Solved

Solve Rubik's Cube - Up to Two Face Moves
A standard Rubik's Cube is shown in 3-D and also unfolded to identify the specific Tile-face/Vector numbering. The faces are ...

14 years ago

Solved

Create a vector whose elements depend on the previous element
The idea is to create a vector A whose elements depend on the previous element : *A(i+1) = 2*A(i)+1* *2 Inputs*: - A : The...

14 years ago

Solved

Create logical matrix with a specific row and column sums
Given two numbers *|n|* and *|s|*, build an |n-by-n| logical matrix (of only zeros and ones), such that both the row sums and th...

14 years ago

Solved

Calculate the Levenshtein distance between two strings
This problem description is lifted from <http://en.wikipedia.org/wiki/Levenshtein_distance>. The Levenshtein distance betwee...

14 years ago

Solved

Twist 'n' Match
Given n and m, construct an n-by-n matrix a such that a, when rotated 90 degrees and compared with itself, matches itself in exa...

14 years ago

Solved

Replace all zeros and NaNs in a matrix with the string 'error'
Given a numeric input matrix A, possibly containing some zero values and some NaNs, replace any occurrences of zero or NaN with ...

14 years ago

Solved

Sum the entries of each column of a matrix which satisfy a logical condition.
Given a numeric matrix A and a logical array L of the same size as A, return a row vector S containing the columnwise sums of th...

14 years ago

Problem

Solve Rubik's Cube - One Rotation
A standard Rubik's Cube is shown in 3-D and also unfolded to identify the specific Tile-face/Vector numbering. The faces are ...

14 years ago | 0 | 8 solvers

Problem

Perform Rubik's Cube Moves
A standard Rubik's Cube is shown in 3-D and also unfolded to identify the specific Tile-face numbering. The faces are White-U...

14 years ago | 3 | 23 solvers

Problem

What is Title of Cody Challenge 42?
Given a Cody Challenge number return its Title. *Input:* Cody Challenge Number *Output:* Title of the Cody Challenge ...

14 years ago | 6 | 32 solvers

Solved

What is Title of Cody Challenge 42?
Given a Cody Challenge number return its Title. *Input:* Cody Challenge Number *Output:* Title of the Cody Challenge ...

14 years ago

Solved

Replicate elements in vectors
Replicate each element of a row vector (with NaN) a constant number of times. Examples : n=2, A=[1 2 3] -> [1 1 2 2 3 3] n=0...

14 years ago

Solved

Community Problem 500!
In honor of this being the 500th Community problem, see if you can create a function that has a Cody size of 500. It can do any...

14 years ago

Solved

Add more zeros
Find code that adds one 0 to each sequence of 0 in a string (composed with only 0 or 1). For example: '1010' -> '100100' ...

14 years ago

Solved

Permute diagonal and antidiagonal
Permute diagonal and antidiagonal For example [1 2 3;4 5 6;7 8 9] -> [3 2 1;4 5 6;9 8 7] WITHOUT diag function (and variable n...

14 years ago

Solved

Genome Sequence 001: Introductory DNA Sequencing
This Challenge series will evolve the complexity of Genome DNA Sequencing. <http://en.wikipedia.org/wiki/Genome DNA Sequencing> ...

14 years ago

Solved

drowsy?
This dog() may be drowsy or function immediately when you call, return 1 or 0 accordingly within 2/10 second.

14 years ago

Solved

Memory Map File: Access and Update
Challenge is to read data from a memory map file and also update the file. Memory Mapping allows placing large static arrays ...

14 years ago

Solved

Find the Kronecker Tensor Product without using KRON
The Kronecker Tensor Product is the result of multiplying all elements of a matrix with each of the elements of another matrix. ...

14 years ago

Solved

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

14 years ago

Problem

Spectral Distance - Speed Scoring
Find quantity of pixels within a spectral distance from a given [r,g,b] spectra. *Spectral distance* = sqrt( (r0-ri)^2+(g0-gi...

14 years ago | 2 | 10 solvers

Solved

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...

14 years ago

Solved

Find the list of all open files
In the test suite, I use <http://www.mathworks.com/help/matlab/ref/fopen.html fopen> to create new files. The task is to find th...

14 years ago

Solved

How many monitors are connected ?
How to obtain the numbers of monitors connected to your computer ?

14 years ago

Solved

Without french accent please !
Suppress french accent For example 'Déjà présent' -> 'Deja present'

14 years ago

Solved

Find files with extension ext in the current directory
List all files with extension 'ext' in the current directory. Return a char matrix with the name of files in rows. Return 0 if...

14 years ago

Solved

Calculate the Hamming distance between two strings
Inspired by a similar Cody problem found <http://www.mathworks.com/matlabcentral/cody/problems/93-calculate-the-levenshtein-dist...

14 years ago

Solved

Spectral Distance - Speed Scoring
Find quantity of pixels within a spectral distance from a given [r,g,b] spectra. *Spectral distance* = sqrt( (r0-ri)^2+(g0-gi...

14 years ago

Problem

Hyperspectral Processing: Determine Material Components given a Hyperspectral vector
Given a hyperspectral data set and Reflectance Spectral Signature Library determine a pixel's component percentages. <http:/...

14 years ago | 3 | 10 solvers

Solved

14 years ago