# Undocumented Matlab Professional Matlab consulting, development and training This is one page of public article previews, not the complete archive. Follow Next page to continue. Summaries are not the original full articles. ## Speeding-up builtin Matlab functions - part 3 DevFeed: [Speeding-up builtin Matlab functions - part 3]() Original publisher: [Read original article]() Author: Yair Altman Published: 2020-04-06T20:44:07Z Content type: tutorial Language: en Sources: [Undocumented Matlab]() Topics: [MATLAB](), [Statistics](), [Code]() Tags: [code](), [low-risk-of-breaking-in-future-versions](), [low-risk-of-breaking-in-future-versions-stock-matlab-function-toolbox](), [performance](), [pure-matlab](), [statistics](), [stock-matlab-function](), [toolbox]() ### AI overview This tutorial explains how to optimize a local copy of MATLAB's built-in mvksdensity implementation. For a 1024x1024 data mesh, the author reports reducing runtime from 76 seconds to 13 seconds while preserving numerical accuracy, using MATLAB R2016a or newer with the Statistics Toolbox. ### Source excerpt Built-in Matlab functions can often be profiled and optimized for improved run-time performance. This article shows a typical example. The post Speeding-up builtin Matlab functions - part 3 appeared first on Undocumented Matlab. Related posts: Speeding-up builtin Matlab functions - part 2 Built-in Matlab functions can often be profiled and optimized for improved run-time performance. This article shows a typical example. ... Speeding-up builtin Matlab functions - part 1 Built-in Matlab functions can often be profiled and optimized for improved run-time performance. This article shows a typical example. ... Speeding up Matlab-JDBC SQL queries Fetching SQL ResultSet data from JDBC into Matlab can be made significantly faster. ... Callback functions performance Using anonymous functions in Matlab callbacks can be very painful for performance. Today's article explains how this can be avoided. ... ## Improving graphics interactivity DevFeed: [Improving graphics interactivity]() Original publisher: [Read original article]() Author: Yair Altman Published: 2019-04-21T21:03:10Z Content type: tutorial Language: en Sources: [Undocumented Matlab]() Topics: [MATLAB](), [GUI](), [Usability]() Tags: [graphics](), [gui](), [gui-handle-graphics-medium-risk-of-breaking-in-future-versions-stock-matlab-function](), [handle-graphics](), [medium-risk-of-breaking-in-future-versions](), [performance](), [profiling](), [pure-matlab](), [script](), [stock-matlab-function](), [toolbar](), [usability]() ### AI overview This article examines MATLAB R2018b's default axes mouse interactions, focusing on performance and usability problems. It describes replacing inefficient DataTipInteraction and PanInteraction settings with RegionZoomInteraction and outlines a test setup for measuring the changes. ### Source excerpt Matlab R2018b added default axes mouse interactivity at the expense of performance. Luckily, we can speed-up the default axes. The post Improving graphics interactivity appeared first on Undocumented Matlab. Related posts: Undocumented HG2 graphics events Matlab's new HG2 graphics engine includes many new undocumented events that could be used in various ways. ... Handle Graphics Behavior HG behaviors are an important aspect of Matlab graphics that enable custom control of handle functionality. ... Improving save performance There are many different ways of improving Matlab's standard save function performance. ... Waterloo graphics Waterloo is an open-source library that can significantly improve Matlab GUI. ... ## Interesting Matlab puzzle - analysis DevFeed: [Interesting Matlab puzzle - analysis]() Original publisher: [Read original article]() Author: Yair Altman Published: 2019-04-09T11:52:00Z Content type: article Language: en Sources: [Undocumented Matlab]() Topics: [MATLAB](), [Parsing](), [Programming]() Tags: [analysis](), [code](), [console](), [if-statement](), [medium-risk-of-breaking-in-future-versions](), [medium-risk-of-breaking-in-future-versions-undocumented-feature](), [parsing](), [pure-matlab](), [syntax](), [undocumented-feature]() ### AI overview An analysis of a Matlab puzzle explains how a same-line expression after an if condition is parsed as a separate expression. The false branch is skipped, the else branch displays "Daba," and the potentially erroneous or function call is never evaluated. ### Source excerpt Solution and analysis of a simple Matlab puzzle that leads to interesting insight on Matlab's parser. The post Interesting Matlab puzzle - analysis appeared first on Undocumented Matlab. Related posts: Interesting Matlab puzzle A simple Matlab puzzle that leads to interesting insight on Matlab's parser. ... An interesting uitree utility ExploreStruct is a utility that shows how custom uitrees can be integrated in Matlab GUI... A couple of internal Matlab bugs and workarounds A couple of undocumented Matlab bugs have simple workarounds. ... Matlab compiler bug and workaround Both the Matlab compiler and the publish function have errors when parsing block-comments in Matlab m-code. ... ## Interesting Matlab puzzle DevFeed: [Interesting Matlab puzzle]() Original publisher: [Read original article]() Author: Yair Altman Published: 2019-03-31T10:15:06Z Content type: opinion Language: en Sources: [Undocumented Matlab]() Topics: [MATLAB](), [Parser](), [Parsing](), [Programming]() Tags: [analysis](), [medium-risk-of-breaking-in-future-versions](), [medium-risk-of-breaking-in-future-versions-undocumented-feature](), [parsing](), [programming](), [pure-matlab](), [puzzle](), [undocumented-feature]() ### AI overview This article presents a Matlab code puzzle about conditional operators, evaluation behavior, operand order, and parentheses. It invites readers to predict and then run the code, highlighting how the results provide insight into Matlab's parser. ### Source excerpt A simple Matlab puzzle that leads to interesting insight on Matlab's parser. The post Interesting Matlab puzzle appeared first on Undocumented Matlab. Related posts: Interesting Matlab puzzle - analysis Solution and analysis of a simple Matlab puzzle that leads to interesting insight on Matlab's parser. ... An interesting uitree utility ExploreStruct is a utility that shows how custom uitrees can be integrated in Matlab GUI... A couple of internal Matlab bugs and workarounds A couple of undocumented Matlab bugs have simple workarounds. ... Matlab DDE support Windows DDE is an unsupported and undocumented feature of Matlab, that can be used to improve the work-flow in the Windows environment... ## Undocumented plot marker types DevFeed: [Undocumented plot marker types]() Original publisher: [Read original article]() Author: Yair Altman Published: 2019-03-13T11:05:14Z Content type: tutorial Language: en Sources: [Undocumented Matlab]() Topics: [MATLAB](), [Programming](), [GUI]() Tags: [graphics](), [handle-graphics](), [handle-graphics-hidden-property-low-risk-of-breaking-in-future-versions-stock-matlab-function-undocu](), [hg2](), [hidden-property](), [internal-component](), [low-risk-of-breaking-in-future-versions](), [plotting](), [properties](), [pure-matlab](), [stock-matlab-function](), [undocumented-feature](), [visualization]() ### AI overview This article explains how MATLAB's hidden MarkerHandle property exposes undocumented plot marker styles, including the hbar and vbar styles. It also describes related marker customization capabilities such as transparency and color gradients. ### Source excerpt Undocumented plot marker styles can easily be accesses using a hidden plot-line property. The post Undocumented plot marker types appeared first on Undocumented Matlab. Related posts: Types of undocumented Matlab aspects This article lists the different types of undocumented/unsupported/hidden aspects in Matlab... Undocumented scatter plot behavior The scatter plot function has an undocumented behavior when plotting more than 100 points: it returns a single unified patch object handle, rather than a patch handle for each specific point as it returns with 100 or less points.... Plot markers transparency and color gradient Matlab plot-line markers can be customized to have transparency and color gradients. ... Undocumented scatter plot jitter Matlab's scatter plot can automatically jitter data to enable better visualization of distribution density. ... ## Matlab toolstrip - part 9 (popup figures) DevFeed: [Matlab toolstrip - part 9 (popup figures)]() Original publisher: [Read original article]() Author: Yair Altman Published: 2019-02-10T17:00:10Z Content type: tutorial Language: en Sources: [Undocumented Matlab]() Topics: [MATLAB](), [GUI](), [Forms]() Tags: [figure](), [figure-window](), [figure-window-gui-high-risk-of-breaking-in-future-versions-java-undocumented-feature](), [forms](), [gui](), [high-risk-of-breaking-in-future-versions](), [java](), [legacy](), [screenshot](), [snippet](), [toolstrip](), [undocumented-feature]() ### AI overview A tutorial on attaching customizable popup figures to MATLAB GUI toolstrip controls. It explains the required figure type, callback setup, positioning, and limitations of legacy figures versus web-based uifigures. ### Source excerpt Custom popup figures can be attached to Matlab GUI toolstrip controls. The post Matlab toolstrip - part 9 (popup figures) appeared first on Undocumented Matlab. Related posts: Matlab toolstrip - part 4 (control customization) Matlab toolstrip components (controls) can be customized in various ways, including user-defined callbacks. ... Matlab toolstrip - part 2 (ToolGroup App) Matlab users can create custom Apps with toolstrips and docked figures. ... Matlab toolstrip - part 8 (galleries) Matlab toolstrips can contain customizable gallery panels of items. ... Matlab toolstrip - part 5 (icons) Icons can be specified in various ways for toolstrip controls and the app window itself. ... ## Matlab toolstrip - part 8 (galleries) DevFeed: [Matlab toolstrip - part 8 (galleries)]() Original publisher: [Read original article]() Author: Yair Altman Published: 2019-02-03T17:00:55Z Content type: tutorial Language: en Sources: [Undocumented Matlab]() Topics: [MATLAB](), [GUI]() Tags: [code](), [components](), [figure](), [figure-window](), [figure-window-gui-high-risk-of-breaking-in-future-versions-undocumented-feature](), [gallery](), [gui](), [high-risk-of-breaking-in-future-versions](), [properties](), [toolstrip](), [undocumented-feature]() ### AI overview This tutorial explains how to add customizable gallery panels to MATLAB toolstrips. It covers gallery structure, categories, push-button and toggle-button items, selection behavior, and appearance-related properties. ### Source excerpt Matlab toolstrips can contain customizable gallery panels of items. The post Matlab toolstrip - part 8 (galleries) appeared first on Undocumented Matlab. Related posts: Matlab toolstrip - part 7 (selection controls) Matlab toolstrips can contain a wide variety of selection controls: popups, combo-boxes, and galleries. ... Matlab toolstrip - part 6 (complex controls) Multiple types of customizable controls can be added to Matlab toolstrips... Matlab toolstrip - part 9 (popup figures) Custom popup figures can be attached to Matlab GUI toolstrip controls. ... Matlab toolstrip - part 5 (icons) Icons can be specified in various ways for toolstrip controls and the app window itself. ... ## Matlab toolstrip - part 7 (selection controls) DevFeed: [Matlab toolstrip - part 7 (selection controls)]() Original publisher: [Read original article]() Author: Yair Altman Published: 2019-01-27T17:00:34Z Content type: tutorial Language: en Sources: [Undocumented Matlab]() Topics: [MATLAB](), [GUI]() Tags: [code](), [components](), [customization](), [figure](), [figure-window](), [figure-window-gui-high-risk-of-breaking-in-future-versions-undocumented-feature](), [gui](), [high-risk-of-breaking-in-future-versions](), [toolstrip](), [undocumented-feature]() ### AI overview This tutorial explains how to add selection controls to MATLAB toolstrips, including dropdowns and list boxes. It discusses selectable values, editable dropdown entries, and differences between list-box and dropdown properties. ### Source excerpt Matlab toolstrips can contain a wide variety of selection controls: popups, combo-boxes, and galleries. The post Matlab toolstrip - part 7 (selection controls) appeared first on Undocumented Matlab. Related posts: Matlab toolstrip - part 6 (complex controls) Multiple types of customizable controls can be added to Matlab toolstrips... Matlab toolstrip - part 8 (galleries) Matlab toolstrips can contain customizable gallery panels of items. ... Matlab toolstrip - part 9 (popup figures) Custom popup figures can be attached to Matlab GUI toolstrip controls. ... Matlab toolstrip - part 4 (control customization) Matlab toolstrip components (controls) can be customized in various ways, including user-defined callbacks. ... ## Matlab toolstrip - part 6 (complex controls) DevFeed: [Matlab toolstrip - part 6 (complex controls)]() Original publisher: [Read original article]() Author: Yair Altman Published: 2019-01-21T16:00:38Z Content type: tutorial Language: en Sources: [Undocumented Matlab]() Topics: [MATLAB](), [Code]() Tags: [class](), [classes](), [code](), [components](), [customization](), [figure](), [figure-window](), [figure-window-gui-high-risk-of-breaking-in-future-versions-ui-controls-undocumented-feature](), [function](), [gui](), [high-risk-of-breaking-in-future-versions](), [identifier](), [implementation](), [list](), [mnemonic](), [properties](), [property](), [toolbox](), [toolstrip](), [types](), [ui-controls](), [undocumented-feature]() ### AI overview This tutorial explains how to add complex controls such as button groups, edit boxes, spinners, and sliders to custom MATLAB toolstrips. It recommends using built-in toolstrip demos and their available M-file source code as implementation references, and introduces shared control properties. ### Source excerpt Multiple types of customizable controls can be added to Matlab toolstrips The post Matlab toolstrip - part 6 (complex controls) appeared first on Undocumented Matlab. Related posts: Matlab toolstrip - part 7 (selection controls) Matlab toolstrips can contain a wide variety of selection controls: popups, combo-boxes, and galleries. ... Matlab toolstrip - part 4 (control customization) Matlab toolstrip components (controls) can be customized in various ways, including user-defined callbacks. ... Matlab toolstrip - part 8 (galleries) Matlab toolstrips can contain customizable gallery panels of items. ... Matlab toolstrip - part 3 (basic customization) Matlab toolstrips can be created and customized in a variety of ways. ... ## Matlab toolstrip - part 5 (icons) DevFeed: [Matlab toolstrip - part 5 (icons)]() Original publisher: [Read original article]() Author: Yair Altman Published: 2019-01-06T17:00:37Z Content type: tutorial Language: en Sources: [Undocumented Matlab]() Topics: [MATLAB](), [GUI](), [App]() Tags: [app](), [customization](), [gui](), [gui-high-risk-of-breaking-in-future-versions-java-undocumented-feature](), [high-risk-of-breaking-in-future-versions](), [icons](), [java](), [toolstrip](), [undocumented-feature]() ### AI overview This tutorial explains how to set icons for MATLAB toolstrip controls and app windows. It covers standard icons, local PNG or JPG files, images packaged in JAR files, and Java objects. ### Source excerpt Icons can be specified in various ways for toolstrip controls and the app window itself. The post Matlab toolstrip - part 5 (icons) appeared first on Undocumented Matlab. Related posts: Matlab toolstrip - part 3 (basic customization) Matlab toolstrips can be created and customized in a variety of ways. ... Matlab toolstrip - part 9 (popup figures) Custom popup figures can be attached to Matlab GUI toolstrip controls. ... Matlab toolstrip - part 2 (ToolGroup App) Matlab users can create custom Apps with toolstrips and docked figures. ... Matlab toolstrip - part 8 (galleries) Matlab toolstrips can contain customizable gallery panels of items. ...