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Yair Altman


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Consultant

284 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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Scrollable text box for GUI with selectable/editable text
Your script generates a GUI that looks perfectly ok to me (fully scrollable & selectable) on my Win10, in both 18b and 20a. Yo...

約18時間 前 | 0

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How can I suppress warnings about javacomponent being deprecated?
Wrap your javacomponent code as follows: oldWarningState = warning('off', 'MATLAB:ui:javacomponent:FunctionToBeRemoved'); [hjc...

3日 前 | 0

| 採用済み

回答済み
Plotting performance reduced in APP
App Designer creates an HTML/JavaScript-based webpages (uifigures), which are noticably slower than the Java-based figures that ...

4日 前 | 0

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Datafeed Toolbox IQFeed Level 1 Data Fields Description
Cross-reference: https://www.mathworks.com/matlabcentral/answers/330794-field-list-of-iqfeed-realtime-data In the Trading Toolb...

5日 前 | 0

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With eSignal/InteractiveData being discontinued in the DataFeed Toolbox, are there any other "mid-range" cost options for financial vendors?
A possible mid-range / low-cost financial datafeed is https://eodhistoricaldata.com, which has a Matlab connector called EODML.

5日 前 | 0

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Creating a time series object from IQFeed data.
Consider using my IQML (IQFeed-Matlab) connector as an alternative. IQML enables both synchronous (blocking) and asynchronous (b...

12日 前 | 0

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IQFeed: plot return from array of cells?
I believe that the DataFeed toolbox functions only store data in base workspace variables, from which you need to fetch them aft...

12日 前 | 0

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Is there a way to get the timestamp including milliseconds when using the timeseries function of the datafeed toolbox?
IQFeed only returns the millisecs if you set the connection's IQFeed API protocol to 5.0 (see the IQFeed changelog). In certain ...

12日 前 | 0

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Can't build Tick data from iQfeed for e-mini S&P Futures(symbol: ES)
Consider using my IQML (IQFeed-Matlab) connector for this. IQML enables both synchronous (blocking) and asynchronous (background...

12日 前 | 0

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How to effectively utilize listener and callback functions with iqfeed function realtime.
Consider using my IQML (IQFeed-Matlab) connector as an alternative. IQML enables both synchronous (blocking) and asynchronous (b...

12日 前 | 0

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How do I get tick-by-tick historical data from iqFeed ?
Consider using my IQML (IQFeed-Matlab) connector for this. IQML enables both synchronous (blocking) and asynchronous (background...

12日 前 | 0

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how to get multiple stocks datafeed for IQFeed?
I believe that the Datafeed Toolbox only allows specifying one symbol at a time. See here for example. As an alternative, consi...

12日 前 | 0

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Does the Matlab iqfeed link timeseries function provide bid ask data
I believe that IQFeed provides bid/ask data only for historic ticks (HTT,HTX,HTD) queries, but not interval queries (e.g. HIT). ...

12日 前 | 0

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How to plot data from iqfeed
Consider using my IQML (IQFeed-Matlab) connector for this. IQML enables both synchronous (blocking) and asynchronous (background...

12日 前 | 0

回答済み
IQFeed market depth and time series not working
!NO_DATA! is an IQFeed message that means there is no market-depth data for this symbol. It is my understanding that Market Dept...

12日 前 | 0

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Listener for receiving real time data through DataFeed Toolbox
Consider using my IQML (IQFeed-Matlab) connector as an alternative. IQML enables both synchronous (blocking) and asynchronous (b...

12日 前 | 0

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Field List of IQFeed Realtime Data
Cross-reference: https://www.mathworks.com/matlabcentral/answers/459284-datafeed-toolbox-iqfeed-level-1-data-fields-description ...

12日 前 | 0

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IQFEED and Matlab too slow
For anyone interested, the IQML (IQFeed-Matlab) connector was specifically designed for top performance, including parallel and ...

12日 前 | 0

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Datafeed toolbox & IqFeed -- any known solution to IAsyncResult error?
Perhaps your IQFeed subscription does not enable fetching historic tick/interval data for XIV. Adding the necessary subscription...

12日 前 | 0

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Are synchronous IQFEED data queries possible in Datafeed Toolbox 4.5 (R2013a)?
For anyone interested, the IQML (IQFeed-Matlab) connector enables both synchronous (blocking) and asynchronous (background) quer...

12日 前 | 0

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Can I use the function HISTORY with multiple security inputs for IQFEED data in MATLAB (R2013a)?
For anyone interested, the IQML (IQFeed-Matlab) connector enables querying multiple securities at once, specified as either a ce...

12日 前 | 0

送信済み


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.

18日 前 | ダウンロード 8 件 |

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

19日 前 | ダウンロード 73 件 |

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3D point clouds with variable marker transparency, color and size
As an alternative to scatter3, you could keep using plot3 and attach a callback function to the axes that gets invoked whenever ...

22日 前 | 2

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Does 2019b (windows) contains java?
The Java runtime is located in C:\Program Files\Matlab\R2019b\sys\java\jre\win64\jre\bin\

23日 前 | 0

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

24日 前 | ダウンロード 1 件 |

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Figure uitable does not display html image in 2019b
It's not just in tables. For some reason <img> tags are now ignored in all uicontrols (inc. buttons, listboxes etc.). There is n...

約1ヶ月 前 | 2

| 採用済み

送信済み


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

約1ヶ月 前 | ダウンロード 80 件 |

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How to keep axes on top of uipanels?
You can also use a semi-tranparent patch. Patches are children of axes, so they move around with the axes if you zoom or pan, an...

約2ヶ月 前 | 1

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How to keep axes on top of uipanels?
You had a few errors in your code: first, you made Panel3 transparent instead of Panel2. Secondly, you need to create Panel2 ins...

約2ヶ月 前 | 0

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