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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...
fast 3 Jahre vor | 4
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 ...
mehr als 3 Jahre vor | 0
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...
mehr als 3 Jahre vor | 0
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 ...
mehr als 4 Jahre vor | 0
Frage
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 ...
etwa 5 Jahre vor | 0 Antworten | 2
0
AntwortenMatlab 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...
etwa 5 Jahre vor | 0
Frage
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 ...
mehr als 5 Jahre vor | 0 Antworten | 0
0
AntwortenHow 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...
mehr als 6 Jahre vor | 0
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...
mehr als 6 Jahre vor | 1
| akzeptiert
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 ...
fast 8 Jahre vor | 0
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:/...
fast 8 Jahre vor | 0
Frage
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...
fast 8 Jahre vor | 9 Antworten | 0
9
AntwortenHow 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...
mehr als 8 Jahre vor | 0
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...
mehr als 8 Jahre vor | 0
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/...
mehr als 8 Jahre vor | 0
Which MATLAB operations/functions need speeding up?
MATLAB has no documented functions for reading JSON files, and the internal, undocumented method: matlab.internal.webservic...
mehr als 8 Jahre vor | 0
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-...
fast 9 Jahre vor | 1
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...
fast 9 Jahre vor | 1
Frage
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...
etwa 9 Jahre vor | 2 Antworten | 0
2
AntwortenReturning 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...
etwa 9 Jahre vor | 1
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...
etwa 9 Jahre vor | 0
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...
mehr als 9 Jahre vor | 0
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 ...
mehr als 9 Jahre vor | 0
Frage
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...
mehr als 9 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
mehr als 9 Jahre vor | 2 Antworten | 1
2
AntwortenFrage
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...
mehr als 9 Jahre vor | 2 Antworten | 2
2
Antwortenimagesc() 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.
mehr als 9 Jahre vor | 0
Which MATLAB operations/functions need speeding up?
TYPECAST Typecast uses a deep copy rather than a shared data copy, as explained by James Tursa in his <http://www.mathworks.c...
mehr als 9 Jahre vor | 0
Frage
Is A./B different from B.\A?
Given two matrices, A and B, will A./B ever give a different answer from B.\A, or are these two expressions equivalent? It se...
mehr als 9 Jahre vor | 3 Antworten | 1
3
AntwortenWhich MATLAB operations/functions need speeding up?
IMFILTER with separable filters on multi-channel images. This particular use case of imfilter is actually slower than using c...
mehr als 9 Jahre vor | 0