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

Published

Tips ‘n’ Tricks with Chris Armstrong of BAE Systems

As part of my business travel over the years, I've been fortunate to visit the UK several times and meet folks from BAE...

2 years ago