Rank: 553 based on 257 downloads (last 30 days) and 7 files submitted
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AJ Johnson

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Files Posted by AJ Johnson View all
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(last 30 days)
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24 Nov 2010 Screenshot Text Art Convert images to ASCII text art. Author: AJ Johnson fun, ascii text art, image, picture, potw, pick of the week 21 7
  • 4.53846
4.5 | 13 ratings
20 Apr 2005 structindex Two mex files: structindex selects elements from all fields of a structure .... Author: AJ Johnson structures, cell arrays, struct, structure, index, cat 11 0
26 Aug 2004 Reverse Evaluation Create a string that, when evaluated, returns the original value. Author: AJ Johnson eval, reverse, engineer, string, equal 9 1
  • 4.0
4.0 | 1 rating
23 Jun 2004 cstruct A tool for mapping binary data to MATLAB structures and vice versa. Author: AJ Johnson data import, data export, binary, data, c, language 25 8
  • 4.75
4.8 | 8 ratings
13 Apr 2004 Screenshot error_ellipse Plot an error ellipse depicting confidence interval given a covariance matrix. Author: AJ Johnson statistics, probability, eep, ellipse, covariance, eigenvector 171 45
  • 4.91111
4.9 | 45 ratings
Comments and Ratings on AJ Johnson's Files View all
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14 Sep 2014 cstruct A tool for mapping binary data to MATLAB structures and vice versa. Author: AJ Johnson Lior

04 Jun 2014 error_ellipse Plot an error ellipse depicting confidence interval given a covariance matrix. Author: AJ Johnson Jonathan Currie

Should the second argument to qchisq not be the degrees of freedom, rather than the number of parameters?

11 Dec 2013 error_ellipse Plot an error ellipse depicting confidence interval given a covariance matrix. Author: AJ Johnson Peter Farkas

This was excellent for learning about Kalman filters.

27 Nov 2013 Text Art Convert images to ASCII text art. Author: AJ Johnson Michaela

21 Aug 2013 cstruct A tool for mapping binary data to MATLAB structures and vice versa. Author: AJ Johnson Jose Alejandro

I am having problems with mixing types in GLNX86 Linux.

A simple matlab structure

simple.double1 = double(10.1);
simple.uint8 = uint8(66);
simple.double2 = double(10.1);

with structure definition in C as

typedef struct {
double double_1;
unsigned char uint8_1;
double double_2;
} simple;

is read from the binary file created by cstruct as

simple_str.double_1: 1.010000e+01
simple_str.uint8_1: 66
simple_str.double_2: 4.667261e-62

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