Solved


Clean the List of Names
Given a list of names in a cell array, remove any duplications that result from different capitalizations of the same string. So...

14 years ago

Solved


Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

14 years ago

Solved


Duplicate each element of a vector.
for an n-dimensional vector x, the function should return another vector 2n-dimension which each element is repeated twice. Ex...

14 years ago

Solved


Index of neighbor pixel with steepest gradient
Unlike in various applications, where the gradient of a two dimensional matrix is calculated in x and y direction, the gradient ...

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


Remove the two elements next to NaN value
The aim is to *remove the two elements next to NaN values* inside a vector. For example: x = [6 10 5 8 9 NaN 23 9 7 3 21 ...

14 years ago

Solved


SET (the card game)
<http://www.setgame.com/set/index.html SET> is a card game in which players try to find valid 3-card sets from 12 cards on the t...

14 years ago

Solved


Compute the dilation of a binary image
A basic operation in image analysis is the dilation. Given an image where each pixel is either on or off (black/white, true/fals...

14 years ago

Solved


Find third Side of a right triangle given hypotenuse and a side. No * - or other functions allowed
Find the remaining side of a triangle given the hypotenuse and a side. However, the normal functions and symbols are not allowe...

14 years ago

Solved


Solve Quadratic : No * - or key functions permitted
Solve the quadratic equation *ax^2+bx+c=0*. However, some of the normal functions and symbols are not allowed. x=[ -b +/- sq...

14 years ago

Solved


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:/...

14 years ago

Solved


Scoring for oriented dominoes
Given a list of ordered pairs, and the order they should be placed in a line, find the sum of the absolute values of the differe...

14 years ago

Solved


give nth decimal place of pi
max 15th place after the decimal point is ok for now

14 years ago

Solved


Find common elements in matrix rows
Given a matrix, find all elements that exist in every row. For example, given A = 1 2 3 5 9 2 5 9 3 2 5 9 ...

14 years ago

Solved


Back to basics 10 - Max Float
Covering some basic topics I haven't seen elsewhere on Cody. Return the largest positive floating-point number MATLAB can han...

14 years ago

Solved


Find the largest value in the 3D matrix
Given a 3D matrix, A, find the largest value. E.g. >> A = 1:9; >> A=reshape(A,[3 1 3]); >> islargest(A) ans = 9

14 years ago

Solved


Fill a zeros matrix
The aim is to fill an array of all zeros given a numerical value and the index of row and columns for this value. 3 Inputs: ...

14 years ago

Solved


Give the Shortest Path Through The Maze
*Description* The purpose of this problem is to give the shortest path through a maze. The maze will be provided in a codifie...

14 years ago

Solved


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

14 years ago

Solved


Accumulate Cells
Given a combining function, a cell array, and an initial value, accumulate the result. For example, accumcell(@plus,{1,...

14 years ago

Solved


Find similar/related functions
The _help_ function can be useful for getting quick assistance on a particular function. For most built-in MATLAB functions, a p...

14 years ago

Solved


Set the array elements whose value is 13 to 0
Input A either an array or a vector (which can be empty) Output B will be the same size as A . All elements of A equal to 13...

14 years ago

Solved


Pentago: find winning move
<http://en.wikipedia.org/wiki/Pentago Pentago> is a challenging two-player strategy game. The objective is to be the first playe...

14 years ago

Solved


Criss_Cross_010 : Unique elements, Square array, Words in one array
Criss Cross matrix puzzle - Square matrix, Unique elements, Single Word List Arrange the "words" into a solid square such tha...

14 years ago

Solved


Back to basics 8 - Matrix Diagonals
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector of numbers, output a square array with the...

14 years ago

Solved


Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

14 years ago

Solved


So many choices
For inputs _n_ and _k_ (in that order), output the number of ways that k objects can be chosen from amongst n distinct objects. ...

14 years ago

Solved


Back to basics 22 - Rotate a matrix
Covering some basic topics I haven't seen elsewhere on Cody. Rotate the input matrix 90 degrees counterclockwise (e.g. [1 2; ...

14 years ago

Solved


Change a specific color in an image
The ability to change colors can be a useful tool in image processing. Given an m x n x 3 array (much like CData in images), fin...

14 years ago

Load more