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Harshavardhan Sundar

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Indian Institute of Science, Bangalore

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I am a PhD student in the Indian Institute of Science, Bangalore. I am working in the Speech and Audio Lab in ECE department. My area of research is Multichannel Sound Field Processing.


 

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Comments and Ratings by Harshavardhan Sundar View all
Updated File Comments Rating
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

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

18 Sep 2011 Representing Polyhedral Convex Hulls by Vertices or (In)Equalities Express bounded polyhedron via equalities/inequalities or vertices. Author: Matt J

Hi Matt, Thanks again (Officially)....the latest of your code lcon2vert and vert2lcon are working absolutely fine....

05 Sep 2011 Representing Polyhedral Convex Hulls by Vertices or (In)Equalities Express bounded polyhedron via equalities/inequalities or vertices. Author: Matt J

Hi Matt. First of all thanks a lot for the wonderful piece of code. The code works fine for most of the cases. However there are a few occasions where I get erroneous vertices. One such example is below. My A matrix is :
A=[1 0 0
0 1 0
0 0 1
-1 0 0
0 -1 0
0 0 -1
-0.387696185212551 -0.295276274520099 0.703237014010810
5.73326513862449 -0.422448628998633 -0.113292931747631
-3.79255233000727 -0.360645958414035 -0.673892379691217
-1.27188203250127 0.544750863219514 -0.791324376598499
-2.30540199426269 -2.50522755054822 -0.291771858420232
0.616578245027929 -0.654271120193835 0.574406987898971
-1.49508806389885 -2.68877782397954 -0.989225453798092
5.34556895341194 -0.717724903518731 0.589944082263178
-3.40485614479472 -0.0653696838939366 -1.37712939370203
-0.884185847288714 0.840027137739613 -1.49456139060931
-1.91770580905014 -2.20995127602812 -0.995008872431042
0.228882059815378 -0.949547394713933 1.27764400190978
-1.10739187868630 -2.39350154945944 -1.69246246780890
1.94071280861722 -0.783094587412668 -0.787185311438849
4.46138310612323 0.122302234220881 -0.904617308346131
3.42786314436180 -2.92767617954685 -0.405064790167863
5.11668689359657 0.231822491195202 -0.687699919646602
4.23817707472564 -3.11122645297817 -1.10251838554572
-2.52067029750601 -0.905396821633549 0.117431996907282
1.48715033574458 -2.14458159213419 0.382120521270985
-3.17597408497934 -1.01491707860787 -0.0994853917922465
2.29746426610842 -2.32813186556550 -0.315333074106875
-1.03351996176143 -3.04997841376774 0.499552518178267
-0.655303787473336 -0.109520256974320 -0.216917388699529
-0.223206031397585 -3.23352868719905 -0.197901077199593
-1.68882374923476 -3.15949867074206 0.282635129478739
-0.810313930363841 0.183550273431316 0.697453595377860
-0.878509818870922 -3.34304894417337 -0.414818465899121]
b=[6
4
2
0
0
0
-0.154147860211922
16.6671436561829
-8.83179250583593
-1.48693603688105
-8.92116339978305
0.423928365940654
-8.95704617639833
16.5129957959710
-8.67764464562401
-1.33278817666913
-8.76701553957113
0.269780505728732
-8.80289831618640
7.83535115034699
15.1802076193019
7.74598025639987
16.2432152902423
7.71009747978459
-7.34485646895489
-0.0893708939471196
-8.40786413989528
-0.125253670562397
-7.43422736290201
-1.06300767094039
-7.47011013951728
-8.49723503384240
0.0358827766152754
-8.53311781045768]

I used the plotregion command available in MATLAB central to plot the region. I have reasons to believe that the plotregion command is plotting the region accurately. However for this particular example the vertices I get (graphically) from the plotregion command are not coinciding with the vertices obtained from lcon2vert. I also tried con2vert by Michael Kleder with little success.

05 Sep 2011 Representing Polyhedral Convex Hulls by Vertices or (In)Equalities Express bounded polyhedron via equalities/inequalities or vertices. Author: Matt J

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