Published
Solving Sudoku with MATLAB
Today's guest article is by Wesley Hamilton, a STEM Outreach engineer here at MathWorks. Wesley's roles involve...
2 years 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...
2 years 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...
2 years 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...
2 years 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...
3 years 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...
3 years 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...
3 years ago
Solved
Fibonacci Decomposition
Every positive integer has a unique decomposition into nonconsecutive Fibonacci numbers f1+f2+ ... Given a positive integer n, r...
3 years ago
Solved
Pi Estimate 1
Estimate Pi as described in the following link: <http://www.people.virginia.edu/~teh1m/cody/Pi_estimation1.pdf>
3 years 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...
3 years 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...
3 years ago
Published
Cookies & Code
Seasonal greetings of the Greater Solstice Metropolitan Area! As I write this, the solstitial sun sets on the shortest day...
3 years 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...
3 years ago
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...
3 years 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...
3 years 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...
3 years 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...
3 years ago
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...
3 years 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...
3 years 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...
3 years 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...
3 years ago
Solved
Generate Pascal's Triangle Matrix
Pascal's triangle is an arrangement of numbers where each value is the sum of the values adjacent to it in the previous row: ...
3 years ago
Solved
Jack O'Lantern
If visualized correctly, the data contained in the matrix A will look like a jack-o'-lantern. Create a function that will visu...
3 years ago
Solved
Plotting Practice
Plot cos(x) vs x as shown in the figure below. Include the appropriate title, x-label, and y-label. Note, it is case sensitive. ...
3 years ago
Solved
Calculating Student Grades
The matrix grades contains raw grades for 7 students who took your course. Each row represents a different student. The first 7 ...
3 years ago
Solved
Matrix Quadrants
Write a function that takes N as the input, and outputs a matrix whose upper-left (NxN) quadrant contains all ones, the lower-ri...
3 years ago
Solved
Find the minimum of the column-maximums of a matrix
Given a matrix A, find the maximum value of each column, then return the smallest of those maximum values (ie return the minimum...
3 years ago
Solved
Find Closest Constant
Given a number x, return the value that is closest to x from this list of constants: 0, 1, , e, , (also known as ). For exampl...
3 years ago