what is the largest gap between rank and approximate rank?
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What is the largest gap between rank and approximate rank?
We know that the log of the rank of a 01 matrix is the lower bound of deterministic communication complexity, and the log of the approximate rank is the lower bound of randomized communication complexity. The largest gap between deterministic communication complexity and randomized communication complexity is exponential. So what about the gap between rank and approximate rank of a boolean matrix?
Answer:
First I'll give some background and define approximate rank. A good reference is the recent survey by...
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Why do Nordic countries rank only average or poor in health and survival of women whereas they perform much better in all other sub indexes of the Global Gender Gap report?
This is with the exception of Finland which ranks the first. The ranking: World gender gap index 2013: see how countries compare
Answer:
If you look at rank, then you do indeed see Finland (and 32 other countries) on a shared #1 rank for...

Why does the US rank dead last in healthcare rankings when compared to 10 other first world countries?
Mirror, Mirror on the Wall, 2014 Update: How the U.S. Health Care System Compares Internationally The United States health care system is the most expensive in the world, but this report and prior editions consistently show the U.S. underperforms relative...
Answer:
Because the ranking system you've linked has been specifically designed in its measurements to achieve...

Should I drop a year for GATE preparation? I am concerned about the negative impact a 1 year gap will have on my CV if I don't manage to get a decent rank. What should I do?
I am placed in Cognizant, Infosys, and Tech Mahindra. My branch is ECE. I don't want to pursue a M.Tech. I intend to join PSU through GATE.
Answer:
It depends. 1. If you have not been preparing for GATE, then it will be a bad idea to go for it now...

Rank, row rank, column rank and nullity of A and of A^T?
Rank, row rank, column rank and nullity of A and of A^T? 1 1 0 1 2 0 3 1 0 1 1 2 1 1 0 = A 1 0 1 2 1 (a) without carrying out any calculations, how do you know that the columns of A are linearly dependent? (b) determine the rank, row rank, column...
Answer:
That would be... Row rank = 4 Column rank = 5 Nullity? 4 Good luck!

What made Turkey rank low in gender gap?
Rankings
Answer:
What made Turkey rank low in gender gap?Thanks for the A2A. I guess its a very long and complex answer...

Rank function
QUESTION: While using the rank function in ansheet some positions/ranks skips. For ex. the entries are a2 = 100, a3 = 100, a4 = 60 , a5 = 50, a6 = 40, then the rank will appear like this b2=1,b3=1,b4=3,b5=4,b6=5. If we observe closely it skips rank ...
Answer:
See the attached picture (I revised my answer to explore another possiblity. Hopefully the picture remains...

Is it possible to get a job if there is a gap of 2 years after B.tech? As I'm not getting gate rank but want to continue preparation for gate.
Answer:
I'm also facing the same situation. It is definitely possible to get a job. Meanwhile you can keep preparing...

Reordering rank values
Dear I have a spreadsheet which has a list of business names (each unique) [column A] and a corresponding numeric value [column B], with a rank calculation in column C. Sometimes there are multiple scores of the same value. This results in a number...
Answer:
Elizabeth, If appears your formula for column D works fine for multiple rank values being the same...

There is a big gap in Rao's IIT JEE Mains Rank Predictor VS Career 360 vs Resonance. WHich one is more accurate?
Answer:
First let us make it clear that no tool can give you an exact rank. But it shows you expected rank range...