Rank: 778 based on 187 downloads (last 30 days) and 7 files submitted
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Nathaniel Brahms

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University of California, Berkeley

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Postdoctoral fellow in atomic physics.


 

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Files Posted by Nathaniel Brahms View all
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(last 30 days)
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01 Sep 2009 Screenshot Generalized Nonlinear Non-analytic Chi-Square Fitting Performs chi-square fit with uncertainty estimation when measurement errors are known. Author: Nathaniel Brahms optimization, chisquare, nonlinear fitting, nonanalytic, data 47 12
  • 4.8
4.8 | 6 ratings
04 Dec 2007 loadOptions Tool for implementing option name/value pairs in function arguments Author: Nathaniel Brahms development environme..., option options pairs ... 8 1
  • 3.0
3.0 | 1 rating
31 May 2006 Screenshot Fast 2-dimensional interpolation Provides a 5x-50x speedup over interp2 Author: Nathaniel Brahms approximation, interpolation, fast, 2d, 2dimensional, quick 48 11
  • 4.57143
4.6 | 7 ratings
18 Apr 2006 Find injective domains Finds the injective subdomains of a vector pair Author: Nathaniel Brahms injective, onetoone, reimann, surfaces, turning points 6 0
18 Apr 2006 Screenshot Fast interpolation Performs nearest-neighbor or linear interpolation much faster than interp1 when an evenly-spaced lib Author: Nathaniel Brahms approximation, interpolation, fast, quick, mathematics 45 9
  • 4.4
4.4 | 12 ratings
Comments and Ratings on Nathaniel Brahms' Files View all
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17 Dec 2014 GUI for Generalized Nonlinear Non-analytic Chi-Square Fitting Provides a Curve Fitting Toolbox-like interface for chi-square fitting Author: Nathaniel Brahms X3rviar

I am new user of Matlab. I will be very grateful if someone can let me know how I can install this tool. I have extracted the zip file but cannot find a way of making Matlab recongnise the tool.
Thank you in advance

16 Jun 2014 Fast interpolation Performs nearest-neighbor or linear interpolation much faster than interp1 when an evenly-spaced lib Author: Nathaniel Brahms Philip

It is true that 'qinterp1' is faster than MATLAB's 'interp1q', but I find that 'griddedInterpolant' is much faster than 'qinterp1'. Perhaps this function was created before 'griddedInterpolant'. Do you think it's possible to beat the execution time of 'griddedInterpolant'? Thanks for sharing the code.

23 Feb 2014 Fast 2-dimensional interpolation Provides a 5x-50x speedup over interp2 Author: Nathaniel Brahms ran

as fast as promised

02 Jan 2014 Fast 2-dimensional interpolation Provides a 5x-50x speedup over interp2 Author: Nathaniel Brahms Davood Karimi

Thank you for sharing this code. I really need a fast 2D interpolation function for my work; but my tests show that this code is even slightly slower than Matlab's interp2. Am I making a mistake in using this?

15 Nov 2013 Fast 2-dimensional interpolation Provides a 5x-50x speedup over interp2 Author: Nathaniel Brahms Marc Crapeau

On R2012a, for very small interpolations (2x2 matrices interpolated in 1 point), speed up by a factor 10!

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