Yair Altman

Consultant

Last seen: Today | 2007 이후 활성

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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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...

2달 전 | 0

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

3달 전 | 다운로드 수: 3 |

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export_fig
Publication-quality export of Matlab figures and axes to various vector & bitmap formats

3달 전 | 다운로드 수: 1055 |

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

4달 전 | 다운로드 수: 2 |

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IQML - Matlab connector to IQFeed
Matlab connector to IQFeed optimized for reliability, ease-of-use, functionality and performance (including parallelization)

4달 전 | 다운로드 수: 2 |

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

4달 전 | 다운로드 수: 80 |

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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...

5달 전 | 2

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

6달 전 | 다운로드 수: 2 |

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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...

6달 전 | 0

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propertiesGUI - display data in editable context-aware table
propertiesGUI processes and displays a list of data property values in a context-aware GUI table

6달 전 | 다운로드 수: 3 |

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Operand stack and Execution stack Error using append_pdfs
append_pdfs only accepts PDF input files, not PNG files or any other non-PDF files

7달 전 | 0

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How to add multiple styles to my uiTree?
This looks like an internal Matlab bug. Specifically, after deleting nodes, the uitree's internal StyleConfigurationStorage prop...

7달 전 | 0

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how to find brushed data
In the new graphics system (R2014b onward), the brushed data info can be extracted from the hidden/undocumented BrushHandles pro...

10달 전 | 1

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Exporting images (png) through export_fig - painfully slow
Try to either reduce the resolution (the -r450 part), or to save as a vector-graphics image (PDF/EPS) rather than a PNG bitmap.

11달 전 | 0

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How to save very large image to original resolution
Try to use export_fig's sister image-export utility, ScreenCapture: https://www.mathworks.com/matlabcentral/fileexchange/24323-s...

12달 전 | 0

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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

12달 전 | 다운로드 수: 45 |

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

약 1년 전 | 다운로드 수: 60 |

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Can I somehow improve performance of str2double?
I use the following function to convert a cell-array of strings to a cell-array of numeric values (where applicable) - it is ~2-...

1년 이상 전 | 3

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Speed issues with Matlab code compiled using SDK compiler for Python
Perhaps your deployed environment is different from your Matlab &D one. For example, perhaps you can access a GPU on the R&D env...

1년 이상 전 | 0

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How To Clear Java Heap Space Memory????
Clearing Matlab's Java heap space has been long awaited, but I'm afraid that the suggested submission (Davide Tabarelli's JavaHe...

1년 이상 전 | 2

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Import data tool speed
The import tool GUI only shows you a preview of the data, based on the top N lines in the file, it does not read and process the...

1년 이상 전 | 0

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setFigDockGroup
Sets a figure's docking group container

1년 이상 전 | 다운로드 수: 3 |

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MATLAB Profiler - Granularity of Information
Use the [undocumented] -detail builtin profiler option, as in: profile on -detail builtin This works on old Matlab releases as ...

2년 이하 전 | 1

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How can I make the plot transparent in a gscattter?
Nice answer Adam, but not exactly accurate if you are willing to use some undocumented features... The underlying objects in a...

2년 이하 전 | 3

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MATLAB export_fig crops title
This is fixed in the latest version of export_fig (3.09). In the future, report such issues in export_fig's issues page: https:/...

약 2년 전 | 0

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How to speed up a code from the Code Profiler Results ?
Try to set the "Vectorized" property using the odeset function, before running ode45. Also, specifying the Jacobian in advance (...

약 2년 전 | 0

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[Soft question] Tips and tools to analyze unfamiliar OO code
For inspecting a single object or class, try the GUI-based uiinspect utility (https://www.mathworks.com/matlabcentral/fileexch...

약 2년 전 | 0

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Heatmap Axis Labels Printing Vertically?
The heatmap's X labels orientation is dynamically determined based on the number of labels and the axes width. In other words, i...

약 2년 전 | 1

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popupPanel Displays a popup panel with specified content
popupPanel Displays a popup panel with specified file contents, help topic, HTML or webpage

약 2년 전 | 다운로드 수: 1 |

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graphics performance 2019a vs 2016b
R2019a uses the integrated axes toolbar, which constantly monitors mouse movements in order to generate data tips on-the-fly. If...

2년 이상 전 | 0

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Yair Altman

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