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)

environ un an 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?

environ un an 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?

environ un an 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?

environ un an 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?

environ un an 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?

environ un an 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?

environ un an il y a

A résolu


Prime Ladders
A <http://en.wikipedia.org/wiki/Word_ladder word ladder> transforms one word to another by means of single-letter mutations. So ...

environ un an il y a

A résolu


Goldbach's marginal conjecture - Write integer as sum of three primes
Goldbach's strong conjecture states that every even integer greater than 2 can be expressed as the sum of two primes. For exampl...

environ un an il y a

A résolu


Twins in a Window
<http://en.wikipedia.org/wiki/Twin_primes Twin primes> are prime numbers that differ by 2, such as [11,13] or [41,43]. Write a f...

environ un an il y a

A résolu


Twin Primes
Twin primes are pairs of primes that are immediately next to each other (difference of two). The lesser of twin primes are 3, 5,...

environ un an il y a

A résolu


Numbers spiral diagonals (Part 2)
Inspired by Project Euler n°28 and 58. A n x n spiral matrix is obtained by starting with the number 1 and moving to the right ...

environ un an il y a

A résolu


Volume Pillar
Calculate the volume of a pillar with radius l and heigth ar.

environ un an il y a

A résolu


Convert radians to degrees
Given input in radians, output to degrees

environ un an il y a

A résolu


Perimeter of a semicircle
Given the diameter d, find the perimeter of a semicircle

environ un an il y a

A résolu


Given a square and a circle, please decide whether the square covers more area.
You know the side of a square and the diameter of a circle, please decide whether the square covers more area.

environ un an il y a

A résolu


Approximation of Pi
Pi (divided by 4) can be approximated by the following infinite series: pi/4 = 1 - 1/3 + 1/5 - 1/7 + ... For a given number of...

environ un an il y a

A résolu


Pi Estimate 1
Estimate Pi as described in the following link: <http://www.people.virginia.edu/~teh1m/cody/Pi_estimation1.pdf>

environ un an il y a

A résolu


(Linear) Recurrence Equations - Generalised Fibonacci-like sequences
This problem is inspired by problems <http://uk.mathworks.com/matlabcentral/cody/problems/2187-generalized-fibonacci 2187>, <htt...

environ un an 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 un an 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 un an 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 un an 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 un an il y a

A résolu


Total energy

environ un an il y a

A résolu


Potential energy calculation

environ un an il y a

A résolu


Kinetic energy calculation

environ un an il y a

A résolu


Laws of motion 6

environ un an il y a

A résolu


Laws of motion 5

environ un an il y a

A résolu


Laws of motion 4
Given the initial velocity 'u', final velocity 'v' and acceleration 'a', find the distance travelled.

environ un an il y a

A résolu


Laws of motion 3

environ un an il y a

Charger plus