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1d
comment Calculating $\iint_{D} \left(x-y\right)dxdy$ where $D=\left\{0\le x-y\le 1,\:1\le xy\le 2\right\}$
what Sine qua non software did you use?
1d
comment Calculating $\iint_{D} \left(x-y\right)dxdy$ where $D=\left\{0\le x-y\le 1,\:1\le xy\le 2\right\}$
how did you make the image?
Aug
20
comment Are these inequalities useless for getting better estimates? If not what is needed?
I had seen the original idea for the proof of divergence (the first 2 inequalities), I have no original thought here just like a juxtaposition monkey randomly trying different different things to see if can sandwich the harmonic series between two other estimateable series and then squeeze them. By no means I am trying to find a better estimate than $\ln n$ for estimation of harmonic series
Aug
17
comment Is it possible that some combination of partial sums of $\sum \sqrt{k}$ be a rational number? $\text{where } k \text { not a perfect square}$
@barto : thanks, does math.stackexchange.com/a/437374/43288 answer it for the case of square roots only?
Aug
11
comment What is intresting about $\sqrt{\log_x{\exp{\sqrt{\log_x{\exp{\sqrt{\log_x{\exp{\cdots}}}}}}}}}=\log_x{e}$?
The answers are the to the content, your title and content are different. Title is asking what , content is asking why? I started a more specific question regarding what is interesting math.stackexchange.com/questions/1392673/…
Aug
11
comment What is intresting about $\sqrt{\log_x{\exp{\sqrt{\log_x{\exp{\sqrt{\log_x{\exp{\cdots}}}}}}}}}=\log_x{e}$?
holly hell, where did this come from? +1
Aug
4
comment Is $\sum\limits_{{\rm{i}} = 1}^{n - k} {{b_i}} \times {b_{n-2}} + b_{k}$ correct to express this pattern in base n?
@Shailesh : Thank you once again, I think finally it is fixed! Ihope
Aug
4
comment Is $\sum\limits_{{\rm{i}} = 1}^{n - k} {{b_i}} \times {b_{n-2}} + b_{k}$ correct to express this pattern in base n?
@Shailesh : thank you, fixed it now, I think
Aug
4
comment Is $\sum\limits_{{\rm{i}} = 1}^{n - k} {{b_i}} \times {b_{n-2}} + b_{k}$ correct to express this pattern in base n?
I don't know what you mean, can you please edit the question so I can see what you mean please?
Aug
3
comment What is the symbol for primes?
@YvesDaoust I can guess what 2 is for, but what is 0 for? Thanks a lot BTW :)
Aug
3
comment What is the symbol for primes?
@Squirtle : That might no longer be relevant, times have changed a lot. All the books in the library that had that notation have disappeared and book shelves are empty. So thank you for updating me! :)
Aug
3
comment What is the symbol for primes?
@Squirtle : Back in the day ( quarter a century ago) I was taught that is the Symbol for integers, which is different than Natural Numbers which is different than Numbers!
Jul
31
comment Prime Number Algorithm
as Ofir Schnabel said, think why you dont need to check if 10 for example does not have any factors greater than 3? or 100 does not have any factors greater than 10?
Jul
31
comment Are primes randomly distributed?
Good points. Can you expand on "since Prime numbers are factual things that are always going to be in the same numerical location no matter what number system you use, that they can not be random" please, Is there any related theorem or conjuncture or result related to this statement?
Jul
28
comment What is your favorite application of the Pigeonhole Principle?
@DanielV: not assuming, estimating. i think maximum number of hair possible on a human body is even less than number of people in new York.
Jul
28
comment Does the Law of Sines and the Law of Cosines apply to all triangles?
@Sourisse : yes you are absolutely right, so I'll mention it :) That it holds Only for triangles in Euclidean geometry. They are not always true for triangles on the surface of sphere for example.
Jul
16
comment Ternary equivalence relations that are not equivalent to some binary equivalance
Thank you @AndréNicolas, yes, either and both. at this stage I take either. Is there a theorem that expresses whether any n-ary relation can be decomposed into n-1 ary relations? or how ? Then I will chase that one instead of this question
Jul
3
comment Why are some branches of mathematics called 'theory' and others not?
Why the down vote? It is a good question. +1
Jun
5
comment what is the parametric form for “mystery curve”?
@A.P. : Thank you, I am going to need some time to comprehend what you are saying.
Jun
5
comment what is the parametric form for “mystery curve”?
@A.P. : I seriously cant see how this is same as parametric form without opening it up using Euler's identity. This formula doesn't explain the periodicity of the curve. If indeed it has a periodicity at all.