose $100^3$ triples.
Aug
31
revised Factorising complex equations
edited tags
Aug
31
reviewed Reviewed Want to clarify whether I am correct or not, $\Phi(G) \subseteq \Phi(H)$?
Aug
30
revised A problem on limit
added 137 characters in body
Aug
30
comment For what $n$ can $\pm 1\pm 2\pm 3 … \pm (n-1) \pm n = n+1$?
That's an assertion. Could you add a proof of this assertion into this answer?