Comments on: Another Copenhagen Synthesis Report Error? http://landshape.org/enm/another-copenhagen-synthesis-report-error/ The Power of Numeracy Wed, 16 May 2012 18:37:00 +0000 hourly 1 http://wordpress.org/?v=3.3.1 By: http://test.com http://landshape.org/enm/another-copenhagen-synthesis-report-error/#comment-1515 http://test.com Mon, 15 Feb 2010 02:44:40 +0000 http://landshape.org/enm/?p=2459#comment-1515 <strong>test...</strong> phVPdt0 | test ... test…

phVPdt0 | test …

]]> By: Jack & Jones http://landshape.org/enm/another-copenhagen-synthesis-report-error/#comment-1514 Jack & Jones Sun, 06 Sep 2009 13:26:12 +0000 http://landshape.org/enm/?p=2459#comment-1514 Great post Great post

]]> By: Jack & Jones http://landshape.org/enm/another-copenhagen-synthesis-report-error/#comment-1516 Jack & Jones Sun, 06 Sep 2009 13:26:00 +0000 http://landshape.org/enm/?p=2459#comment-1516 Great post Great post

]]> By: Jack & Jones http://landshape.org/enm/another-copenhagen-synthesis-report-error/#comment-11748 Jack & Jones Sun, 06 Sep 2009 13:26:00 +0000 http://landshape.org/enm/?p=2459#comment-11748 Great post Great post

]]> By: Jean S http://landshape.org/enm/another-copenhagen-synthesis-report-error/#comment-1513 Jean S Wed, 01 Jul 2009 15:49:59 +0000 http://landshape.org/enm/?p=2459#comment-1513 Lucia, yes, it's just a straight line. Here's how it is exactly done in the code (this is for the "right" end):pright=polyfit(idx,x(idx),1);This fits (returns a and b) a 1st order polynomial (a straight line) y=a*idx+b for M last data points in the series x.ThenpaddedX=[polyval(pleft,(-(M-1):0)');x;polyval(pright,n+(1:M)')];Appends data x (to right) with values y from the equationevaluated at points (n is the last index) n+1,...,n+M. Of course, it would be enough to append only M-1 values as the filter length is 2M-1. The last thing can be seen from how the filter is obtained:tfilt=conv(E,flipud(E))/M(later normalized to sum to unity). The length of E ("maximal eigenvector" from ssa) is M, so the convolution between E and "flipped" (i.e. reversed) E produces a 2M-1 length vector. Lucia, yes, it's just a straight line. Here's how it is exactly done in the code (this is for the “right” end):pright=polyfit(idx,x(idx),1);This fits (returns a and b) a 1st order polynomial (a straight line) y=a*idx+b for M last data points in the series x.ThenpaddedX=[polyval(pleft,(-(M-1):0)');x;polyval(pright,n+(1:M)')];Appends data x (to right) with values y from the equationevaluated at points (n is the last index) n+1,…,n+M. Of course, it would be enough to append only M-1 values as the filter length is 2M-1. The last thing can be seen from how the filter is obtained:tfilt=conv(E,flipud(E))/M(later normalized to sum to unity). The length of E (“maximal eigenvector” from ssa) is M, so the convolution between E and “flipped” (i.e. reversed) E produces a 2M-1 length vector.

]]> By: Jean S http://landshape.org/enm/another-copenhagen-synthesis-report-error/#comment-11374 Jean S Wed, 01 Jul 2009 15:49:00 +0000 http://landshape.org/enm/?p=2459#comment-11374 Lucia, yes, it's just a straight line. Here's how it is exactly done in the code (this is for the "right" end): pright=polyfit(idx,x(idx),1); This fits (returns a and b) a 1st order polynomial (a straight line) y=a*idx+b for M last data points in the series x. Then paddedX=[polyval(pleft,(-(M-1):0)');x;polyval(pright,n+(1:M)')]; Appends data x (to right) with values y from the equation evaluated at points (n is the last index) n+1,...,n+M. Of course, it would be enough to append only M-1 values as the filter length is 2M-1. The last thing can be seen from how the filter is obtained: tfilt=conv(E,flipud(E))/M (later normalized to sum to unity). The length of E ("maximal eigenvector" from ssa) is M, so the convolution between E and "flipped" (i.e. reversed) E produces a 2M-1 length vector. Lucia, yes, it’s just a straight line.

Here’s how it is exactly done in the code (this is for the “right” end):
pright=polyfit(idx,x(idx),1);
This fits (returns a and b) a 1st order polynomial (a straight line)
y=a*idx+b for M last data points in the series x.
Then
paddedX=[polyval(pleft,(-(M-1):0)');x;polyval(pright,n+(1:M)')];
Appends data x (to right) with values y from the equation
evaluated at points (n is the last index) n+1,…,n+M.
Of course, it would be enough to append only M-1 values as the filter length is 2M-1. The last thing can be seen from how the filter is obtained:
tfilt=conv(E,flipud(E))/M
(later normalized to sum to unity). The length of E (“maximal eigenvector” from ssa) is M, so the convolution between E and “flipped” (i.e. reversed) E produces a 2M-1 length vector.

]]> By: lucia http://landshape.org/enm/another-copenhagen-synthesis-report-error/#comment-1512 lucia Wed, 01 Jul 2009 14:27:59 +0000 http://landshape.org/enm/?p=2459#comment-1512 JeanS-- Stefan edited out the link to my post where we discuss the fishy odor surrounding his document? Heh. (I only edit out links to porn etc.)David S--Is the Grinstead extension just a plain straight line? No 'noise'? JeanS– Stefan edited out the link to my post where we discuss the fishy odor surrounding his document? Heh. (I only edit out links to porn etc.)David S–Is the Grinstead extension just a plain straight line? No 'noise'?

]]> By: lucia http://landshape.org/enm/another-copenhagen-synthesis-report-error/#comment-11373 lucia Wed, 01 Jul 2009 14:27:00 +0000 http://landshape.org/enm/?p=2459#comment-11373 JeanS-- Stefan edited out the link to my post where we discuss the fishy odor surrounding his document? Heh. (I only edit out links to porn etc.) David S-- Is the Grinstead extension just a plain straight line? No 'noise'? JeanS– Stefan edited out the link to my post where we discuss the fishy odor surrounding his document? Heh. (I only edit out links to porn etc.)

David S–
Is the Grinstead extension just a plain straight line? No ‘noise’?

]]> By: cohenite http://landshape.org/enm/another-copenhagen-synthesis-report-error/#comment-1511 cohenite Mon, 29 Jun 2009 12:42:27 +0000 http://landshape.org/enm/?p=2459#comment-1511 Did I say Will Steffen? I'm seeing that guy behind the bushes; time for a scotch. Did I say Will Steffen? I'm seeing that guy behind the bushes; time for a scotch.

]]> By: cohenite http://landshape.org/enm/another-copenhagen-synthesis-report-error/#comment-11359 cohenite Mon, 29 Jun 2009 12:42:00 +0000 http://landshape.org/enm/?p=2459#comment-11359 Did I say Will Steffen? I'm seeing that guy behind the bushes; time for a scotch. Did I say Will Steffen? I’m seeing that guy behind the bushes; time for a scotch.

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