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...

presque 3 ans il y a

A résolu


Reverse the elements of an array
Reverse the order of elements in an array: eg: input X = [ 1 2 3 ; 4 5 6 ; 7 8 9 ] o...

presque 3 ans 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...

presque 3 ans 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...

presque 3 ans il y a

A résolu


Project Euler: Problem 1, Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

presque 3 ans il y a

A résolu


Project Euler: Problem 10, Sum of Primes
The sum of the primes below 10 is 2 + 3 + 5 + 7 = 17. Find the sum of all the primes below the input, N. Thank you <http:/...

presque 3 ans 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...

presque 3 ans il y a

A résolu


The Goldbach Conjecture
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

presque 3 ans 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...

presque 3 ans 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...

presque 3 ans il y a

A résolu


Sum of series IX
What is the sum of the following sequence: Σ 1/k! for k=1...n for different n?

presque 3 ans il y a

A résolu


Sum of series VIII

presque 3 ans il y a

A résolu


Sum of series
a(n) = n^2 - (n-1)^2 find the summation of the series upto n i.e. a(1)+a(2)+...+a(n)

presque 3 ans il y a

A résolu


Sum of series VI
What is the sum of the following sequence: Σk⋅k! for k=1...n for different n?

presque 3 ans il y a

A résolu


Sum of series V
What is the sum of the following sequence: Σk(k+1) for k=1...n for different n?

presque 3 ans il y a

A résolu


Sum of series IV
What is the sum of the following sequence: Σ(-1)^(k+1) (2k-1)^2 for k=1...n for different n?

presque 3 ans il y a

A résolu


Sum of series III
What is the sum of the following sequence: Σ(2k-1)^3 for k=1...n for different n?

presque 3 ans il y a

A résolu


Sum of series II
What is the sum of the following sequence: Σ(2k-1)^2 for k=1...n for different n?

presque 3 ans il y a

A résolu


Sum of series VII
What is the sum of the following sequence: Σ(km^k)/(k+m)! for k=1...n for different n and m?

presque 3 ans il y a

A résolu


There are 10 types of people in the world
Those who know binary, and those who don't. The number 2015 is a palindrome in binary (11111011111 to be exact) Given a year...

presque 3 ans il y a

A résolu


Calculate area of sector
A=function(r,seta) r is radius of sector, seta is angle of sector, and A is its area. Area of sector A is defined as 0.5*(r^2...

presque 3 ans il y a

A résolu


Pizza!
Given a circular pizza with radius z and thickness a, return the pizza's volume. [ z is first input argument.] Non-scored bonus...

presque 3 ans il y a

A résolu


Energy of an object
Calculate the total mechanical energy of an object. Total Energy= Potential energy + Kinetic energy P.E.=m*g*h K.E.=1/2...

presque 3 ans il y a

A résolu


What gear ratio does the cyclist need?
A cyclist (perhaps including our famed Codysolver the cyclist <http://www.mathworks.com/matlabcentral/cody/players/1841757-the...

presque 3 ans il y a

A résolu


Coefficient of Kinetic friction
A robot exerts a F1 lb. force horizontally on a W lb. crate across a concrete floor at a constant speed. What is the coefficien...

presque 3 ans il y a

A résolu


Calculate load on arm 1
A robot is designed with a motor directly attached at the pivot point of the lifting arm. The L inch arm has a weight of W1 lbs...

presque 3 ans il y a

A résolu


Electrical Diode Current Calculation
In engineering, there is not always a single equation that describes a phenomenon accurately enough to be applied in all instanc...

presque 3 ans il y a

A résolu


Find the force required to support a lever
Students are designing a robot that will lift a block to the equilibrium position for transport to the scoring area. They have d...

presque 3 ans il y a

A résolu


Sum of series I
What is the sum of the following sequence: Σ(2k-1) for k=1...n for different n?

presque 3 ans il y a

A résolu


Energy Conversion 1

presque 3 ans il y a

Charger plus