Community Profile

photo

Yair Altman


Consultant

Last seen: 3일 전 |  2007 이후 활성

연락

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

Statistics

All
  • Pro
  • 6 Month Streak
  • Top Downloads 2021
  • Top Downloads 2020
  • Top Downloads 2019
  • GitHub Submissions Level 3
  • Personal Best Downloads Level 5
  • Editor's Pick
  • First Review
  • 5-Star Galaxy Level 5
  • First Submission
  • Revival Level 3

배지보기

Content Feed

보기 기준

답변 있음
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

6일 전 | 0

답변 있음
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...

15일 전 | 0

| 수락됨

제출됨


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

20일 전 | 다운로드 수: 94 |

Thumbnail

제출됨


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

24일 전 | 다운로드 수: 2 |

Thumbnail

제출됨


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

약 1달 전 | 다운로드 수: 1292 |

Thumbnail

제출됨


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

약 1달 전 | 다운로드 수: 5 |

Thumbnail

답변 있음
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...

3달 전 | 1

| 수락됨

답변 있음
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.

4달 전 | 0

답변 있음
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...

5달 전 | 0

제출됨


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

5달 전 | 다운로드 수: 40 |

Thumbnail

제출됨


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

6달 전 | 다운로드 수: 55 |

Thumbnail

답변 있음
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-...

12달 전 | 3

답변 있음
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...

약 1년 전 | 0

답변 있음
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...

약 1년 전 | 2

답변 있음
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...

약 1년 전 | 0

| 수락됨

제출됨


setFigDockGroup
Sets a figure's docking group container

약 1년 전 | 다운로드 수: 3 |

Thumbnail

답변 있음
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 ...

1년 이상 전 | 1

| 수락됨

답변 있음
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...

1년 이상 전 | 3

답변 있음
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:/...

1년 이상 전 | 0

| 수락됨

답변 있음
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 (...

1년 이상 전 | 0

| 수락됨

답변 있음
[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...

1년 이상 전 | 0

답변 있음
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...

1년 이상 전 | 1

제출됨


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

1년 이상 전 | 다운로드 수: 2 |

Thumbnail

답변 있음
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...

1년 이상 전 | 0

| 수락됨

답변 있음
Poor performance of mex file
You m-function uses parallelization (parfor), while your mex file does not. This in itself could cause your m-code to run much f...

2년 이하 전 | 0

답변 있음
Increase CPU Speed - MAC
You can separate the problem into separate tasks and launch separate Matlab processes to process them in parallel. This is essen...

2년 이하 전 | 0

답변 있음
How can I clear stuck help popups?
Updates June 12, 2020: There is a recognized bug report on a very similar issue: https://www.mathworks.com/support/bugreports/1...

2년 이하 전 | 6

| 수락됨

답변 있음
dynamic java path vs static java path
Some Java functionality, especially those that are concerned with Java events that need to propagate to Matlab callbacks, does n...

2년 이하 전 | 0

답변 있음
Matlab in AVX2 mode (for AMD CPU's)
This is apparently fixed on R2020a as reported by @NedFlanders (original credit is apparently due to @MichelKatz): https://www...

2년 이하 전 | 0

| 수락됨

답변 있음
How to change Heatmap's Grid (Edge) appereance and behavior?
There are several alternatives: Update the grid style to a non-solid line, for example: hHeatmap = struct(h_map).Heatmap; hHe...

2년 이하 전 | 4

| 수락됨

더로드