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Use R2016b Text Manipulations to Fix These Addresses (Part 1)
We have a series of addresses like the following which we'd like to reformat. Can you remove the latitude and longitude from the...

3 years ago

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Words Count: A Cell Array Approach
Given an input character vector consisting of words, punctuation marks, white spaces, and possibly newline characters (\n), arra...

3 years ago

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Words Count: A String Array Approach
Given an input character vector consisting of words, punctuation marks, white spaces, and possibly newline characters (\n), arra...

3 years ago

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String Array Basics, Part 3: Convert Cell Array with Missing Values to String Array
<http://www.mathworks.com/help/matlab/characters-and-strings.html String array> and cell array are two types of containers for s...

3 years ago

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String Array Basics, Part 4: Convert String Array with Missing Values to Cell Array
<http://www.mathworks.com/help/matlab/characters-and-strings.html String array> and cell array are two types of containers for s...

3 years ago

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Binary Inversion
Given the unsigned 8-bit integer x, return the number y which is the binary inversion of x. For example if x is 5, y should b...

3 years ago

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String Array Basics, Part 2: Convert String Array to Cell Array; No Missing Values
<http://www.mathworks.com/help/matlab/characters-and-strings.html String array> and cell array are two types of containers for s...

3 years ago

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Number of digits in an integer
Specifies how many digits in a given integer. Example: in=100 ==> out=3

3 years ago

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S-T-R-E-T-C-H I-T O-U-T
You will be given a row of numbers (x), and a single number (n). Your job is to write a script that will stretch out the row of...

3 years ago

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Use a timetable to analyze a train timetable (Part 5)
You are analyzing a train timetable (you have some time to kill since you just missed your train!) How many trains depart each d...

3 years ago

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Use a timetable to analyze a train timetable (Part 4)
You are analyzing a train timetable (you have some time to kill since you just missed your train!) What is the average daily tri...

3 years ago

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Use a timetable to analyze a train timetable (Part 3)
Oh no, you missed your train to Boston (again?)! How many times can you miss that train today? (In other words, how many Boston ...

3 years ago

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Use a timetable to analyze a train timetable (Part 2)
Oh no, you missed your train to Boston! Find the departure time of the next available train by analyzing the train timetable. Yo...

3 years ago

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Use a timetable to analyze a train timetable (Part 1)
Oh no, you missed your train to Boston! Find the departure time of the next available train by analyzing the train timetable. Th...

3 years ago

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Cat, Meowcat and Concatenation
Input is a cell array containing several strings. Find the largest continuous sub-string common to all strings. All strings are ...

3 years ago

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Replace values out of an interval with the lower or upper values
For a vector or matrix X and an interval [n1,n2], the function replace every element of x inferior to n1 by n1, and every elemen...

3 years ago

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Zero Cross
Write a function that counts the number of times n a signal x changes sign. Examples x = [1 2 -3 -4 5 6 -7 8 -9 10 11] ...

3 years ago

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The last non-zero digit of a factorial
For given positive integer n, what is the last non-zero digit of n!? Example: factorial(11) = 39916800 Last non-zero d...

3 years ago

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

3 years ago

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Give me Hamming on five, hold the mayo
A Hamming Number is a positive number that has no prime factor greater than 5. Given a number X, determine how many Hamming num...

3 years ago

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I'm going to enjoy watching you calculate, Mr Anderson
Smith numbers are numbers such that if you add up all of the digits in the number, that sum equals the sum of all of the digits ...

3 years ago

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How brilliant are you?
A Brilliant number is defined as a number with two prime factors, both of which have the same number of digits. Some examples: ...

3 years ago

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Split a given string from the first instance of a given character
A simple operation to split a given string into two substrings at the point where the desired character is first found. e.g. ...

3 years ago

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Approximate e
Given a and n, compute and approximation to f = a * e ^ n, without the use of exp, string operations, or floating point numbers....

3 years ago

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Nth roots of unity
First, find the n nth roots of unity. eg if n = 6, find the n distinct (complex) numbers such that n^6 = 1. <https://en.wiki...

3 years ago

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Find two triangular numbers whose sum is input.
Find two triangular numbers whose sum is _input_. Note: The difference beetween the triangular numbers should be minimum.

3 years ago

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Consecutive Powers
Return 2 numbers and 2 powers such that their difference is 1 A 4 element row vector is expected: x where x(1)^x(2) - x(...

3 years ago

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longest common semi-substring
Finding longest common substring is a common problem in string processing. This problem is a variant of that. Two strings are g...

3 years ago

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Construct the Seidel-Entringer-Arnold triangle
Several problems in Cody ask us to construct part or all of triangles in which entries follow a pattern. Cody Problems <https://...

3 years ago

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Compute a row of the Kimberling shuffle

3 years ago