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Oliver Woodford


2011 年からアクティブ

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Programming Languages:
Python, C++, C, MATLAB
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Managing RESTful web sessions using cookies in MATLAB
Instead of waiting for answers, I decided to write my own class to handle this. I also wrote a utility function to download publ...

9ヶ月 前 | 0

| 採用済み

質問


Managing RESTful web sessions using cookies in MATLAB
I'm trying to download a file from the web, programmatically in MATLAB. The issue I have is that the file requires some authenti...

9ヶ月 前 | 1 件の回答 | 0

1

回答

回答済み
mex compilation failure after most recent macOS update
Based on comments to an answer to a similar question, I found adding the following to my mex invocation solved this issue: mex ...

9ヶ月 前 | 3

回答済み
Apple's M1 native support
MATLAB R2022a still doesn't run natively on Apple silicon. The release notes say "On Apple silicon Macs, MATLAB runs using the R...

4年以上 前 | 4

回答済み
Exporting images (png) through export_fig - painfully slow
Reducing the level of anti-aliasing will reduce the sixe of the images created, saving time. Use the '-aX' option, where X is 1 ...

5年弱 前 | 0

回答済み
export_fig Transparency
The answer is in the help text you shared (you just want the axes color to be white, not none): fig = figure; plot(rand(5)) t...

5年弱 前 | 0

回答済み
Changing image rendering?
Basically you are rendering a binary image, and you're getting gray levels instead of just black and white? What are you using ...

6年弱 前 | 0

質問


When does an update to a function come into effect?
If I edit an existing function, and save the file, when does that change come into effect, in the following scenarios: Code is ...

6年以上 前 | 0 件の回答 | 2

0

回答

回答済み
Matlab editor doubt - edit running code
In more recent versions of MATLAB, if you drag a file from a folder into the editor window, that file will open immediately, eve...

6年以上 前 | 0

質問


How can I render points in 3D such that they correctly occlude each other
When I use plot3() to render points (using the OpenGL renderer, in hardware mode, with full hardware support), the occlusion of ...

約7年 前 | 0 件の回答 | 0

0

回答

回答済み
How to display 70 128*128 images in Matlab from a mat file
The imdisp method in the <https://www.mathworks.com/matlabcentral/fileexchange/16233-sc-powerful-image-rendering sc> FEX submiss...

8年弱 前 | 0

回答済み
Plot 2D images in 3D scatter plot
h = surface(X, Y, Z, im, 'facecolor', 'texturemap', 'edgecolor', 'none'); alpha(h, 0.5); X, Y, and Z are each 2x2 matric...

8年弱 前 | 1

| 採用済み

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Which standard MATLAB functions do you shadow with your own version, and why?
I shadow *bsxfun* with my own version, which calls the builtin function bsxfun for all inputs except symbolic ones, for which I ...

9年以上 前 | 0

回答済み
Which standard MATLAB functions do you shadow with your own version, and why?
I shadow *dot* and *cross* with my own versions, which extend the standard functionality to allow for inputs which have <https:/...

9年以上 前 | 0

質問


Which standard MATLAB functions do you shadow with your own version, and why?
When you have two functions on your MATLAB path with the same name, the function in the directory higher up the path gets called...

9年以上 前 | 9 件の回答 | 0

9

回答

回答済み
How do *you* debug mex files on Mac OS
<https://www.mathworks.com/matlabcentral/answers/249023-debugging-c-mex-files-in-xcode-7-on-el-capitan#answer_197054 This> is ho...

9年以上 前 | 0

回答済み
Debugging C++ mex files in Xcode 7 on El Capitan
I have been able to hit a breakpoint in my mex code, within the Xcode IDE, by doing the following steps: # <https://www.mathw...

9年以上 前 | 0

回答済み
Debugging C++ mex files in Xcode 7 on El Capitan
I build the mex file as a command line project in Xcode, using the following custom build settings: <</matlabcentral/answers/...

9年以上 前 | 0

回答済み
Which MATLAB operations/functions need speeding up?
MATLAB has no documented functions for reading JSON files, and the internal, undocumented method: matlab.internal.webservic...

10年弱 前 | 0

回答済み
How to calculate hash sum of a string (using java)?
A similar solution: %STRING2HASH Convert a string to a 64 char hex hash string (256 bit hash) % % hash = string2has...

10年以上 前 | 1

回答済み
How to compute the hash of a string using SHA algorithms
The Java-based solution can be found <http://uk.mathworks.com/matlabcentral/answers/45323-how-to-calculate-hash-sum-of-a-string-...

10年以上 前 | 2

質問


How can I access an API which requires OAuth 2.0 authorization, such as Google APIs
Some REST APIs, such as <https://developers.google.com/analytics/devguides/reporting/core/v3/gdataAuthorization Google Analytics...

10年以上 前 | 2 件の回答 | 0

2

回答

回答済み
Returning and passing void pointers to mex functions
Whilst you are not interfacing to a C++ class, much of a similar discussion on how to reuse a pointer to a C++ class is relevant...

10年以上 前 | 1

回答済み
How to prevent Matlab from GPU switching on Macbook Pro?
If you don't need the desktop, then you can run the command window only version of MATLAB by calling the following in a terminal...

10年以上 前 | 0

回答済み
Which MATLAB operations/functions need speeding up?
Matrix operations involving the transpose of a sparse matrix, especially J' * J and J' * K, where J is a very tall matrix. Const...

10年以上 前 | 0

回答済み
Are the values in each compressed column of a sparse matrix stored in order?
Since it is possible to write the column data in any order from a mex file, I would say *no*. However, I tried three methods ...

10年以上 前 | 0

質問


Are the values in each compressed column of a sparse matrix stored in order?
If I have a sparse column vector (e.g. a column of a sparse matrix), and I'm accessing the elements of that vector in a mex file...

10年以上 前 | 1 件の回答 | 0

1

回答

質問


Debugging C++ mex files in Xcode 7 on El Capitan
I have just migrated to MAC OS, and am trying to debug a mex file for the first time. I'm using MATLAB R2015b and Xcode 7.0.1 on...

11年弱 前 | 2 件の回答 | 1

2

回答

質問


How do *you* debug mex files on Mac OS
I'm having trouble <http://uk.mathworks.com/matlabcentral/answers/249023-debugging-c-mex-files-in-xcode-7-on-el-capitan debuggin...

11年弱 前 | 2 件の回答 | 2

2

回答

回答済み
imagesc() Y Axis Log Scale Not Working (Help!)
If you want to avoid pcolor, you can resample the image at the log scale locations, then use imagesc to display that.

11年弱 前 | 0

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