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QWERTY Shift Encoder

Encode a string using the QWERTY shift code. This code is where you touch type but are offset by one character to the right. ...

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Convert a structure into a string

Convert the contents of each fields into a string. Example with an input structure s with 2 fields : s.age = '33' s....

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Ordinal numbers

Given an integer n, return the corresponding ordinal number as a character string. For example, ord(1)='1st' ord(2)=...

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Split a string into chunks of specified length

Given a string and a vector of integers, break the string into chunks whose lengths are given by the elements of the vector. Ex...

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Cell Counting: How Many Draws?

You are given a cell array containing information about a number of soccer games. Each cell contains one of the following: * ...

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Guess Cipher

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

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Vector creation

Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

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Doubling elements in a vector

Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

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Flip the vector from right to left

Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

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Whether the input is vector?

Given the input x, return 1 if x is vector or else 0.

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Get the length of a given vector

Given a vector x, the output y should equal the length of x.

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How to Load Multiple Text Files Without Sequential Names

I make a folder that contains only the text files you want to combine. Then you can do something like this to load the file path...

How to Load Multiple Text Files Without Sequential Names

I make a folder that contains only the text files you want to combine. Then you can do something like this to load the file path...

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demapp "IQ array of length 6" to "Bits array of length 12"?

How about this? x = [1+j; -1-j; -1+j; 1-j]; result = [real(x)<0, imag(x)<0]; It turns a column vector of imaginary numbers in...

demapp "IQ array of length 6" to "Bits array of length 12"?

How about this? x = [1+j; -1-j; -1+j; 1-j]; result = [real(x)<0, imag(x)<0]; It turns a column vector of imaginary numbers in...

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Tic Tac Toe FTW

Given a tic tac toe board: * 1 represents X * 0 represents empty. * -1 represents O It is X's move. If there is an imme...

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Given two strings, find the maximum overlap

Given two strings s1 and s2, create a new string s3 which is as short as possible and contains both strings. If s1 = [1 2...

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Connect Four Win Checker

<http://en.wikipedia.org/wiki/Connect_Four Connect Four> is a game where you try to get four pieces in a row. For this problem, ...

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Longest Divisor Run

Given the vector a, find the longest run of consecutive numbers that can be evenly divided by the same number d where d > 1. ...

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Mandelbrot Numbers

The <http://en.wikipedia.org/wiki/Mandelbrot_set Mandelbrot Set> is built around a simple iterative equation. z(1) = c z...

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Find the peak 3n+1 sequence value

A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

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Kaprekar Steps

6174 is the <http://en.wikipedia.org/wiki/6174_%28number%29 Kaprekar constant>. All natural numbers less than 10,000 (except som...

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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...

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Remove the polynomials that have positive real elements of their roots.

The characteristic equation for a dynamic system is a polynomial whose roots indicate its behavior. If any of the <http://www.ma...

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DNA N-Gram Distribution

Given a string s and a number n, find the most frequently occurring n-gram in the string, where the n-grams can begin at any poi...

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Implement a ROT13 cipher

Replace each character in string s1 with the character that is shifted 13 positions from it (wrap back to the beginning if neces...

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Test for balanced parentheses

Given the input inStr, give the boolean output out indicating whether all the parentheses are balanced. Examples: * If ...

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Remove the small words from a list of words.

Your job is to tidy up a list of words that appear in a string. The words are separated by one or more spaces. Remove all words ...

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Counting in Finnish

Sort a vector of single digit whole numbers alphabetically by their name, in Finnish. See the Wikipedia page for <http://en.wik...

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