Solved

Make a Star Pyramid
Create a star pyramid. First line will have 1 star, second will have two stars and so on... a basic program which is easily done...

11 years ago

Solved

Guess Cipher
Guess the formula to transform strings as follows: 'Hello World!' --> 'Ifmmp Xpsme!' 'Can I help you?' --> 'Dbo J ifmq zpv...

11 years ago

Solved

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...

11 years ago

Solved

Find Rotated Substring
Given a string s1, find if a rotated version of s1 is present in a second string s2. For example, rotated version of some str...

11 years ago

Solved

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...

11 years ago

Solved

COUNT VOWEL
Count, how many times vowels occurred. EXAMPLE: x='string the MaTLaBiAn' then the answer will be 6. x='coUnt the vowEl' th...

11 years ago

Solved

Text processing - Help Johnny write a letter home from camp
Johnny overuses the word 'great'. Write a script that will help him with this and future letters. If a sentence contains more ...

11 years ago

Solved

Convert hex color specification to MATLAB RGB
Here's something that comes up all the time if you deal with web pages. Given a <http://www.w3schools.com/html/html_colors.as...

11 years ago

Solved

Simple date to serial no. conversion
Convert a date string to a serial date number. For example if you take x='19-May-2001' then the result is 730990 x...

11 years ago

Solved

Subtract two positive numbers
Given a and b as a string, return b-a without using string to number conversion functions. a and b must to be a same size and b ...

11 years ago

Solved

Vector of numbers divisible by 3
* Input(n) - any integer * Output(v) - vector with numbers divisible by 3(exept 0) starting from n to 0 Examples: * n=6...

11 years ago

Solved

find the roots of a quadratic equation
for e.g x = [ 2 -1 -3] y = [1.5 -1]

11 years ago

Solved

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

11 years ago

Solved

Flip the bit
Given an input character string (e.g. '1001'), return a character string with the bits flipped ('0110').

11 years ago

Solved

String substitution, sub problem to cryptoMath
This is a sub problem related to this problem: <http://www.mathworks.com/matlabcentral/cody/problems/621-cryptomath-addition>...

11 years ago

Solved

English to Pig Latin Translator
Pig latin is a faux-language based off of English. The rules are as follows (excerpted from the wikipedia entry for Pig Latin): ...

11 years ago

Solved

Pig Latin to English Translator
Pig latin is a faux-language based off of English. The rules are as follows (excerpted from the <http://en.wikipedia.org/wiki/Pi...

11 years ago

Problem

Find the maximal cliques in an undirected graph
This is a variant of a <http://www.mathworks.com/matlabcentral/cody/problems/2646-determine-the-number-of-maximal-cliques-in-an-...

11 years ago | 0 | 5 solvers

Problem

Determine the number of maximal cliques in an undirected graph
In an undirected graph, a clique is a subset of vertices that are fully connected, i.e. there is an edge between all pairs of ve...

11 years ago | 3 | 6 solvers

Solved

Cody Computer Part 4 : Are you a morning Cody player Addicted ?
This is a stupid Cody challenge. You just have to *click "Submit" between 7 and 9 AM.* ... Greenwich Mean Time (GMT). To see ...

11 years ago

Solved

Shorten pathname
Given a pathname string, return a condensed version by replacing intermediate folders with '..'. *Example* If fullpat...

11 years ago

Solved

Area of a circle
Find the value for area of the circle if diameter is given

11 years ago

Solved

Put Two 1D matrices into one 1D matrix
Example: If input a = [1 2 3 4 5]; input b = [10 9 8 7 6]; then output will be, y_correct = [1 10 2 9 3 8 4 7 5...

11 years ago

Solved

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

11 years ago

Solved

subtract central cross
Given an n-by-n square matrix, where n is an odd number, return the matrix without the central row and the central column.

11 years ago

Solved

Pascal's Matrix
Given an integer n ≥ 0, generate the ( _n_+1) × ( _n_+1) lower triangular <http://en.wikipedia.org/wiki/Pascal_matrix P...

11 years ago

Solved

Find and replaces spaces from a input string with *
For a given input string str, find how many spaces are there in the string and replace those spaces with * e.g. str = 'this is ...

11 years ago

Solved

Half-Swap
Given a vector with an even number of elements, rearrange it so that the elements in its first half are switched with those i...

11 years ago

Solved

Create a matrix X, where each column is a shifted copy of the vector v
Example : in->v = (1:5)'; 1 2 3 4 5 out-> [1 5 4 3 2;2 1 5 4 3;3 2 1 5 4;4 3 2 1 5;5 4 3 ...

11 years ago

Solved

Angle between Two Vectors
The dot product relationship, a dot b = | a | | b | cos(theta), can be used to determine the acute angle between vector a and ve...

11 years ago