Gelöst

N-Queens Checker
Picture a chessboard populated with a number of queens (i.e. pieces that can move like a queen in chess). The board is a matrix,...

etwa 12 Jahre vor

Gelöst

Double Deal
*Description* Given an input vector _v_, return the first element as the first output, the second element as the second outpu...

etwa 12 Jahre vor

Gelöst

Getting the indices from a matrice
Getting the indices from a matrice. Inspired by Problem 645. Getting the indices from a vector by the great Doug Hull. Given a...

etwa 12 Jahre vor

Gelöst

Sum of big primes without primes
Inspired by Project Euler n°10 (I am quite obviously a fan). With problem n°250 by Doug, you can find some global methods to ...

etwa 12 Jahre vor

Gelöst

Golomb's self-describing sequence (based on Euler 341)
The Golomb's self-describing sequence {G(n)} is the only nondecreasing sequence of natural numbers such that n appears exactly G...

etwa 12 Jahre vor

Gelöst

Eight Queens Solution Checker
Write a function to verify whether an arrangement of queens on a chessboard is a valid solution to the classic <http://en.wikipe...

etwa 12 Jahre vor

Gelöst

Pandigital number n°3 (Inspired by Project Euler 32)
After Problem 2319 and 2320. An n-digit number is pandigital if it makes use of all the digits 1 to n exactly ONCE. For examp...

etwa 12 Jahre vor

Gelöst

Pandigital number n°2 (Inspired by Project Euler 32)
After <http://www.mathworks.com/matlabcentral/cody/problems/2319 Problem 2319>. An n-digit number is pandigital if it makes u...

etwa 12 Jahre vor

Gelöst

Pandigital number n°1 (Inspired by Project Euler 32)
A little warm-up to begin... An n-digit number is pandigital if it makes use of all the digits 1 to n exactly ONCE. For ex...

etwa 12 Jahre vor

Gelöst

Hard limit function
Classify x data as if x>=0 then y=1 if x<0 then y=0 Example x = [ -2 -1 0 1 2] y = [ 0 0 1 1 1]

etwa 12 Jahre vor

Gelöst

I've got the power! (Inspired by Project Euler problem 29)
Consider all integer combinations of a^b and b^a for the integer values 2 ≤ a ≤ 4 and 2 ≤ b ≤ 5: 2^2=4, 2^3=8, 2^4=16,...

etwa 12 Jahre vor

Gelöst

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...

etwa 12 Jahre vor

Gelöst

Lychrel Number Test (Inspired by Project Euler Problem 55)
The task for this problem is to create a function that takes a number _n_ and tests if it might be a Lychrel number. This is, re...

etwa 12 Jahre vor

Gelöst

edge detection
write a function that gives the indexes of rising or falling edge x is a vector (assume it contains always at least one eleme...

etwa 12 Jahre vor

Gelöst

Matrix rotation as per given angle
Given a user defined matrix and angle of rotation, rotate the elements of output matrix as clockwise or anti-clockwise. Angle wi...

etwa 12 Jahre vor

Gelöst

Wheat on a chessboard pt 1
If a chessboard were to have wheat placed upon each square such that one grain were placed on the first square and each successi...

etwa 12 Jahre vor

Gelöst

calculate linear convolution two vectors
for e.g in: a = [1 2 3] b = [4 5 6] out: y = [4 13 28 27 18]

etwa 12 Jahre vor

Gelöst

Create One Large Eye of size N x N Quickly?
*<http://en.wikipedia.org/wiki/Aye_(yes) Aye !!!>*

etwa 12 Jahre vor

Gelöst

Calculate distance travelled when given radius and rotations
When given radius of wheel and number of rotations calculate total distance travelled consider pi=3.14

etwa 12 Jahre vor

Gelöst

Upper triangular matrix
Create a function to retrieve the upper triangular matrix of a matrix (without using tril). The matrix will always be square. ...

etwa 12 Jahre vor

Gelöst

construct matrix with identical rows
Input a row vector such as x=1:10. Now we need to construct a matrix with L rows,of which every row vector is a copy of x. E...

etwa 12 Jahre vor

Gelöst

Minefield Sonar
*Background* In mine-hunting games (e.g. Microsoft Minesweeper), the user is provided with a covered grid that, upon a left c...

etwa 12 Jahre vor

Gelöst

Nilpotent matrix
Check if matrix A is <http://mathworks.com/ nilpotent>.

etwa 12 Jahre vor

Gelöst

Symmetric matrix
You must create a n-by-n *symmetric* matrix such that A(row,col) = row/col for col >= row. Example if n =3 : output is : ...

etwa 12 Jahre vor

Gelöst

Factorial Numbers
Factorial is multiplication of integers. So factorial of 6 is 720 = 1 * 2 * 3 * 4* 5 *6 Thus 6 factorial = factorial(720)....

etwa 12 Jahre vor

Gelöst

Add a row of zeros on top of a matrix
Given a matrix, insert a row of zeros as the top row.

etwa 12 Jahre vor

Gelöst

Determine if input is a perfect number
A <http://en.wikipedia.org/wiki/Perfect_number/ perfect number> occurs whent the sum of all divisors of a positive integer, exce...

etwa 12 Jahre vor

Gelöst

commutative?
Given the handle to a binary function that takes two ordinary numbers, test if the function is commutative.

etwa 12 Jahre vor

Gelöst

Reverse a matrix
Its simple. You have to reverse a given matrix.

etwa 12 Jahre vor

Gelöst

Perfect Square or not
find Given input x is perfect square or not,if yes then output y=1.else y=0

etwa 12 Jahre vor