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Stuart’s MATLAB Videos

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Posts 251 - 260 of 573

Interactively editing a colormap in MATLAB 1

I recently wanted a colormap that was distinctive. I wanted the zero values to be one color while the negative and positive values were different shades. This video shows how to do this… 更多内容 >>

Custom interactive graphics in MATLAB 3

Knowing how to use callbacks in MATLAB allows you to customize your graphics and make them more interactive. This short video shows you how to highlight a line in MATLAB by clicking on it. if… 更多内容 >>

When only small speed improvements are possible in MATLAB 2

The profiler is very important when you want to speed up your code. It is nearly impossible to know where the bottleneck will be in your code until it is written and tested. Often times there are… 更多内容 >>

Using Cody for algorithm development 1

Do you need to develop an algorithm in MATLAB? Do you have tests in MATLAB that would tell you if the algorithm were working correctly? If you do, you might not need to actually write the MATLAB… 更多内容 >>

Monte carlo testing of the Luhn checksum in MATLAB

This video builds on the last one. A quick monte carlo test is built to see if the Luhn Algorithm really will detect transpositions. The testing indicates that only one pair of numbers transposing… 更多内容 >>

Luhn checksum implemented in MATLAB

The Luhn algorithm is a fast checksum that allows you to know if an entered series of numbers has any of the repeated digits or transpositions that are common when typing numbers in. By having a… 更多内容 >>

Populating a uicontrol and reading a directory in MATLAB 1

Recently, a MATLAB user asked me how to build a UI which lets the user display any image in a directory by selecting the name of the image from a pop-up menu. This uses a few concepts like the DIR… 更多内容 >>

Using the right visualization for understanding data in MATLAB

It is often easier to acquire or generate data than it is to understand the data. In this video, we explore different options for visualizing data to gain better insight to solve a problem…. 更多内容 >>

Plotting a matrix in MATLAB 1

Many times we use difficult syntax in MATLAB because we do not know there is a better way and do not know to look for a better way. A recently saw some MATLAB code that could have been a lot… 更多内容 >>

Customizing the color of an edit box in MATLAB

A MATLAB user recently asked me how the UI shown here was made. Those grey boxes are made from edit boxes that have been customized. This video shows how it is done. if (typeof(playerLoaded) ===… 更多内容 >>

Posts 251 - 260 of 573

这些文章由作者发布,不一定代表 MathWorks 的意见。