Solved

Stuff the Board
You have a stack of tiles to put onto an array-like playing board. Each tile has a number (always an integer), and the board var...

8 years ago

Solved

Find perfect placement of non-rotating dominoes (easier)
Given a list of ordered pairs, find the order they should be placed in a line, such that the sum of the absolute values of the d...

8 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...

8 years ago

Problem

How to multiply?
* Imagine you are in 3012 Anno Domini, when everyone must learn how to multiply, * and competing for the highly prestigious pos...

8 years ago | 3 | 43 solvers

Problem

Have you seen any Spindromes recently?
* Never been to the <http://en.wikipedia.org/wiki/Makemake_(dwarf_planet) dwarf planet makemake> yet? * Assume a new unexplore...

8 years ago | 0 | 13 solvers

Solved

Find state names that start with the letter N
Given a list of US states, remove all the states that start with the letter N. If s1 = 'Alabama Montana Nebraska Vermont Ne...

8 years ago

Solved

Find the palindrome
Given the string a, find the longest palindromic sub-string b. So when a = 'xkayakyy'; you should return b = 'kayak';

8 years ago

Solved

root?
* Given a function 'foo', and a position 'there', find the root near 'there'. * For example: If foo=@sin, and there=3.1, then r...

8 years ago

Problem

root?
* Given a function 'foo', and a position 'there', find the root near 'there'. * For example: If foo=@sin, and there=3.1, then r...

8 years ago | 0 | 99 solvers

Solved

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

8 years ago

Solved

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

8 years ago

Solved

Project Euler: Problem 4, Palindromic numbers
A palindromic number reads the same both ways. The largest palindrome made from the product of two 2-digit numbers is 9009 = 91 ...

8 years ago

Solved

Are you in or are you out?
Given vertices specified by the vectors xv and yv, and a single point specified by the numbers X and Y, return "true" if the poi...

8 years ago

Problem

How many palindromes?
* Given a set of letters, count all possible palindromes, using all of those letters. * For example, if the set is {'A' 'A' 'A'...

8 years ago | 1 | 27 solvers

Solved

the return of the hackathon
You might have found a solution to our <http://www.mathworks.com/matlabcentral/cody/problems/205-hackathon-the-beginnings previo...

8 years ago

Solved

Create a square matrix of multiples
Given an input, N, output a matrix N x N with each row containing multiples of the first element of each row. This also applies...

8 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

8 years ago

Solved

Solve the set of simultaneous linear equations
Given this pair of simultaneous linear equations: 2x + 3y = 23 3x + 4y = 32 Find the solution set (x,y)

8 years ago

Solved

What is the distance from point P(x,y) to the line Ax + By + C = 0?
Given a point, P(x,y), find the distance from this point to a linear line. INPUTS: x, y, A, B, C OUTPUTS: d, the distance ...

8 years ago

Solved

Pythagorean perfect squares: find the square of the hypotenuse and the length of the other side
Given the square root of a square number, *seed*, and a range, *n*, find the square number, *Z* as well as the other side, *y*, ...

8 years ago

Solved

Similar Triangles - find the height of the tree
Given the height, h1, of a power pole, shorter than a tree, a given distance, x2 away, please find h2, height of the tree. Pleas...

8 years ago

Solved

Cody Computer Part 3 - Detect the graphic card used on Cody Computer
In the Cody computer investigation party, you may have already solved : <http://www.mathworks.com/matlabcentral/cody/problems...

8 years ago

Solved

Cody Computer Part 2 - Get the license number of Cody Computer
In the Cody computer investigation party, you may have already solved : <http://www.mathworks.com/matlabcentral/cody/problems...

8 years ago

Solved

Return unique values without sorting
If the input vector A is [42 1 1], the output value B must be the unique values [42 1] The *values of B are in the s...

8 years ago

Solved

Cody Computer Part 1 - Guess the system font used by uipanel
list = listfonts return the list of available system fonts. Can you guess which font is used for uipanel on the CODY computer...

8 years ago

Solved

Convert a numerical matrix into a cell array of strings
Given a numerical matrix, output a *cell array of string*. For example: if input = 1:3 output is {'1','2','3'} whic...

8 years ago

Solved

First non-zero element in each column
For a given matrix, calculate the index of the first non-zero element in each column. Assuming a column with all elements zero ...

8 years ago

Solved

Signal filtering
You are given a vector, containing a superposition of target signal and white gaussian noise. Return a vector, containing the es...

8 years ago

Solved

does it touch ?
given a sentence, tell how much it touches. input : string output : how much it touches touching : a bilabial phoneme d...

8 years ago

Solved

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...

8 years ago