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Persisting transparent colors in HG2

Several months ago, I showed how we can set semi- and fully-transparent colors in HG2 (Matlab’s new graphics engine, starting in R2014b) for multiple graphic objects, including plot lines, plot...

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Sliders in Matlab GUI

One of my consulting clients asked me last week if I knew an easy way to integrate a range (dual-knob) slider control in Matlab GUI. Today’s post is an expansion of the answer I provided him, which I...

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Some performance-tuning tips

Today’s post is about performance. My goal is to show that contrary to widespread perception, Matlab is not inherently too slow to be used for real-life programs. In fact, by taking a small amount of...

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JGraph in Matlab figures

I would like to introduce guest blogger Scott Koch. Scott is part of the development team at Eigenvector Research Inc., makers of PLS_Toolbox, a commercial chemometrics and multivariate data analysis...

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Capturing print events

As a followup to my recent post on capturing and using HG2′s new graphic events, I would like to welcome back guest blogger Robert Cumming, who developed a commercial Matlab GUI framework. Today,...

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Matlab designs by Tim Smith

Matlab has undergone significant facelifts in recent years: Matlab Mobile (first introduced in 2010, with various upgrades since), R2012b’s new desktop toolstrip, various Matlab Central’s website...

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Using linkaxes vs. linkprop

One of my clients recently asked me to solve a very peculiar problem: He had several axes and was using Matlab’s builtin linkaxes function to link their axis limits. However, it didn’t behave quite the...

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Static Java classpath hacks

A few days ago I encountered a situation where I needed to incorporate a JAR file into Matlab’s static Java classpath. I came across several relevant hacks that I thought could be useful for others:The...

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Accessing internal Java class members

Following my previous post on using the Java classloader, I thought I’d follow up today with a somewhat-related peculiarity.Inner classesWhenever we have an enum or inner-class defined within a Java...

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Solving an mput (FTP) hang problem

Matlab includes a variety of builtin utility functions that enable easy access to FTP. These functions are basically methods of an FTP object using Matlab’s old class system (for example, the mput...

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Callback functions performance

Matlab enables a variety of ways to define callbacks for asynchronous events (such as interactive GUI actions or timer invocations). We can provide a function handle, a cell-array (of function handle...

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Adding dynamic properties to graphic handles

A client recently asked me to extend one of Matlab’s built-in graphic containers (uiflowcontainer in this specific case) with automatic scrollbars that would enable the container to act as a...

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Font selection components

I’ve written here in the past about how Matlab includes multiple alternatives for color selection, plot-type selection and date selection components, that can easily be integrated in Matlab figures...

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Hyperlink text labels

It is often useful to include hyperlinked text labels in GUIs. Such labels provide single-click access to important functionality, improve branding, and are non-intrusive action controls having a lower...

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Enabling user callbacks during zoom/pan

An annoying side-effect of Matlab figure uimodes (zoom, pan and rotate3d) is that they disable the user’s figure-wide callbacks (KeyPressFcn, KeyReleaseFcn, WindowKeyPressFcn, WindowKeyReleaseFcn,...

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Figure keypress modifiers

Matlab figures have a documented property called SelectionType that returns information about keypress modifiers such as or that were pressed during mouse clicks. Using this property has several...

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Customizing contour plots

One of my clients asked me last week whether it is possible to access and customize individual contour lines and labels in HG2 (Matlab’s new graphics system, R2014+). Today’s post will discuss how this...

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Solving a Matlab MCOS bug

A few days ago, one of my consulting clients asked me to help him with a very strange problem: he had a Matlab class having a constant property that holds a reference to some handle class object. The...

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Programmatic shortcuts manipulation – part 1

User-defined shortcuts can interactively be added to the Matlab Desktop to enable easy access to often-used scripts (e.g., clearing the console, running a certain program, initializing data etc.)....

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Programmatic shortcuts manipulation – part 2

Today I will expand last week’s post on customizing Matlab Desktop’s shortcuts. I will show that we can incorporate non-standard controls, and add tooltips and user callbacks in undocumented ways that...

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