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**Content Feed**

Submitted

Example MATLAB class wrapper for a C++ class

An example of how to safely encapsulate a C++ class in a MATLAB class, via a mex interface.

10 months ago | 5 downloads |

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...

1 year ago | 4

Solved

Find a Pythagorean triple

Given four different positive numbers, a, b, c and d, provided in increasing order: a < b < c < d, find if any three of them com...

2 years ago

Solved

Is this triangle right-angled?

Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...

2 years ago

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 ...

2 years ago | 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...

2 years ago | 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 ...

3 years ago | 0

Submitted

Batch Job

Toolbox to spread batch work over multiple MATLAB instances, even on other PCs

3 years ago | 1 download |

Submitted

SC - powerful image rendering

Useful tool for rendering and outputting information rich images

3 years ago | 12 downloads |

Question

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 ...

4 years ago | 0 answers | 2

### 0

answersMatlab 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...

4 years ago | 0

Question

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 ...

4 years ago | 0 answers | 0

### 0

answersSubmitted

fix_lines

Improves the style of lines in MATLAB generated eps files

5 years ago | 3 downloads |

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...

5 years ago | 0

Solved

expand intervals

You're given a row vector of an even number of monotonically increasing integers. Each pair of consecutive integers is the lower...

5 years ago

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...

5 years ago | 1

| accepted

Submitted

maximize

Platform independent function to maximize a figure window.

5 years ago | 2 downloads |

Submitted

Image Alignment Demo with several goodies: Lie algebra, auto differentiation...

Demonstration of gradient-based image alignment, including some nice tricks and handy software

5 years ago | 2 downloads |

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 ...

6 years ago | 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:/...

6 years ago | 0

Question

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...

6 years ago | 9 answers | 0

### 9

answersSubmitted

C++ JSON IO

Mex wrapper to C++ class for fast reading and writing of JSON files

6 years ago | 8 downloads |

Submitted

Tensor matrix multiply

Matrix multiplication over tensor arrays (i.e. arrays of matrices), with matrix transposition.

7 years ago | 1 download |

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...

7 years ago | 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...

7 years ago | 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/...

7 years ago | 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...

7 years ago | 0

Solved

Index one element in each vector of an array along a given dimension

Functions like min and max can return in their second output argument the index of the element in each vector along a particular...

7 years ago

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-...

7 years ago | 1