Published

Visualizing Square Roots with Elias Wegert
Quick, what’s the square root of -1? Okay, I know. That’s an easy one. But how about the square root of i? If it’s been a...

8 months ago

Published

Leap Days on Mars
February 29th is right around the corner. It’s been hibernating for the past three years, snuggling in its secret den...

8 months ago

Published

This is what happens when two logarithmic spirals love each other very much. % Vary k from 1.5 to 3.5 k = 1.5; t =...

9 months ago

Published

Community Q&A – Kelly Kearney
Kelly Kearney is a top contributor to MATLAB Answers and File Exchange.  Here is a Q&amp;A I did with Kelly who is a...

9 months ago

Published

Rayner, BAE Systems, and Cody
This week we’re very fortunate to speak with Rayner Saggers. Rayner is a Senior Systems Engineer on the F-35 Program at BAE...

10 months ago

Solved

Summing Rows and Columns
Create a matrix y of size (n+1) whose last column's elements are the summation of the elements of all the other columns and last...

11 months ago

Published

Crepuscular Calculations
Happy Crepusculus! Never heard of Crepusculus? I’ll come back to that later. Instead, let me begin with a fun fact: the...

11 months ago

Published

A GitHub Badge for the File Exchange
Only last month I was talking about badges on the File Exchange. Today I’m going to tell you about another kind of badge:...

11 months ago

Solved

Calculate days until Christmas
Provided with inputs year, month, day e.g. 2019,11,12, calculate the number of days until the next Christmas day, i.e. the next ...

11 months ago

Published

A Frightful Error
It’s late October. The nights are getting longer (for us North Americans, anyway), and vampire processes are sucking the...

12 months ago

Published

Acquire Images from Your Device Camera with MATLAB Mobile
Bringing Your Images and MATLAB Mobile Closer Together In our last blog post, we started laying out our first phase of...

1 year ago

Solved

Find nth maximum
Find nth maximum in a vector of integer numbers. Return NaN if no such number exists. x = [2 6 4 9 -10 3 1 5 -10]; So ...

1 year ago

Published

New! Badges on the File Exchange
Chad Greene has contributed 171 files (and counting) to the File Exchange. The man is a File Exchange legend. But you know...

1 year ago

Solved

Create a "+" flag
Given two odd numbers, [m, n], return a matrix of size m x n which has all elements of the centre column and centre row set as 1...

1 year ago

Published

Mathematical Visualization with Plywood and Power Tools
This is Hollis Potter (he’s the one on the right). He works on the Community team here at MathWorks. On the table next to...

1 year ago

Published

Who Named Moler’s Matrix?
One of the nice things about showing up early is getting things named after you. See that bouncy gazelle over there? Let’s...

1 year ago

Published

There you are, sprawled on a poolside lounge chair in the afternoon heat as reggae music drifts by. Gentle splashing sounds...

1 year ago

Published

New on MATLAB Central: Power Electronics and a Japanese Blog
Here are some Estonian phrases that might prove useful some day. Kas ma saan kohvi palun? Can I have some coffee,...

1 year ago

Published

Community Q&A – Owen Paul
Owen Paul is a MathWorks Student Ambassador who attends Florida State University.  Here is a Q&amp;A with Owen.           ...

1 year ago

Published

Anna works in the Interdimensional Transport Group at Yoyodyne Propulsion Systems. Her team of ten engineers is using a lot...

1 year ago

Published

Most Popular Files in 2018
Here are the most popular File Exchange submissions from the Community, MathWorks Staff, and MathWorks Teams in 2018 by...

1 year ago

Published

Smartphone cameras continue to disrupt digital photography. If you are a casual photographer, over the years you have...

1 year ago

Published

If you have been to MATLAB Answers recently you have noticed the name Madhan Ravi climbing up the Leaderboard. Here is a...

1 year ago

Published

Why You Should Date Someone Who Knows MATLAB
Happy Valentines Day! I have been working with the MATLAB community since we launched MATLAB Central wa-aaay back at the...

1 year ago

Solved

Is X a Fibonacci Matrix?
In honor of Cleve's new blog and post: <http://blogs.mathworks.com/cleve/2012/06/03/fibonacci-matrices/> Is X a Fibonacci ...

1 year ago

Solved

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

1 year ago

Published

New Cody Features: Customized Groups and Solve Later
Today I want to tell you about two new features in Cody. One of them, Customized Groups, I’ve been anticipating with...

1 year ago

Solved

(Linear) Recurrence Equations - Generalised Fibonacci-like sequences
This problem is inspired by problems <http://uk.mathworks.com/matlabcentral/cody/problems/2187-generalized-fibonacci 2187>, <htt...

1 year ago

Solved

How many Fibonacci numbers?
Find the number of unique Fibonacci numbers (don't count repeats) in a vector of positive integers. Example: x = [1 2 3 4...

1 year ago

Solved

Project Euler: Problem 2, Sum of even Fibonacci
Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 te...

1 year ago