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Yair Altman

Consultant

Last seen: 2 days ago | Active since 2007

Website: http://UndocumentedMatlab.com Professional programmer and manager since 1991. Author: "Accelerating MATLAB Performance" book: http://UndocumentedMatlab.com/books/matlab-performance "Undocumented MATLAB-Java Programming Secrets": http://UndocumentedMatlab.com/books/matlab-java MSc Computer Science, BSc Physics (both with top honors). Contact me at: altmany at gmail.com

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IQML - Matlab connector to IQFeed
Matlab connector to IQFeed

4 days ago | 1 download |

Answered
Is "Undocumented Secrets of MATLAB Java Programming" by Yair Altman still up to date?
As of the latest release (R2023b), most of what I posted over the years on the undocumentedmatlab.com website (and in the 2011 b...

20 days ago | 5

| accepted

Submitted

export_fig
A MATLAB toolbox for exporting publication quality figures

3 months ago | 1197 downloads |

Answered
How can I make the execution speed consistent while I am testing the speed of the programs?
I can certainly understand the desire to use a sandboxed environment that would enable you to optimize the performance of your p...

9 months ago | 0

Answered
Get data point that was clicked on in graph
At your service :-) t=0:.01:5; y=sin(t); hPlot=plot(t,y); hPlot.ButtonDownFcn = @(h,e) disp(e.IntersectionPoint); Now wheneve...

9 months ago | 1

Submitted

checkClass - inspect a Java/Matlab/Python/COM/C++/.NET class
Inspect a Java/MCOS/Python/C++/.NET object or classname and display its methods, properties, events, superclasses, subclasses, c...

10 months ago | 2 downloads |

Submitted

EODML - Matlab connector to EODHistoricalData
Matlab connector to EODHistoricalData, optimized for reliability, ease-of-use, functionality and performance (including parallel...

11 months ago | 1 download |

Answered
Simulink Project Opening Speeds
You might find some of the ideas in the following article useful. It's a bit old, but some of the suggestions might possibly sti...

11 months ago | 0

Submitted

ScreenCapture - screenshot of component, figure or screen
ScreenCapture gets a screen-capture image of any Matlab GUI handle, or specified screen area rectangle

11 months ago | 71 downloads |

Answered
Axes box incompletely copied to clipboard
@Matt J export_fig(gcf,'-transparent','-clipboard') v3.28 now supports figure transparency for image fomats as well as EMF (wher...

11 months ago | 2

| accepted

Submitted

Windows registry utilities
getRegistryValue - get a value from Windows registry (winqueryreg wrapper) setRegistryValue - set a value in the registry (new...

1 year ago | 2 downloads |

Submitted

CustomizeAxes
Live task to customize Matlab axes interactively

1 year ago | 2 downloads |

Answered
Get path from running script
mfilename('fullpath') does indeed return the full path to the currently-running script file, at least on the latest Matlab relea...

1 year ago | 1

Answered
how to change java icon (after convert GUI to exe file) to my project logo
The icon image needs to be placed next to the executable when you run the program, otherwise it will not be found and the defaul...

1 year ago | 0

Answered
Increase Java Heap Space for a appliction created by Matlab Application Compiler
You can add a java.opts file to the "Files installed for your end users" section, at the bottom of the deploy-tool window, next ...

1 year ago | 0

Answered
Java Icon after packaging standalone application
The icon image needs to be placed next to the executable when you run the program, otherwise it will not be found and the defaul...

1 year ago | 0

Answered
Compiler Question - Figure Docking
The Matlab Desktop is not available in compiled application, and for a very good reason - otherwise users could compile and dist...

1 year ago | 1

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Answered
Docking a figure in application
The ability to dock figures in deployed programs is available, but is intentionally blocked by the Matlab compiler. I think this...

1 year ago | 1

Answered
Figure docking not working when an application is created using the MATLAB Compiler
The ability to dock figures in deployed programs is available, but is intentionally blocked by the Matlab compiler. I think this...

1 year ago | 0

Answered
Compiled application can't dock figures
The ability to dock figures in deployed programs is available, but is intentionally blocked by the Matlab compiler. I think this...

1 year ago | 0

Submitted

displayWebPage - display a webpage in Matlab figure or panel
Display a web-page URL in a Matlab figure or UI container (panel, tab etc.), updating the displayed browser contents as needed.

1 year ago | 5 downloads |

Answered
GPU speed up for pcg() is disappointing
The gpuArray version of pcg has not been updated since 2018, so it is somewhat lagging compared to the CPU version. Precondition...

1 year ago | 0

Submitted

ObjDiff - Generic object comparator
Compares objects of any type inc. Java, Matlab, HG handles, structs, cells & arrays

1 year ago | 2 downloads |

Answered
Can you programmatically delete text in the editor window?
You can simply update the activeFile.Text property based on your code logic. For example: activeFile.Text = [activeFile.Text(1:...

1 year ago | 2

| accepted

Answered
Requirement to speed up MATLAB Simulink file
Use the Profiler to discover where your performance hotspots are. It is quite possible that you will discover that it's not in y...

1 year ago | 0

Submitted

AVML - Matlab connector to Alpha-Vantage
Matlab connector to Alpha-Vantage

1 year ago | 2 downloads |

Submitted

cprintf - display formatted colored text in Command Window
Displays sprintf-formatted strings in the Command Window using the specified color/underline style

1 year ago | 92 downloads |

Answered
Matlab class property specification
Starting in 16a, you can use the new syntax as long as you don't specify the dimensions. In other words, the following 2 propery...

1 year ago | 2

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Submitted

str2number - Fast replacement for str2num and str2double
Fast replacement for str2num and str2double; converts simple scalar input string(s) to number(s)

2 years ago | 4 downloads |

Answered
Any simple ideas to improve performance of reading long (10 GB scale) .csv file?
If you need to read the entire file for some reason, then try to use parallelization with multiple workers. Each worker would re...

2 years ago | 0