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Oliver Woodford


Active since 2011

Programming Languages:
Python, C++, C, MATLAB
Spoken Languages:
English

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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...

23 Tage 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...

25 Tage ago

Answered
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 ...

etwa ein Monat ago | 0

Answered
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...

etwa ein Monat ago | 0

Answered
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 ...

etwa ein Jahr ago | 0

Submitted


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

mehr als ein Jahr ago | 4 downloads |

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Submitted


SC - powerful image rendering
Useful tool for rendering and outputting information rich images

mehr als ein Jahr ago | 20 downloads |

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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 ...

fast 2 Jahre ago | 0 answers | 2

0

answers

Answered
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...

fast 2 Jahre 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 ...

mehr als 2 Jahre ago | 0 answers | 0

0

answers

Submitted


fix_lines
Improves the style of lines in MATLAB generated eps files

fast 3 Jahre ago | 4 downloads |

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Answered
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...

etwa 3 Jahre 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...

etwa 3 Jahre ago

Answered
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...

etwa 3 Jahre ago | 0

| accepted

Submitted


maximize
Platform independent function to maximize a figure window.

mehr als 3 Jahre ago | 6 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

mehr als 3 Jahre ago | 2 downloads |

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Submitted


vol3d v2
3-d volume (voxel) rendering

mehr als 3 Jahre ago | 51 downloads |

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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.

fast 4 Jahre ago | 25 downloads |

Answered
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 ...

mehr als 4 Jahre ago | 0

Answered
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:/...

mehr als 4 Jahre 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...

mehr als 4 Jahre ago | 9 answers | 0

9

answers

Submitted


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

mehr als 4 Jahre ago | 6 downloads |

Submitted


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

fast 5 Jahre ago | 3 downloads |

Answered
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...

etwa 5 Jahre ago | 0

Answered
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...

etwa 5 Jahre ago | 0

Answered
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/...

etwa 5 Jahre ago | 0

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

etwa 5 Jahre 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...

mehr als 5 Jahre ago

Answered
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-...

mehr als 5 Jahre ago | 1

Answered
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...

mehr als 5 Jahre ago | 0

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