Published

Cookies & Code

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

2 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...

2 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...

2 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...

2 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...

2 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...

2 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...

2 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...

2 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...

2 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...

2 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: ...

2 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...

2 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. ...

2 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 ...

2 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...

2 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...

2 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...

2 years ago

Published

Contests, Contests!

Here in New England, autumn is in full swing. The maple leaves are shifting into their best yellows and reds. On MATLAB...

2 years ago

Solved

Create an arrow matrix

An arrow matrix is a square matrix that contains ones on the diagonal, the last column, and last row. ...

2 years ago

Published

New Features: How Do You Find the Good Stuff?

If I give you something but you never get the news, did I really give it to you? This happens all the time with MATLAB...

2 years 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...

2 years ago

Published

Home Made Magnetic Resonance Imaging

Listen in as Yuki Kamatani interviews a man who built his own MRI! Hi, I'm Yuki Kamatani, an application engineer in our...

2 years ago

Solved

Given a matrix, swap the 2nd & 3rd columns

If a = [1 2 3 4; 1 2 3 4; 1 2 3 4; 1 2 3 4]; then the result is ans = 1 3 2 4 1 3 2...

2 years ago

Published

Publishing to WordPress

This blog post began its life as a Live Script in MATLAB. I could have started typing into WordPress, but then I wouldn't...

2 years ago

Solved

Find the complement of a number in binary

Input x is a decimal number and output y is the complement of binary representation of x. For example, x = 10 has the binary ...

2 years ago

Published

Happy Valentines Day!

I found this lovely algorithmic heart in the comments of an old Walking Randomly post. Research software superstar Mike...

2 years ago

Published

Community Q&A – Yair Altman

Yair Altman is a top participant on MATLAB Central, especially within File Exchange. He is best known for being the...

2 years ago

Published

Dr. Maeda Wins With MATLAB!

Some people say it's hard to make predictions. Not true. But making accurate predictions... okay, that's hard. Even so,...

2 years ago