# big

1. ### Could use some help finding the Time complexity in Big Theta notation of some code

sum = 0 ; for ( i = 0 ; i < n ; i++ ) for ( j = 1 ; j < n^4 ; j = 4*j ) sum++ ; How would I go about finding the time complexity in big theta notation in terms of n for this algorithm? Thanks, I appreciate any help!
2. ### Big Oh Notation

How can I prove or disprove this? Thanks in advance...
3. ### Big question about $P(X=n)$ for $n\in \{0,1,\dots, 7\}$

(Undeleted) Let's say that we are playing a game, say Joker. A socalled Joker-number has a seven digit number, where every digit is one of the numbers, $0, 1,\dots, 9$. When playing Joker, you have a number that should be as close to the Joker-number as possible: the "right digit" is defined...
4. ### minor here big find to me

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5. ### In triangle, 1 angle is twice as big as 1 angle and 3/4 the size of the other. Help!

In a triangle (180 degrees), one angle is twice as big as one angle and 3/4 the size of the other. What is the measure of the smallest angle? How would you solve this? I have tried working backwards (as in, from the answers) but to no avail. There are too many variables? Choices: 48 96 98 72...
6. ### Big O notation.

I am creating a sorting program using an insertion sort for my coursework which i believe has a best, worst and average time order of O(n), O(n^2) and O(n^2) where n is the unsorted list size. However I am using four functions with while loops which will each operate n times before the insertion...
7. ### Times especially some BS chronic disease I'm a big fan about having them

Times especially some BS chronic disease I'm a big fan about having them do things like coffee enemas I'm to really flush their system obviously we got to 6 the guy I with a certain you know it your check diets that national when actually fixing the guy on certain supplements can be helpful but...
8. ### Question about computing primitive roots modulo p for very big prime p

Greetings, If p is big prime, how do we find a primitive root modulo p? Since p-1 is not prime, it's quite probable that (Z/pZ)* will contain subgroups and that some elements will generate only a subgroup of (Z/pZ)*. The Wikipedia says that there is no exact algorithm and it's all basically...
9. ### Big O and Omega help

1. Use the definition to show that f (x)= 2x^4 + 3x + 1 is O(x^4) 2. Use the definition to show that f (x) = 2x^4 + 3x + 1 is Omega (x^4)
10. ### hypothesis test for popluation mean using big samples ( unknown varaiance)

i am confused with the notes from two different books. in the first photo, the book use the SAMPLE VARIANCE to proceed , while in the second and third photo , the author use ESTIMATED VARIANCE from SAMPLE VARAIANCE to proceed, which is correct? can someone explain?
11. ### big rush for the math

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12. ### how to find sets/combination for big numbers .

Hi All, i want to find out set/case in following situation. there are three number.{1,2,3} "1" has too options,(exist or not exists and it will be less than "3") "2" has four options, it can be less than "1" , greater than "1" and less than "3", greater than "3" and exist or not exist...
13. ### I is a and about a big do you know whether

That deeply but I don't want to be disrespectful Molly how can I help you tied up to a cell yes ma'am yes at this question is actually for my niece she spoke years old and backing a pro she had an infection so adopted perfect from Seoul for yes and after she took effect until she became...
14. ### Rearranging an equation. A big equation.

Hello, I am working on a project, and I have an equation that i need to rearrange in terms of x. The equation: z = x (r sqrt(1-x^2/(4 r^2))-r+y)+0.5 r^2 (2 sin^(-1)(x/(2 r))-sin(2 sin^(-1)(x/(2 r)))) Which is the area of the given shape (basically a rectangle with a sector spliced on top)...
15. ### Big and small plates at a party... (maybe multiples or factors.... i'm not sure)

If anyone, could help me with these I m confused. Thanks! Some fairy cakes are delivered for Janey's party. Janey can use big plates or small plates to put the cakes on. If she uses big plates she can put 7 cakes on each plate with 5 left over. If she uses small plates she can put 5...
16. ### Defining Big Intersection

Hi guys. I completely understand the definition for the intersection between two or more sets, but this definition just does not make sense. If M is a set of sets. For all A which are an element of M, x is an element of A. Isn't that the exact same thing as the union? Am I reading this wrong...
17. ### Help with Big O Notation

Hi all, I urgently need help with below, have two questions (one based on the original algorithm and a second set of questions based on what I want to do) and would greatly appreciate if someone could help me with them: Original algorithm: I have an implementation of a greedy routing...
18. ### Re: Big O problem 2

I have one more problem. Arrange the functions 2^100n, 2^n^2, 2^n!, 2^2^n, n^logn, nlogn loglogn, n^3/2, n(logn)^3/2, and n^4/3(logn)^2 in a list so that each function is big-O of the next function. [Hint: To determine the relative size of some of these functions, take logarithms.] Some of...
19. ### Big O problem

What is the big 0 of (2^n+n^2)(n^3+3^n). I get that I foil this out. If I did this correctly, I get that this is O(6^n). Is this right or did I mess up somewhere?
20. ### big O witnesses

Q)to establish the big O relationship ,find witnesses C and K for the function f(n)=13n^3 +42n^2+2nlogn +4n solution: i try to solve it as when nlogn>n and n^2>nlogn and n^3>n^2 13n^3 +42n^2+2nlogn +4n<=13n^3 +42n^2 +2nlogn +4nlogn<=13n^3+42n^3+2n^3+4n^3<=61n^3 so witnesses are C=61 k=nlogn...