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Ned Gulley


MathWorks

338 total contributions since 2005

I work on the MATLAB Central and MATLAB Interface teams. See also http://www.starchamber.com/

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Submitted


Zoom Keys
Pan and zoom quickly around your 2-D data using mouse and keyboard shortcuts.

10 days ago | 6 downloads |

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Submitted


URL Filter
Scrape one or more numbers off of a web page

3 months ago | 10 downloads |

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Published


The Cody Fifth Anniversary Challenge
Does Cody have birthdays or anniversaries? It seems to me like it should have birthdays, but anyway, it’s been around...

5 months ago

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Published


Community Q&A – Daniel Turizo
Daniel Turizo was one of the first people to complete the Easy and Hard problem sets in the Cody 5 Year Challenge. Daniel...

6 months ago

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Published


A New Contest: Gerrymandering Commas
Last February, researchers at the University of St Andrews ran a MATLAB programming contest to study how people compete and...

7 months ago

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Published


Generating Insight With Cody Function Clouds
One of the things I like about Cody is that it not only encourages you to solve a particular problem, but it encourages you...

8 months ago

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Solved


5 Prime Numbers
Your function will be given lower and upper integer bounds. Your task is to return a vector containing the first five prime numb...

8 months ago

Solved


Missing five
Convert decimal numbers to a base-9 notation missing the digit *5* <<http://www.alfnie.com/software/missing5.jpg>> Too man...

8 months ago

Solved


Extra safe primes
Did you know that the number 5 is the first safe prime? A safe prime is a prime number that can be expressed as 2p+1, where p is...

8 months ago

Solved


Pernicious Anniversary Problem
Since Cody is 5 years old, it's pernicious. A <http://rosettacode.org/wiki/Pernicious_numbers Pernicious number> is an integer w...

8 months ago

Solved


Is this is a Tic Tac Toe X Win?
For the game of <https://en.wikipedia.org/wiki/Tic-tac-toe Tic Tac Toe> we will be storing the state of the game in a matrix M. ...

8 months ago

Solved


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

8 months ago

Published


Limited Edition Laurels: Cody is Five!
Do you have what it takes to win this badge?…

8 months ago

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Solved


How to subtract?
* Imagine you need to subtract a few numbers using MATLAB. * You will not be using eval for this task. * Given two ASCII strin...

8 months ago

Solved


Pentagonal Numbers
Your function will receive a lower and upper bound. It should return all pentagonal numbers within that inclusive range in ascen...

8 months ago

Solved


Find the nearest prime number
Happy 5th birthday, Cody! Since 5 is a prime number, let's have some fun looking for other prime numbers. Given a positive in...

8 months ago

Solved


Getting logical indexes
This is a basic MATLAB operation. It is for instructional purposes. --- Logical indexing works like this. thresh = 4...

9 months ago

Solved


Specific Element Count
Given a vector _v_ and a element _e_, return the number of occurrences of _e_ in _v_. Note: NaNs are equal and there may be n...

9 months ago

Solved


Calculate the Levenshtein distance between two strings
This problem description is lifted from <http://en.wikipedia.org/wiki/Levenshtein_distance>. The Levenshtein distance betwee...

9 months ago

Published


Community Q&A: Manu BN
Manu BN is the author of 14 files on File Exchange including some popular submissions.  Please enjoy this virtual interview...

9 months ago

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Published


Deep Learning and Cody
I want to mention two exciting developments, one last week and one this week….

9 months ago

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Solved


Alternating sum
Given vector x, calculate the alternating sum y = x(1) - x(2) + x(3) - x(4) + ...

9 months ago

Solved


Replicate elements in vectors
Replicate each element of a row vector (with NaN) a constant number of times. Examples n=2, A=[1 2 3] -> [1 1 2 2 3 3] ...

9 months ago

Solved


Find a Pythagorean triple
Given four different positive numbers, a, b, c and d, provided in increasing order: a < b < c < d, find if any three of them com...

9 months ago

Published


A Galloping Logo Zoetrope
What is a zoetrope? A zoetrope is a simple kind of animation, first popularized in the 1800s. Take twelve images of a...

9 months ago

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Published


Text Alignment, Dinosaurs, and Orators
When we’re creating new pages for our community apps, our designers sometimes add some sample text as part of the...

10 months ago

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Solved


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...

10 months ago

Published


New in Answers: Top Contributors & Staff
You’re the new kid in school. It’s lunch time….

11 months ago

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Solved


"mirror" matrix
Create n x 2n "mirror" matrix of this type: Examples For n = 2 m = [ 1 2 2 1 1 2 2 1 ] For n = 3 m = ...

11 months ago

Published


Answers Badges Are Here!
Maybe, like me, you got an email this week telling you that you won a badge for your contributions to MATLAB Answers. And...

11 months ago

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