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Yair Altman


Consultant

218 total contributions since 2007

Website: http://UndocumentedMatlab.com
LinkedIn: http://www.linkedin.com/in/yairaltman

Author of "Accelerating MATLAB Performance" book:
http://UndocumentedMatlab.com/books/matlab-performance

Author of "Undocumented Secrets of MATLAB-Java Programming" book:
http://UndocumentedMatlab.com/books/matlab-java

MSc Computer Science, BSc Physics (both with top honors)

Professional programmer and manager since 1991

Contact me: altmany at gmail.com

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Yair Altman's Badges

  • 6 Month Streak
  • Revival Level 3
  • Knowledgeable Level 3
  • Thankful Level 1
  • First Answer

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Submitted


calcGreeks - Calculate Greeks (Black/Scholes, European)
calcGreeks computes fair price and Greek values for vanilla European options using the Black-Sholes-Merton model, optimized for ...

14 days ago | 6 downloads |

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How to colorize the document tabs of the editor?
I looked into this problem but I could not find a way to do so. What you proposed is the way that it should have worked, but i...

20 days ago | 1

Answered
Adabting Ui from 2013 to 2016
Unfortunately, The HeightLimits and WidthLimits properties were removed from uiflowcontainer at some point in time. This is quit...

20 days ago | 0

Answered
Trading Toolbox (V3.5) NOT working with latest IB API
Check whether you have correctly set the relevant settings on your TWS/Gateway's API configuration panel, specifically "Enable A...

2 months ago | 0

Answered
Microsoft Visual C++ Runtime Library Error with Matlab
As you've noticed, using IB's COM/ActiveX API (which is used by the Trading Toolbox) has severe limitations. In addition to the ...

2 months ago | 0

Answered
I bought MATLAB and Trading toolbox to automate my trading with Interactive brokers (IB) in Dec. 2017, but it doesn't work.
As you've noticed, using IB's COM/ActiveX API (which is used by the Trading Toolbox) has severe limitations. In addition to the ...

2 months ago | 1

Answered
Connected to interactive brokers after the update
Consider trying the alternative IB-Matlab toolbox, which is actively maintained since 2010: <https://undocumentedmatlab.com/IB-M...

2 months ago | 0

Answered
options for layout gui
Hi Walter - I'm not sure why you say that <https://undocumentedmatlab.com/blog/uitree> no longer works - it works perfectly fine...

3 months ago | 0

Submitted


findjobj - find java handles of Matlab graphic objects
Find java objects contained within a specified java container or Matlab GUI handle

3 months ago | 151 downloads |

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Problem in setting Yaxis value
Try this - note that it relies on the hidden/undocumented axis property *YRuler* (and similarly for *XRuler*, *ZRuler*): ax...

4 months ago | 0

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Why do I get an "actxserver" error when trying to connect to Interactive Brokers Trader Workstation with the "ibtws" command?
Sometime in recent years, presumably around TWS API 9.70, IB changed their COM server's ProgID from 'TWS.TwsCtrl.1' to 'TWS.TwsC...

4 months ago | 0

Answered
Interactive brokers(TWS) current version not working with MATLAB?
Sometime in recent years, presumably around TWS API 9.70, IB changed their COM server's ProgID from 'TWS.TwsCtrl.1' to 'TWS.TwsC...

4 months ago | 0

Submitted


attachScrollPanelTo - add scroll-panel to a uipanel or axes
Places the specified control/uipanel inside a scroll-panel that automatically appears when the container shrinks (resizes)

5 months ago | 12 downloads |

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max_in_place - example of multi-threaded MEX function
Example of a multi-threaded MEX function, that can easily be adapted

5 months ago | 6 downloads |

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How to obtain handlers to line objects from a legend object?
Cross-reference: <https://undocumentedmatlab.com/blog/plot-legend-customization>

5 months ago | 0

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possible to increase speed of power function applied to a vector?
In addition to what Jan said, perhaps your in your specific case it is possible to work at the exponent level, i.e. not Y=10^X b...

5 months ago | 0

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Why am I encountering unrecognized property 'expiry' error while accessing the contact data?
IB renamed the Expiry property to "LastTradingDay" or "LastTradeDateOrContractMonth" (depending on the specific use-case) in its...

6 months ago | 0

Submitted


getjframe - Retrieves a figure's underlying Java frame
Enable multiple window callbacks and properties not exposed by Matlab

6 months ago | 6 downloads |

Submitted


getHWnd - retrieve the underlying Windows handle for Matlab figure(s)
Enable C++ GUI integration by retrieving the HWnd handle of matlab figure(s)

6 months ago | 1 download |

Submitted


statusbar
set/get status bar(s) for GUI figures & Matlab desktop

6 months ago | 18 downloads |

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How do I extract data from MATLAB figures?
Note that the official MathWorks answer above relies on opening and displaying the figure (using the open() function) before ext...

7 months ago | 4

Answered
Matlab and Interactive Brokers
Trading Toolbox support for Interactive Brokers is limited to Windows only. This is clearly mentioned in the <https://www.mathwo...

9 months ago | 0

Answered
Is it possible to build a Matlab-GUI completely with HTML and CSS?
The latest Matlab GUI (created using the App Designer tool or the uifigure function) is based on HTML, JavaScript and CSS - not ...

9 months ago | 4

Answered
How to use the data brush tool to automatically save selected points in multiple line plots
See an explanation and discussion of the undocumented BrushData functionality here: <https://undocumentedmatlab.com/blog/acces...

9 months ago | 0

Submitted


autoScaleImageCLim
Automatically update an image axes' CLim based on displayed portion

10 months ago | 3 downloads |

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How to unblocked deployed application blocked by antivirus?
Another possible cause for the antivirus block is the XML manifest file which is included in the deployed executable. Additi...

10 months ago | 0

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What is the fastest way to export a figure in MATLAB?
ScreenCapture: <https://www.mathworks.com/matlabcentral/fileexchange/24323-screencapture-get-a-screen-capture-of-a-figure-frame-...

11 months ago | 1

Answered
Interactive Brokers API Connection Error
Sometime in recent years, presumably around API version 9.70, IB changed their COM server's ProgID from 'TWS.TwsCtrl.1' to 'TWS....

11 months ago | 0

Answered
MatLab Trading toolbox - and IB TWS
Version 9.69 refers to the <https://www.interactivebrokers.com/en/index.php?f=5041 IB API version>, not the TWS version. As of t...

11 months ago | 0

Answered
Trading Toolbox IB API Version
Sometime in recent years, presumably around TWS API 9.70, IB changed their COM server's ProgID from 'TWS.TwsCtrl.1' to 'TWS.TwsC...

11 months ago | 0

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