8:41

This video is about how to debug in MATLAB. This video shows an error that occurs only now and then when using random inputs. A technique for capturing the random inputs, using dBSTOP IF ERROR, the… read more >>

11:26

This video assumes you have watched this video that outlines a simple encryption algorithm. The video shows a quick code review of my algorithm. Warning: this video is part of a longer series, I… read more >>

5:57

I have liked cryptography since I was sending Caesar cipher messages to my fellow 6th graders. The essence of that was to ‘add’ a value to each letter of your message. With Caesar, it… read more >>

4:15

This video shows how to put an individual text label on each of a series of points. This video also shows a simple technique for understanding lines of code where there are many functions… read more >>

3:46

I teach the introduction to MATLAB classes for all new hires in the Technical Support group at MathWorks. One of the attendees wanted to know how to do a moving average in MATLAB. This can be… read more >>

0:00

It is very common to read through all the values in an Excel spreadsheet to process them in MATLAB. Here is a simple example of importing Excel in MATLAB and looping through the values. if… read more >>

4:34

The new release of MATLAB is here! I was looking through it, and one thing that caught my eye the most was some face detection algorithms have been added. This is great because I get questions… read more >>

7:26

I’ve been excited by the great response to the Project Euler problems that I’ve posted on Cody. This video takes a look at my favorite submission for each of the first five problems. Take a look… read more >>

2:19

A MATLAB user wanted to get rid of the quote marks from a string in a cell array. This was not needed because they only appeared there due to the display method for a cell. if (typeof(playerLoaded)… read more >>

4:38

This week’s video covers a non-standard way of reshaping a matrix. Instead of using the reshape function, this kind of matrix manipulation must be done with for loops. This matrix reshape… read more >>