Ned Gulley

Last seen: 3 days ago | Active since 2011

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Head-to-Head Voting: Which Solution Is the Best Solution?
I like to play Cody because I always learn something. After I've solved a problem, I spend a little time with the Solution...

3 days ago

Solved

Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

14 days ago

Published

Continued Fractions and Computations
Today's guest article is by Wesley Hamilton, a STEM Outreach engineer here at MathWorks. See his earlier piece on solving...

2 months ago

Solved

Sum of series V
What is the sum of the following sequence: Σk(k+1) for k=1...n for different n?

2 months ago

Published

What Is a Toolbox? New Guidelines for Authors
The File Exchange provides access to more than 46,000 free MATLAB projects. For 33,854 of these projects, the authors...

3 months ago

Published

Nine Insights from My Conversation with Heather Gorr, Senior MATLAB Product Manager
Today's guest article is by Hans Scharler. Live Interview on Discord Recently, I had the privilege of engaging in a...

4 months ago

Published

Solving Sudoku with MATLAB
Today's guest article is by Wesley Hamilton, a STEM Outreach engineer here at MathWorks. Wesley's roles involve...

5 months ago

Published

An Algorithmic Spelling Bee
Earlier this year I wrote about solving word ladders with MATLAB. There was a lot of interest in that post, so I thought...

6 months ago

Published

Celebrate pi day with a pi patch
Today's guest article is by Adam Danz whose name you might recognize from the MATLAB Central community. Adam is a...

6 months ago

Published

Taking the Hassle Out of Testing
This cartoon sums up my feelings about testing. Testing is great. When you have working tests, you feel clean and warm. The...

7 months ago

Published

Acquiring and Analyzing Sensor Data with MATLAB Mobile and MATLAB Online
MATLAB Mobile allows you to collect information from your device sensors and perform cool experiments with the acquired...

8 months ago

Solved

Remove the air bubbles
Given a matrix a, return a matrix b in which all the zeros have "bubbled" to the top. That is, any zeros in a given column shoul...

8 months ago

Solved

Reverse Run-Length Encoder
Given a "counting sequence" vector x, construct the original sequence y. A counting sequence is formed by "counting" the entrie...

8 months ago

Solved

Fibonacci Decomposition
Every positive integer has a unique decomposition into nonconsecutive Fibonacci numbers f1+f2+ ... Given a positive integer n, r...

8 months ago

Solved

Pi Estimate 1
Estimate Pi as described in the following link: <http://www.people.virginia.edu/~teh1m/cody/Pi_estimation1.pdf>

8 months ago

Solved

Next Tribonacci Number
The "Tribonacci" sequence is an extension of the idea of the Fibonacci sequence: That is, each new term is the sum of the thr...

8 months ago

Published

Laddergrams
MATLAB is good at math, of course, but it can also let you have some fun with words. Go to the Gaming > Word Games...

8 months ago

Published

Cookies & Code
Seasonal greetings of the Greater Solstice Metropolitan Area! As I write this, the solstitial sun sets on the shortest day...

9 months ago

Published

Crepuscular Tidings
As the days get shorter and drearier here in New England, I get hungry for sunlight. This makes me somewhat obsessed with...

10 months ago

Submitted

Private Cody Leaderboard
This code creates a private leaderboard for Cody players.

10 months ago | 2 downloads |

Published

Cody Meets Cricket: Who’s Your Bunny?
Any cricketers out there? If you like cricket and coding in MATLAB (and who doesn't?), then allow me to direct your...

11 months ago

Published

2022 Mini Hack Content Analysis
Today, once again, I am delighted to introduce guest blogger Dave Bulkin. You may remember that Dave blogged in this space...

11 months ago

Solved

Cricket - Most Frequent Bowler-Batter Wicket Combinations
Given a table representing all wickets taken in a particular set of matches, return a table of the bowler-batter pairs that occu...

11 months ago

Solved

Split Even Number Into Two Primes
Given an even whole number n (> 2), return a 2-element vector of primes, p, such that p(1) + p(2) = n. Fun note: technically it...

11 months ago

Submitted

Animator
A tool for making GIF animation files

11 months ago | 6 downloads |

Submitted

Zoom Keys
Pan and zoom with simple keystrokes.

11 months ago | 3 downloads |

Solved

Extract the Acrostic Message
An acrostic cipher is a way of embedding one message within another by taking the first (or last) word of each line. Given a str...

11 months ago

Solved

Boustrophedon
Given a vector v and a positive integer n, return an m-by-n matrix containing the elements of v row-wise, alternating left-to-ri...

11 months ago

Solved

Generate Tribonacci Sequence
The "Tribonacci" sequence is an extension of the idea of the Fibonacci sequence: That is, each new term is the sum of the thr...

11 months ago

Solved

Where the Four Corners Am I?
The "Four Corners" region of the US is where Colorado, Utah, Arizona, and New Mexico all meet - the only place where four states...

11 months ago

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