Rank: 118 based on 518 downloads (last 30 days) and 2 files submitted
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Tim Holy

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Washington University in St. Louis

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04 Jan 2013 Save MAT files more quickly Saves large numeric arrays more quickly than Matlab's built-in save command Author: Tim Holy file operations, save, load, mat file, hdf5, performance 79 12
  • 4.6
4.6 | 6 ratings
07 Feb 2011 Screenshot Generate maximally perceptually-distinct colors Choose a set of n colors that can be readily distinguished from each other Author: Tim Holy color, legend, labels, distinct, distinguishable, colororder 439 27
  • 5.0
5.0 | 28 ratings
Comments and Ratings by Tim View all
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07 Jun 2014 Save MAT files more quickly Saves large numeric arrays more quickly than Matlab's built-in save command Author: Tim Holy

@zhang, the problem is that '-v6' has some serious limitations, for example it can't store arrays bigger than 2GB. It's also not as portable to other languages, etc; '-v7.3' is based on HDF5, so many different languages can read the files.

05 May 2014 Save MAT files more quickly Saves large numeric arrays more quickly than Matlab's built-in save command Author: Tim Holy

@yaron, off the top of my head I have no idea. What is the error message, and what are version(s) of Matlab on each?

10 Jan 2014 Save MAT files more quickly Saves large numeric arrays more quickly than Matlab's built-in save command Author: Tim Holy

Ali, it can only handle certain types, I didn't try to reverse engineer the entire format.

But see the comment from Raj, immediately below yours, about hlp_serialize.

02 Oct 2013 Generate maximally perceptually-distinct colors Choose a set of n colors that can be readily distinguished from each other Author: Tim Holy

See comments from 2010 for a workaround that doesn't require the Image Processing Toolbox.

29 Jul 2013 Generate maximally perceptually-distinct colors Choose a set of n colors that can be readily distinguished from each other Author: Tim Holy

Looks like it's the same idea. Thanks, I didn't know about that work.

Comments and Ratings on Tim's Files View all
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17 Jun 2014 Generate maximally perceptually-distinct colors Choose a set of n colors that can be readily distinguished from each other Author: Tim Holy Sundar, Harshavardhan

Awesome piece of code....this helped me a lot in building intuition in a different problem I am working on..thanks a lot...

07 Jun 2014 Save MAT files more quickly Saves large numeric arrays more quickly than Matlab's built-in save command Author: Tim Holy Holy, Tim

@zhang, the problem is that '-v6' has some serious limitations, for example it can't store arrays bigger than 2GB. It's also not as portable to other languages, etc; '-v7.3' is based on HDF5, so many different languages can read the files.

07 Jun 2014 Save MAT files more quickly Saves large numeric arrays more quickly than Matlab's built-in save command Author: Tim Holy zhang

This is unnecessary. Use the build-in save(filename, variables,'-v6') is even much faster than this file.

e.g., test showed that:
if not use '-v6', it takes 7.7 seconds for a file.
Using this file, it's 0.73 seconds.
But using the '-v6' option, it's ONLY 0.17 seconds!

12 May 2014 Generate maximally perceptually-distinct colors Choose a set of n colors that can be readily distinguished from each other Author: Tim Holy M├ęgevand, Pierre

05 May 2014 Save MAT files more quickly Saves large numeric arrays more quickly than Matlab's built-in save command Author: Tim Holy Holy, Tim

@yaron, off the top of my head I have no idea. What is the error message, and what are version(s) of Matlab on each?

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