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26 Jun 2014 Draw 3D arrows A function to draw 3D-arrows. Author: Changshun Deng

Changshun Deng

Pearl

Pearl

5
09 May 2014 Draw 3D arrows A function to draw 3D-arrows. Author: Changshun Deng

Changshun Deng

Huilong

Huilong

5
05 Dec 2013 Draw 3D arrows A function to draw 3D-arrows. Author: Changshun Deng

Changshun Deng

JUE

JUE

nice

5
05 Aug 2011 Draw 3D arrows A function to draw 3D-arrows. Author: Changshun Deng

Changshun Deng

sun bowen

sun bowen

OK

Comment only
16 May 2011 Draw 3D arrows A function to draw 3D-arrows. Author: Changshun Deng

Changshun Deng

Tang

Tang

THX~

5
22 Apr 2011 Draw 3D arrows A function to draw 3D-arrows. Author: Changshun Deng

Changshun Deng

Jin

Jin

There's a bug in the rotation part so if stop point is right above start point, certain quantities become NaN.

Comment only
15 Mar 2010 Draw 3D arrows A function to draw 3D-arrows. Author: Changshun Deng

Changshun Deng

Shuqin Zhang

Shuqin Zhang

THX!

Comment only
21 Oct 2008 Draw 3D arrows A function to draw 3D-arrows. Author: Changshun Deng

Changshun Deng

xu min

good !

4
20 Oct 2008 Draw 3D arrows A function to draw 3D-arrows. Author: Changshun Deng

Changshun Deng

sun hai

5
24 Jul 2008 Draw 3D arrows A function to draw 3D-arrows. Author: Changshun Deng

Changshun Deng

ash rai

5
24 Apr 2008 Draw 3D arrows A function to draw 3D-arrows. Author: Changshun Deng

Changshun Deng

Otkrist Gupta

Thanks a lot
This is just what I needed

5
27 Sep 2007 Draw 3D arrows A function to draw 3D-arrows. Author: Changshun Deng

Changshun Deng

benni yohannes

thx helps me a lot

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27 Sep 2007 Draw 3D arrows A function to draw 3D-arrows. Author: Changshun Deng

Changshun Deng

benni yohannes

Thy helps me a lot

Comment only
08 Aug 2007 Draw 3D arrows A function to draw 3D-arrows. Author: Changshun Deng

Changshun Deng

Johannes Korsawe

Thank you. Good job. Would be nice to have easier possibility to change colors.

4
15 Sep 2006 Draw 3D arrows A function to draw 3D-arrows. Author: Changshun Deng

Changshun Deng

Jon W.

Nice, does the job and is easy to use.

5
29 Jun 2006 A C-mex Function to find N largest number in a Matrix A c-mex function to find N largest number in a matrix. Author: Changshun Deng

Changshun Deng

Giovani Tonel

4
04 Jun 2006 A C-mex Function to find N largest number in a Matrix A c-mex function to find N largest number in a matrix. Author: Changshun Deng

Changshun Deng

bainhome webID

support my friend£¡

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22 May 2006 A C-mex Function to find N largest number in a Matrix A c-mex function to find N largest number in a matrix. Author: Changshun Deng

Changshun Deng

Rudran Rudran

4
04 Oct 2005 A C-mex Function to find N largest number in a Matrix A c-mex function to find N largest number in a matrix. Author: Changshun Deng

Changshun Deng

Changshun Deng

>> x=rand(1000,10000);

>> tic;y = sort(x) ; y(end-10);toc

elapsed_time =

17.8590

>> tic;nmax(x,10);toc

elapsed_time =

3.7350

Comment only
04 Oct 2005 A C-mex Function to find N largest number in a Matrix A c-mex function to find N largest number in a matrix. Author: Changshun Deng

Changshun Deng

Changshun Deng

i don't know if run my program.
just compare these results:

>> tic;nmax(x,1);toc

elapsed_time =

0.2030

>> tic;max(x);toc

elapsed_time =

1.3910

>> x=rand(1000,10000);
>> tic;nmax(x,10);toc

elapsed_time =

10.1880

>> tic;y = sort(x) ; y(end-10);toc

elapsed_time =

29.4380

Comment only
28 Sep 2005 A C-mex Function to find N largest number in a Matrix A c-mex function to find N largest number in a matrix. Author: Changshun Deng

Changshun Deng

Jos x

Same as
b = sort(a) ; b(end-N)
or
b = unique(a) ; b(end-N)
depending on the exact definition of Nth largest number. Both sort and unique are faster than your routines ...

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