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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...

ongeveer 2 jaar ago

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Proper Factors

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

ongeveer 2 jaar ago

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QWERTY coordinates

Given a lowercase letter or a digit as input, return the row where that letter appears on a <http://en.wikipedia.org/wiki/Keyboa...

ongeveer 2 jaar ago

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QWERTY Shift Code Decoder

Decode a string encoded using the QWERTY shift code. QWERTY shift code is where the message was touch typed but with an offse...

ongeveer 2 jaar ago

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Word Distance - Sum

Let's suppose that the distance of a word can be calculated by summing the differences between its letters, having assigned the ...

ongeveer 2 jaar ago

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Count letters occurence in text, specific to words with a given length.

Build a function with two input arguments: a string and a word length (number of letters), that outputs a vector of counts of th...

ongeveer 2 jaar ago

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Data decompression

A chunk of data is to be 'decompressed'. Input: * compressed: a row vector of uint8 values. This is the compressed data. ...

ongeveer 2 jaar ago

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Alphabetize by last name

Given a list of names in a cell array, sort the list by the last name. So if list = {'Barney Google','Snuffy Smith','Dagwood ...

ongeveer 2 jaar ago

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Elements with highest local average

Input v is a row vector such that length(v)>3. Consider a sliding window of length 3 that is used to calculate the local average...

meer dan 2 jaar ago

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Combine Data With Gaps

Combine data sets a and b where the datasets have "gaps" or unique points. Example: Input a = [1,0; 2,1; ...

meer dan 2 jaar ago

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Split array into pieces according to corresponding array

An array x of length n has values 1...m with each value appearing at least once. The values are sorted (n>=m). A second...

meer dan 2 jaar ago

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Sum my indices

Given inputs M and N (in that order), output an MxN matrix whose entries are equal to the sum of their indices. Example input...

meer dan 2 jaar ago

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Find indices of diagonal elements

Given a matrix A and a diagonal index d (where 0 indicates the main diagonal and off-diagonals are identified by positive and n...

meer dan 2 jaar ago

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Hard limit function

Classify x data as if x>=0 then y=1 if x<0 then y=0 Example x = [ -2 -1 0 1 2] y = [ 0 0 1 1 1]

meer dan 2 jaar ago

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How close to a hole

Suppose you have a description of good places (ones) and bad places (zeros). You want to know your distance from a bad place (in...

meer dan 2 jaar ago

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Find the distance between runs

Another question inspired by the <http://uk.mathworks.com/matlabcentral/answers/?s_tid=gn_mlc_an answers forum>: A vector of ...

meer dan 2 jaar ago

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Project Euler: Problem 5, Smallest multiple

2520 is the smallest number that can be divided by each of the numbers from 1 to 10 without any remainder. What is the smalle...

meer dan 2 jaar ago

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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)=...

meer dan 2 jaar ago

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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...

meer dan 2 jaar ago

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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: * ...

meer dan 2 jaar ago

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Guess Cipher

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

meer dan 2 jaar ago

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Successive zeros

Suppose n is the number of digits a number contains. Now, 12032 - is a valid n=5 digit number. But 10023 - is defined as i...

bijna 3 jaar ago

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Create a vector of n alternating ones and zeros

Given n, your output should be a vector y of numbers such that the first number is 1 and the numbers following it alternate betw...

bijna 3 jaar ago

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Find Elements in Range

Based on a question on <http://www.mathworks.com/matlabcentral/answers/ MATLAB Answers>. Find all the elements of a vector wh...

bijna 3 jaar ago

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Pancake sorting

Sort a stack of pancakes by flipping them using spatula. * There are _N_ pancakes with diameters _1:N_. * Spatula can be ins...

bijna 3 jaar ago

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Summing Rows and Columns

Create a matrix y of size (n+1) whose last column's elements are the summation of the elements of all the other columns and last...

ongeveer 3 jaar ago

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Calculate days until Christmas

Provided with inputs year, month, day e.g. 2019,11,12, calculate the number of days until the next Christmas day, i.e. the next ...

ongeveer 3 jaar ago

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Find nth maximum

Find nth maximum in a vector of integer numbers. Return NaN if no such number exists. x = [2 6 4 9 -10 3 1 5 -10]; So ...

meer dan 3 jaar ago

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Create a "+" flag

Given two odd numbers, [m, n], return a matrix of size m x n which has all elements of the centre column and centre row set as 1...

meer dan 3 jaar ago