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Stuart’s MATLAB Videos

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Posts 131 - 140 of 568

Using R2016b Arithmetic Expansion Rules to Make a Matrix Without a For Loop

Here I show how the new arithmetic expansion rules in release 16b can be used to answer a blog post comment question. See the great post by Loren on the subject.
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Incorporating Hourly Data Analysis into Another Function

Here I take the analysis I did in this post to group website crawl data by the hour, and incorporate it into another function that runs daily. I forgot to turn on my webcam for this one, so its just… 更多内容 >>

Modifying My Script to Add a Levenshtein Distance Column to My Table

Here I add another data column to my table, which is the Levenshtein distance between the redirecting source and destination URLs. This turns out to take much longer than I expected to compute, so I… 更多内容 >>

Modifying a Script to Add an Additional Column to a Table

Here I’m doing some pretty mundane everyday modifications to an existing script (code-along style). I need to add an additional data column to a table I’m creating. I don’t explain… 更多内容 >>

Using Retime with a Timetable to Aggregate Data By Hour 2

Last week I used varfun on a datetime variable in a table to count rows by hour. One of my colleagues said I should take a look at retime which operates on timetables. Here I give it a try.
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Using varfun with datetime Values to Group Data By Hour

When I analyze our website, the testing system I use downloads all pages. It can take several hours as there are almost a million of them in the subset I look at. Sometimes it takes longer than usual… 更多内容 >>

Writing a Script to Count Data in Multiple Text Files 2

Here I need to combine the data from multiple text files by grouping and summing by one variable. I also try using a datastore which I have not used much before.
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Adding a New UI Element to a MATLAB App with App Designer 4

If you have used GUIDE a lot in the past and are thinking of trying out App Designer, this will give you an idea of how its like to work with that tool. Here I add a new UI element to an existing… 更多内容 >>

Cody Code-Along: R2016b Feature Challenge – Use a timetable to analyze a train timetable, Part 4

In part 4 of the train timetable set of Cody problems, you need to calculate the average trip duration for each day in the timetable. This one is about as exciting as watching paint dry as it takes… 更多内容 >>

Trying Steve’s First Deep Learning Example

My colleague Steve Eddins, who you may know from his Image Processing blog, has a new one on Deep Learning. To learn more about this subject, I thought I would try the first example he just posted,… 更多内容 >>

Posts 131 - 140 of 568

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