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Yair Altman


Consultant

257 2007 年以降の合計貢献数

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

3日 前 | ダウンロード 4 件 |

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How can I put a javacomponent in the app designer?
Java components are not supported by AppDesigner or uifigures. This is not a temporary limitation - it is a fundamental outcome ...

25日 前 | 0

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deprecated javacomponent and javaframe
I am very sorry to say that I am not aware of any easy way to make the transition from a Java-rich GUI to uifigures. All the mai...

約1ヶ月 前 | 4

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com.mathworks.*....
These Java classes are internal to Matlab, are unsupported and undocumented. To the best of my knowledge, the only location that...

約2ヶ月 前 | 1

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How do I speed up plotting of interactable scatter points?
Indeed - you get a single line object with multiple data points, this is the main reason for the speedup. In your callback you c...

約2ヶ月 前 | 0

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How do I speed up plotting of interactable scatter points?
Try to use the vectorized version of plot to plot all the data points in a single function call rather than a loop, and also try...

約2ヶ月 前 | 0

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How can convert a .gdb (binary file) file to a .mat file ?
I am not familiar with a direct GDB-to-Matlab function. The easiest solution may be to store the data in CSV file rather than G...

2ヶ月 前 | 0

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How to speed up function approximation?
It may be useful to replace the string with a function handle. Also, setting the convergence tolerances to smaller values than...

2ヶ月 前 | 0

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Converting .fig file into 2D .dxf file
I think it may be simplest to save the figure as PDF and then use one of the multiple available converters from PDF to DXF.

2ヶ月 前 | 1

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Subscript in stackedplot DisplayLabels
You can access the individual stacked-axes' properties via the hidden sub-property Axes of the stackedplot's AxesProperties prop...

3ヶ月 前 | 2

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Improving Presentation of a Graph
Regarding output quality, esp. for EPS that you mentioned - many people found the export_fig utility useful for preparing public...

3ヶ月 前 | 0

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The following appears in the command window. What does it mean?java.lang.NullPointerException
This is an error that originates from Java code, typically concerning some GUI component that misbehavs or which does not handle...

3ヶ月 前 | 0

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Matlab uitable column font size using html not working
HTML is only supported out-of-the-box in the legacy (Java-based) figures, not the new web-based (AppDesigner) uifigures. You ma...

3ヶ月 前 | 0

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Why does "Auto Width" feature not adapt to table axes size in GUIDE?
The "AutoWidth" setting of the uitable only sets the individual column's width based on its contents. It does not control the en...

4ヶ月 前 | 1

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How to add a sortable property to uitable within a classic figure.
My Java-based uitable utility on the Matlab File Exchange provides a sortable wrapper for the legacy uitable. The sorting functi...

4ヶ月 前 | 3

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

4ヶ月 前 | ダウンロード 135 件 |

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How to open SLDD parameter editor dialog programatically?
try using the openvar function

4ヶ月 前 | 0

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Why does fplot think my function is not vectorized
As far as I can tell (never mind exactly how), internally a check is made whether the output of fun(1:3) is exactly equaln to th...

4ヶ月 前 | 1

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checkClass - inspect a Java/Matlab/COM class object/name
inspect a Java/MCOS/COM/.NET object or classname and display its methods, properties, events, interfaces, etc.

4ヶ月 前 | ダウンロード 6 件 |

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blurFigure - blurs and prevents interaction on figure window
blurs a specified figure window and prevents interaction with it until the figure is un-blurred

6ヶ月 前 | ダウンロード 2 件 |

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uigetfile with default filter
Adam Danz had the right idea, but missed a few key things. The FilterIndex field should indeed have influenced the filter select...

7ヶ月 前 | 3

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Draggable data tips
Enable dragging Matlab plot data-tips

7ヶ月 前 | ダウンロード 3 件 |

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Unable to connect to Interactive Brokers after installed 2018a in new Laptop
Sometime in recent years, presumably around TWS API 9.70, IB changed their COM server's ProgID from 'TWS.TwsCtrl.1' to 'TWS.TwsC...

7ヶ月 前 | 0

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

8ヶ月 前 | ダウンロード 8 件 |

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How can I speed up my program ?
The first step you should do is to run your code in the Matlab Profiler. This will give you insight as to the specific bottlenec...

8ヶ月 前 | 0

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Slider Code problem with axes
In your example, both val and x are not scalars. When you multiply vectors/matrices in Matlab using the * operator, Matlab uses ...

8ヶ月 前 | 0

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I would like to add a 'display-all' hyperlink functionality to a class.
It is true that desktop hyperlinks only work at the base workspace level, but you can still access specific object instances if ...

8ヶ月 前 | 0

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Upside down display of graph
Try to do the following, step-by-step, until you find one of them solves the problem: set(gcf,'renderer','opengl'); opengl('so...

8ヶ月 前 | 0

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How could i displace the values of X axis under X axis (Y negative) ?
A peculiarity of AxisLocation='origin' is that the X and Y tick labels automatically switch location (from below the X axis to a...

8ヶ月 前 | 1

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Environment variables in javaclasspath.txt
I do not believe that you can use env vars in your javaclasspath.txt file, but as workaround, you can programmatically load the ...

8ヶ月 前 | 0

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