photo

ANH DUC


Last seen: environ 2 mois il y a Actif depuis 2025

Followers: 0   Following: 0

Statistiques

Cody

0 Problèmes
152 Solutions

RANG
N/A
of 300 791

RÉPUTATION
N/A

CONTRIBUTIONS
0 Questions
0 Réponses

ACCEPTATION DE VOS RÉPONSES
0.00%

VOTES REÇUS
0

RANG
 of 21 091

RÉPUTATION
N/A

CLASSEMENT MOYEN
0.00

CONTRIBUTIONS
0 Fichier

TÉLÉCHARGEMENTS
0

ALL TIME TÉLÉCHARGEMENTS
0

RANG
1 130
of 171 083

CONTRIBUTIONS
0 Problèmes
152 Solutions

SCORE
2 133

NOMBRE DE BADGES
11

CONTRIBUTIONS
0 Publications

CONTRIBUTIONS
0 Public Chaîne

CLASSEMENT MOYEN

CONTRIBUTIONS
0 Point fort

NOMBRE MOYEN DE LIKES

  • Draw Letters
  • Introduction to MATLAB Master
  • Community Group Solver
  • Solver

Afficher les badges

Feeds

Afficher par

A résolu


Is X a Fibonacci Matrix?
In honor of Cleve's new blog and post: <http://blogs.mathworks.com/cleve/2012/06/03/fibonacci-matrices/> Is X a Fibonacci ...

environ 2 mois il y a

A résolu


Fibonacci Decomposition
Every positive integer has a unique decomposition into nonconsecutive Fibonacci numbers f1+f2+ ... Given a positive integer n, r...

environ 2 mois il y a

A résolu


How many Fibonacci numbers?
Find the number of unique Fibonacci numbers (don't count repeats) in a vector of positive integers. Example: x = [1 2 3 4...

environ 2 mois il y a

A résolu


Triangle sequence
A sequence of triangles is constructed in the following way: 1) the first triangle is Pythagoras' 3-4-5 triangle 2) the second...

environ 2 mois il y a

A résolu


Project Euler: Problem 2, Sum of even Fibonacci
Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 te...

environ 2 mois il y a

A résolu


Number of Even Elements in Fibonacci Sequence
Find how many even Fibonacci numbers are available in the first d numbers. Consider the following first 14 numbers 1 1 2...

environ 2 mois il y a

A résolu


Fibonacci-Sum of Squares
Given the Fibonacci sequence defined by the following recursive relation, * F(n) = F(n-1) + F(n-2) * where F(1) = 1 and F(1)...

environ 2 mois il y a

A résolu


Project Euler: Problem 7, Nth prime
By listing the first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see that the 6th prime is 13. What is the Nth prime numb...

environ 2 mois il y a

A résolu


Find the next prime number
Find the next prime number or numbers for given n. For example: n = 1; out = 2; or n = [5 7]; out = [7 11]; ...

environ 2 mois il y a

A résolu


Make a vector of prime numbers
Input(n) - length of vector with prime numbers Output(v) - vector of prime numbers Example: * n=1; v=2 * n=3; v=[2 3 5...

environ 2 mois il y a

A résolu


Largest Twin Primes
<http://en.wikipedia.org/wiki/Twin_prime Twin primes> are primes p1, p2 = p1 + 2 such that both p1 and p2 are prime numbers. Giv...

environ 2 mois il y a

A résolu


Mersenne Primes
A Mersenne prime is a prime number of the form M = 2^p - 1, where p is another prime number. For example, 31 is a Mersenne prim...

environ 2 mois il y a

A résolu


Find nearest prime number less than input number
Find nearest prime number less than input number. For example: if the input number is 125, then the nearest prime number whi...

environ 2 mois il y a

A résolu


Sophie Germain prime
In number theory, a prime number p is a *Sophie Germain prime* if 2p + 1 is also prime. For example, 23 is a Sophie Germain prim...

environ 2 mois il y a

A résolu


Circular Primes (based on Project Euler, problem 35)
The number, 197, is called a circular prime because all rotations of the digits: 197, 971, and 719, are themselves prime. The...

environ 2 mois il y a

A résolu


Mersenne Primes vs. All Primes
A Mersenne prime (M) is a prime number of the form M = 2^p - 1, where p is another prime number. <https://www.mathworks.com/matl...

environ 2 mois il y a

A résolu


The Goldbach Conjecture
The Goldbach conjecture asserts that every even integer greater than 2 can be expressed as the sum of two primes. Given the eve...

environ 2 mois il y a

A résolu


Numbers with prime factors 2, 3 and 5.
Make a function which takes one positive integer n and returns a matrix with the numbers of the form (2^i)*(3^j)*(5^k) which are...

environ 2 mois il y a

A résolu


Proper Factors
Generate the proper factors of input integer x and return them in ascending order. For more information on proper factors, refer...

environ 2 mois il y a

A résolu


Multiples of a Number in a Given Range
Given an integer factor _f_ and a range defined by _xlow_ and _xhigh_ inclusive, return a vector of the multiples of _f_ that fa...

environ 2 mois il y a

A résolu


Project Euler: Problem 3, Largest prime factor
The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number being input, input might be ui...

environ 2 mois il y a

A résolu


Smith numbers
Return true if the input is a Smith number in base ten. Otherwise, return false. Read about Smith numbers at http://en.wikipedia...

environ 2 mois il y a

A résolu


Prime factor digits
Consider the following number system. Calculate the prime factorization for each number n, then represent the prime factors in a...

environ 2 mois il y a

A résolu


Return fibonacci sequence do not use loop and condition
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: ...

environ 2 mois il y a

A résolu


Find the next Fibonacci number
In the sequence of Fibonacci numbers, every number is the sum of the two preceding ones: 1, 1, 2, 3, 5, 8, 13, 21, 34, 55...

environ 2 mois il y a

A résolu


Return the Fibonacci Sequence
Write a code which returns the Fibonacci Sequence such that the largest value in the sequence is less than the input integer N. ...

environ 2 mois il y a

A résolu


Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Input...

environ 2 mois il y a

A résolu


Flipping a Matrix
Flipping matrix up and down. If a central row is exists, leave it, and flip remaining rows. Example Mat = magic(3) ...

environ 2 mois il y a

A résolu


Flip the diagonal values
Write a program that flip the elements of main diagonal , upper and lower diagonal values of a sqare matrix. For example if a ...

environ 2 mois il y a

A résolu


Flip the bit
Given an input character string (e.g. '1001'), return a character string with the bits flipped ('0110').

environ 2 mois il y a

Charger plus