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Finding the area inside a convex hull
2:44 This quick video answers a question about finding the area of the smallest polygon that...
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Basics: Using ACCUMARRAY
2:56 ACCUMARRAY is one of my favorite functions that I never seem to need outside of MATLAB golf...
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MATLAB virtual conference in October 2009
The MathWorks holds free seminars around the country, but not everyone can afford the time and travel cost of attending one...
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Revisited: Integrating to find the volume underneath a set of non uniformly spaced data
5:50 Well, am I turning red! Soon after I posted my last video about how to find the volume...
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Integrating to find the volume underneath a set of nonuniformly spaced data
5:50 This video covers the use of GRIDDATA, anonymous functions, and QUAD2D to integrate the...
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Basics: Implementing a formula in MATLAB
4:59 This video will demonstrate how to implement a formula in MATLAB. In the video, we will...
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Basics: Code review- the thought process in rewriting code for clarity
6:01 This short video covers the thought process of rewriting some code for clarity. The six...
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Puzzler: Results of most difficult puzzler yet
The “Rules of the new game” puzzler was the most difficult one yet. Puzzlers are MATLAB programming challenges that I post...
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GUI tutorials from the File Exchange
I was once one of the many people that have been a steward of the Pick Of The Week blog. I try not to highlight File...
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Puzzler: Rules of the new game
5:11 I was playing a game by LabPixies on my iPhone. I spent more time thinking about...
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Modeling your Mom’s head with MATLAB
I frequent Twitter as MATLABDoug. You can check there for daily MATLAB tips in 140 characters or less, blog post...
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Advanced: Modifying a contour plot with Handle Graphics
3:29 The contour plot will choose the colors of the contour lines based on the level of the...
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Basics: Visualizing a function of two variables
6:30 I was interested in visualizing isolines on a graph of BMI. This is a non-linear function...
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Advanced: loading files using their names for variable names
2:31 In this short video we will show how to bring text files into MATLAB and use the original...
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HandleVisibility property to make GUIs visible in handles hierarchy
1:36 A MATLAB user recently asked me why they could not find the handle to their GUI as a child...
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Puzzler: Find four-connected component to element 1 of 2-d matrix
This week, I was going to make a great video on recursion to solve a fun little puzzle. However, my code runs too slow. ...
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Using HIST and BAR to customize your histograms
1:57 I recently had a question come in via e-mail where this MATLAB user wanted to be able to...
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Building a GUI to read, modify and write an Excel file. 4/4
4:37 This is the fourth in a series of videos that will go through the process of planing and...
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Building a GUI to read, modify and write an Excel file. 3/4
6:24 This is the third in a series of videos that will go through the process of planing and...
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Building a GUI to read, modify and write an Excel file. 2/4
6:42 This is the second in a series of videos that will go through the process of planing and...
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Building a GUI to read, modify and write an Excel file. 1/4
3:11 This is the first in a series of videos that will go through the process of planing and...
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Quick productivity tip in 2009a
One of the best things about working at The MathWorks is seeing my suggestions implemented in the product. I like seeing a...
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Basics: Making a title based on a variable value
3:02 Internet explorer users: Please follow the permalink at the bottom of this post to see the...
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Speeding up Doug’s solution with the profiler
6:18 Last week, I posed a Puzzler. I solved it the hard way, because I did not know any of the...
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MATLAB Puzzler: Professor and the Rain
Being a company full of geeks, a fair amount of brainteasers get passed around. One that recently came around got my...
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Spring 2009 MATLAB programming contest is open
I am pleased to announce that there is a new MATLAB programming contest, and it started a few hours ago. This one is very...
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Setting the colormap to be consistent across axes.
1:43 I love getting short, concise questions from fellow MATLAB users. One that I got recently...
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MATLAB YouTube channel
My colleague, Stuart, is the person behind that charming Scottish accent you hear on many of the MATLAB videos on our...
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Reshape a matrix without using a for loop
1:21 RESHAPE is a very useful function, but it is something that a lot of MATLAB users do not...
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Read data from the web with URLREAD
5:21 I am blogging a little early this week because of the holiday. What holiday would that be? ...
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