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Simple example of storing data as a matrix or structure
6:10 When we design a program, the way we store our data will have an effect on how our code...
environ 12 ans il y a
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Vectorizing code in MATLAB
5:17 When you vectorize code, you avoid looping through an array and instead do operations on the...
plus de 12 ans il y a
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Adding callbacks to lines and axes in MATLAB
4:19 A callback is a function that gets called when you perform certain actions. For instance,...
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Interuptable callbacks and BusyAction in MATLAB
5:14 If you push a button in a MATLAB UI and this starts a long calculation, what do you want to...
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Using synthetic data to test algorithms in MATLAB
5:34 This week we are making up some data and doing a couple of visualizations. We then modify...
plus de 12 ans il y a
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Modifying Excel column names to legal variables in MATLAB
3:38 I have been using MATLAB tables lately. In doing that, MATLAB will store meta data with...
plus de 12 ans il y a
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Simplify, simplify, simplify
I often say that one my greatest qualifications for troubleshooting MATLAB code is that I know I am not that clever, so I...
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Using Datetick with Plotyy in MATLAB
1:44 Recently, I needed to plot two different sets of time series data on the same axes, but they...
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Debugging: creating a line with empty data
3:18 In this video we are sorting through some data making a different line for all the data...
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Exploring data through a series of vizualizations
6:09 When we get unknown data, we do not always know where it will lead us. This video shows the...
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Searching for permutations of a string in a list in MATLAB
3:32 In this video a colleague was looking in a large list to see if each element was a...
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Non-uniform spacing for surf in MATLAB
2:58 In this video, we will use non-uniform spacing for the X vector going into a surf plot in...
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uicontextmenu and ButtonDownFcn in MATLAB
4:01 When you use ButtonDownFcn in MATLAB, your callback is given an automatic input called...
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Understand If statement behavior on vectors
2:04 In teaching new MATLAB users, I often see them accidentally use a vector as an input to an...
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Refactor code to rename variable with with MATLAB editor
1:30 As code matures, very often the nature of variables becomes better understood and the names...
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Hide implementation in functions
3:08 I am working on a large scale project that involves many broad topics like loading data, and...
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Breaking down a custom visualization in MATLAB
3:35 Custom visualizations in MATLAB can be made to show your data however you think best. ...
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Catch errors early with simple visualizations
3:23 The sooner you find an error, the less expensive it is to find and fix. In MATLAB it is...
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Using one callback function for multiple UI objects in GUIDE
2:43 By default, GUIDE creates one callback function for every object in a UI. Sometimes, you...
presque 13 ans il y a
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MATLAB: Manipulating the data in a UItable in GUIDE
2:13 If you have a UItable in a UI made in GUIDE, you might want to change that data in a...
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Knowing when to optimize your graphics in MATLAB
3:03 The MATLAB user’s question in this video was about optimizing their graphics in MATLAB. ...
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Interactively editing a colormap in MATLAB
2:40 I recently wanted a colormap that was distinctive. I wanted the zero values to be one color...
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Custom interactive graphics in MATLAB
4:16 Knowing how to use callbacks in MATLAB allows you to customize your graphics and make them...
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When only small speed improvements are possible in MATLAB
6:33 The profiler is very important when you want to speed up your code. It is nearly impossible...
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Using Cody for algorithm development
3:26 Do you need to develop an algorithm in MATLAB? Do you have tests in MATLAB that would tell...
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Monte carlo testing of the Luhn checksum in MATLAB
3:12 This video builds on the last one. A quick monte carlo test is built to see if the Luhn...
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Luhn checksum implemented in MATLAB
5:55 The Luhn algorithm is a fast checksum that allows you to know if an entered series of...
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Populating a uicontrol and reading a directory in MATLAB
2:47 Recently, a MATLAB user asked me how to build a UI which lets the user display any image in...
environ 13 ans il y a
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Using the right visualization for understanding data in MATLAB
4:50 It is often easier to acquire or generate data than it is to understand the data. In this...
environ 13 ans il y a
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Plotting a matrix in MATLAB
3:50 Many times we use difficult syntax in MATLAB because we do not know there is a better way...
environ 13 ans il y a