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Search found 4415 matches

by Vayutuvan
18 Oct 2017 21:27
Forum: Technology & Economic Forum
Topic: BR Maths Corner-1
Replies: 1713
Views: 56911

Re: BR Maths Corner-1

Hmm. Easy you say? :shock: :oops: Like most of mathematics, tricksy but once you see the trick... if you rewrite = 3 as 2+1 and eliminate the square root by squaring both sides. then you see (2+1)^2 - 1 = 2 sqrt(1+3...) which becomes (3+1)^2 - 1 = 3*sqrt(1+4....) so if you define f(k) as sqrt(1+ (k...
by Vayutuvan
18 Oct 2017 04:31
Forum: Technology & Economic Forum
Topic: BR Maths Corner-1
Replies: 1713
Views: 56911

Re: BR Maths Corner-1

What's Special About This Number? If you know a distinctive fact about a number not listed here, please e-mail me. primes graphs digits sums of powers bases combinatorics powers/polygonal Fibonacci geometry repdigits algebra perfect/amicable pandigital matrices divisors games/puzzles 0 is the addit...
by Vayutuvan
18 Oct 2017 04:19
Forum: Technology & Economic Forum
Topic: BR Maths Corner-1
Replies: 1713
Views: 56911

Re: BR Maths Corner-1

Vayutuvan wrote:... some who have seen aims liar similar problems before, to whit Prof. Bruce Berendt and his students.


Correcting spelling mistake.
by Vayutuvan
18 Oct 2017 04:18
Forum: Technology & Economic Forum
Topic: BR Maths Corner-1
Replies: 1713
Views: 56911

Re: BR Maths Corner-1

I got 1 (trivial case) and {n: n = 0 (mod 3)} I will take a shot at proving that there are no more. Yes, The *only* case is (3,6,9). There is no other solution. Hint: Very easy to prove no solution for numbers like (3k+2). Slightly difficult for numbers like (3k+1) (If you try just few small number...
by Vayutuvan
18 Oct 2017 04:12
Forum: Technology & Economic Forum
Topic: BR Maths Corner-1
Replies: 1713
Views: 56911

Re: BR Maths Corner-1

periaswamy wrote:
See if you can prove this from Ramajujan's problem:


Nice. Easily proven using induction once you rewrite the infinitely nested function in the form: f(k+1) = g(k)

Hmm. Easy you say? :shock: :oops:
by Vayutuvan
18 Oct 2017 01:14
Forum: Technology & Economic Forum
Topic: BR Maths Corner-1
Replies: 1713
Views: 56911

Re: BR Maths Corner-1

Wondering if anyone here found this interesting .. or found an interesting solution... .. All indian (and USA) students got this problem right and scored a perfect score.. ---- - Problem 1 is fairly easy, if anyone likes to try it here (or ask that to a bright student). [b]Your job is to find a *al...
by Vayutuvan
17 Oct 2017 04:57
Forum: Technology & Economic Forum
Topic: BR Maths Corner-1
Replies: 1713
Views: 56911

Re: BR Maths Corner-1

Two Indian Gold medallists - but neither representing India ! Iran continues to do well...while India is behind even countries like Bangladesh, Saudi Arabia and Mexico ! Arjun ji, since you hold that the IQs must be high and within the same band for people of Indian origin, whether in India or else...
by Vayutuvan
17 Oct 2017 03:04
Forum: Technology & Economic Forum
Topic: BR Maths Corner-1
Replies: 1713
Views: 56911

Re: BR Maths Corner-1

To day is Word Maths Day: See if you can prove this from Ramajujan's problem: (One of the relatively easy problem) https://d2r55xnwy6nx47t.cloudfront.net/uploads/2016/07/F3.png Are we allowed to use limits? Some form the Squeeze theorem can be used, if my intuition is correct. I worked on it a litt...
by Vayutuvan
12 Oct 2017 06:57
Forum: Strategic Issues & International Relations Forum
Topic: India-US relations: News and Discussions IV
Replies: 577
Views: 59076

Re: India-US relations: News and Discussions IV

NYU is starting an engineering school again and it was an opportunity to get name on the building. No it is not starting "an engineering school again". It has taken over Brooklyn Polytechnic (which became Polytechnic Univ. of NY). Brooklyn Poly is no slouch, really. One of my alma maters....
by Vayutuvan
12 Oct 2017 05:44
Forum: Strategic Issues & International Relations Forum
Topic: India-US relations: News and Discussions IV
Replies: 577
Views: 59076

Re: India-US relations: News and Discussions IV

They may have been crooks. The reason they were "caught" while vastly greater numbers of white crooks (with equal or greater culpability) were not? Pretty obvious to anyone who looks. Now this. 2015 sting of Weinstien was not acted upon. The same NY attorney general persecuted Devyani Kho...
by Vayutuvan
12 Oct 2017 05:04
Forum: Strategic Issues & International Relations Forum
Topic: India-US relations: News and Discussions IV
Replies: 577
Views: 59076

Re: India-US relations: News and Discussions IV

It's always been a mystery to me why we have so few IITs. We should'e had by now at least 20+ around the country, Err...we do have 23 across the country! So are they the top 23 instis.? Are the original five same as the eight ivy leagues? So what are the choices for the top 120 engg. schools, top 4...
by Vayutuvan
25 Sep 2017 23:09
Forum: Technology & Economic Forum
Topic: Indian Economy News & Discussion - Aug 26 2015
Replies: 4325
Views: 356777

Re: Indian Economy News & Discussion - Aug 26 2015

Vidur wrote:These are cries of lawless people being made law abiding by danda. It would be worrying if they didn't scream.

Succinct.
by Vayutuvan
10 Sep 2017 23:39
Forum: Technology & Economic Forum
Topic: Indian Education System
Replies: 3659
Views: 142312

Re: Indian Education System

http://indianexpress.com/article/education/centre-to-provide-monthly-fellowship-of-rs-70000-for-iit-and-iisc-bengaluru-phd-researchers-4804210/ The Centre will provide Rs 70,000 as monthly fellowship to those researchers doing their PhDs in IITs or IISc, ... What are their responsibilities? Mtechs ...
by Vayutuvan
10 Sep 2017 23:33
Forum: Technology & Economic Forum
Topic: Indian Education System
Replies: 3659
Views: 142312

Re: Indian Education System

... The above article emphasizes a lot on SolidEdge CAD package because it was sponsored by Siemens. BTW, the article is written by a practising industry CAD manager. I understand what you are saying. That said, solidedge is a very expensive package but it also probably the most capable. For some r...
by Vayutuvan
26 Aug 2017 01:04
Forum: Strategic Issues & International Relations Forum
Topic: India - South & North Korea Thread
Replies: 758
Views: 49244

Re: India - South & North Korea Thread

There have been lots of studies on the economic ramifications of a reunion. The gap between SoKo and NoKo is much higher than the gap that existed between FDR and GDR in 1990- to this day many Germans Wessi and Ossie grumble about the costs and the aftermath of reunion. <snipped some excellent info...
by Vayutuvan
12 Aug 2017 06:17
Forum: Technology & Economic Forum
Topic: Indian Education System
Replies: 3659
Views: 142312

Re: Indian Education System

I really disagree, we don't need people with Solid Edge or other fancy 'CAD skills' . What we need is reverse engineering and technology business development (startups), and lots of it. These startups will need a mix of experienced people and younger, enthusiastic people.... You hit the nail on its...
by Vayutuvan
11 Aug 2017 04:58
Forum: Strategic Issues & International Relations Forum
Topic: Neutering & Defanging Chinese Threat (09-08-2014)
Replies: 10136
Views: 717441

Re: Neutering & defeating Chinese Threat (09-08-2014)

Did i say that Tibet, Doklam are not areas, unless we start thinking in expansionist mindset, ... Time to change our mindset. Doklam is part of Tibet which is under illegal occupation by Peoples Repub[l]ic of China or rather Peopres lepubric of China Almy. Not too different from Bakistan's rulers w...
by Vayutuvan
11 Aug 2017 04:52
Forum: Strategic Issues & International Relations Forum
Topic: Neutering & Defanging Chinese Threat (09-08-2014)
Replies: 10136
Views: 717441

Re: Managing Chinese Threat (09-08-2014)

Chengdu to Jorhat is approx 1000km. So long range massed alcm strikes are a possibility. Don't need to roll in launchers into Tibet to do this. Is CJ-10 a real ALCM (Air launched Cruise Missile)? In any case, it is a subsonic CM. Can it be intercepted? But again, may be not. CMs can take effective ...
by Vayutuvan
11 Aug 2017 04:47
Forum: Technology & Economic Forum
Topic: Indian Economy News & Discussion - Aug 26 2015
Replies: 4325
Views: 356777

Re: Indian Economy News & Discussion - Aug 26 2015

That's not how the dividend works. The difference is the cost of the entire demonetization exercise - the time, effort and manpower expended in collecting and tabulating old notes, and printing and distributing new notes. Sorry I don't understand. The costs of the bolded part cannot be as high as 3...
by Vayutuvan
09 Aug 2017 09:53
Forum: Strategic Issues & International Relations Forum
Topic: Neutering & Defanging Chinese Threat (09-08-2014)
Replies: 10136
Views: 717441

Re: Managing Chinese Threat (09-08-2014)

Pulikeshi ji, this one is a fu manchu(rian candidate).
by Vayutuvan
09 Aug 2017 09:50
Forum: Strategic Issues & International Relations Forum
Topic: Neutering & Defanging Chinese Threat (09-08-2014)
Replies: 10136
Views: 717441

Re: Managing Chinese Threat (09-08-2014)

Liu wrote:it is reported that chinese citizens in india now start retreating.

What does that mean? These Chinese citizens retreat to ... where? Please do expand. Don't be so frugal spilling your pearls of wisdom.
by Vayutuvan
09 Aug 2017 09:46
Forum: Strategic Issues & International Relations Forum
Topic: Neutering & Defanging Chinese Threat (09-08-2014)
Replies: 10136
Views: 717441

Re: Managing Chinese Threat (09-08-2014)

Collapse of Red China is what Asia needs. ... Is there a way to accelerate towards that goal? But then Red China will become democratic China. It could be a bigger threat unless a few outer provinces and illegally occupied Tibet are freed including HK/Macau and with Taiwan as the real China. The ru...
by Vayutuvan
03 Jun 2017 10:58
Forum: Strategic Issues & International Relations Forum
Topic: India-US relations: News and Discussions III
Replies: 3964
Views: 334235

Re: India-US relations: News and Discussions III

India gets about 60% power from coal, so the ratio is 3/5 than 2/3. At one time it used to nearly 70%, so over the years this number has gone down albeit at a slow rate. Given the current trajectory and India's commitment to paris treaty it will keep going down. Anyway OT for this thread so I will ...
by Vayutuvan
03 Jun 2017 10:53
Forum: Strategic Issues & International Relations Forum
Topic: India-US relations: News and Discussions III
Replies: 3964
Views: 334235

Re: India-US relations: News and Discussions III

OT but I'm afraid I never understood how it constrains Indian or any economy to develop a brand new high-end sector in renewable technology business. It is not easy in a country where the top corporates are extremely risk averse. As it is very little progress is made in the US itself whic, putative...
by Vayutuvan
02 Jun 2017 11:10
Forum: Technology & Economic Forum
Topic: Solar energy in India
Replies: 957
Views: 45885

Re: Solar energy in India

Them saar, good lord where have you been? Welcome back.
by Vayutuvan
01 Jun 2017 11:18
Forum: Strategic Issues & International Relations Forum
Topic: Understanding US thread-III
Replies: 3131
Views: 173099

Re: Understanding US thread-III

Lalmohan wrote:
Cosmo_R wrote:
Takei the "Great Helmsman"?


he boldly goes...

Interestingly startrek was quite sexist for many years and finally changed where "no man has gone before" to "no one has gone before" back in 1992 IIRC. OT.
by Vayutuvan
01 Jun 2017 11:11
Forum: Strategic Issues & International Relations Forum
Topic: Understanding US thread-III
Replies: 3131
Views: 173099

Re: Understanding US thread-III

Cosmo_R wrote:
Lalmohan wrote:as george takei puts it: for an administration that is so into back channels its a little surprising that they are so anti-gay


Takei the "Great Helmsman"?

He is gay.
by Vayutuvan
22 May 2017 11:53
Forum: Strategic Issues & International Relations Forum
Topic: Understanding US thread-III
Replies: 3131
Views: 173099

Re: Understanding US thread-III

Proof by example? What does it mean, if it means anything? :roll:
by Vayutuvan
30 Apr 2017 03:47
Forum: Strategic Issues & International Relations Forum
Topic: Deterrence
Replies: 4279
Views: 179100

Re: Deterrence

Of course this entire argument is time-pass but I do think Karnad puts up timepass arguments A nation that does not want nuclear war will likely be deterred at the thought of just 10 bombs falling on their nation let alone 200 or 500. I have not understood the logic that says " I am not deterr...
by Vayutuvan
30 Apr 2017 01:37
Forum: Strategic Issues & International Relations Forum
Topic: Understanding US thread-III
Replies: 3131
Views: 173099

Re: Understanding US thread-III

Below is a nice balanced article for those who are able to separate Obama, the politician, Obama, the African-American, and Obama, the Social Organizer.

The Obamas face the paid-speaking circuit — and all the questions that come with it
by Vayutuvan
30 Apr 2017 01:18
Forum: Strategic Issues & International Relations Forum
Topic: Understanding US thread-III
Replies: 3131
Views: 173099

Re: Understanding US thread-III

So you have a concern about a black man with his nose in the trough? What do I, a short dark, vegetarian, cow worshiping Indian municipal school, Indian state college, and an a US state school educated, women oppressing, injun-amerikhan joe know the idenitiy politics ways of African-American Assimi...
by Vayutuvan
30 Apr 2017 00:11
Forum: Strategic Issues & International Relations Forum
Topic: Out-of-India - From Theory to Truth: Part 2
Replies: 3534
Views: 133797

Re: Out-of-India - From Theory to Truth: Part 2

SriJoy wrote:1. The Brahmanas make it clear that the Rig Veda is composed in 'Brahmavarta' and 'Brahmavarta' is defined as a region of Northern/North-eastern Rajasthan. .


Reference for the above claim please.
by Vayutuvan
29 Apr 2017 00:15
Forum: Strategic Issues & International Relations Forum
Topic: Understanding US thread-III
Replies: 3131
Views: 173099

Re: Understanding US thread-III

Money is rolling into Ombaba's bank account at a rate of $400K/speech. Obama To Receive $400,000 Speaking Fee At Cantor Fitzgerald Conference The second $400K is from an advertising company. Even Lady Michelle Ombaba is going on speaking tours. Would she paid the same money as her man or only $280K ...
by Vayutuvan
29 Apr 2017 00:10
Forum: Strategic Issues & International Relations Forum
Topic: Understanding US thread-III
Replies: 3131
Views: 173099

Re: Understanding US thread-III

ramana wrote:Trump knows who to hit.

Very cruel. CA and NY and Peeople's republic of NJ are going ouch. :mrgreen:
by Vayutuvan
28 Apr 2017 10:05
Forum: Technology & Economic Forum
Topic: Indian IT Industry
Replies: 935
Views: 71252

Re: Indian IT Industry

Hanumadu, knaledge of English is the final arbiter betwixt bharatiyas and cheeni bhai log. But then that advantage is fast disappearing. We may have a 3 year advantage if that. We can't depend on that only. The best cours of action, not only in IT but in all other areas of endeavor, is to develop a ...
by Vayutuvan
28 Apr 2017 00:59
Forum: Technology & Economic Forum
Topic: BR Maths Corner-1
Replies: 1713
Views: 56911

Re: BR Maths Corner-1

One more thing I forgot to say. Unless one has lots and lots of data points, one would not be able to smooth away the discrete nature of the data without losing some information. Losing some key information might be the difference between predictions being correct or totally wrong. One thumb rule of...
by Vayutuvan
27 Apr 2017 10:14
Forum: Strategic Issues & International Relations Forum
Topic: Morbid Rubbernecking: New Korean War?
Replies: 510
Views: 34443

Re: Morbid Rubbernecking: New Korean War?

Who are cheen friends in that part of the globe? Aussies are iffy. Everybody else hates cheeni guts.
by Vayutuvan
27 Apr 2017 09:57
Forum: Strategic Issues & International Relations Forum
Topic: Morbid Rubbernecking: New Korean War?
Replies: 510
Views: 34443

Re: Morbid Rubbernecking: New Korean War?

Looking at the Nuclear Test Conducted by North , Total 5 of them https://en.wikipedia.org/wiki/List_of_nuclear_weapons_tests_of_North_Korea They have tested yeald ranging from Sub Kiloton 0.2 to 30 kt , This is good enough of range and test they have to build Nuclear Weapon for Sub Tactical to Stra...
by Vayutuvan
27 Apr 2017 04:55
Forum: Strategic Issues & International Relations Forum
Topic: Indo-UK News and Discussion - April 2013
Replies: 3962
Views: 122090

Re: Indo-UK News and Discussion - April 2013

The backlash against the Indians in WASP countries of USA, UK, Australia continues, could Canada, and NZ we next? These are the same countries whose ultra-secretive spy agencies are having shindig in NZ, in a remote five star resort with golf courses and all. I hope they are not cooking some sinist...

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