On Wed, May 04, 2011 at 03:29:53PM +0200, Olga Kruglova wrote:
> On Wed, May 4, 2011 at 3:04 PM, Olaf Till <
address@hidden> wrote:
>
> On Wed, May 04, 2011 at 01:57:59PM +0200, Olga Kruglova wrote:
> > On Wed, May 4, 2011 at 1:55 PM, Andy Buckle <
address@hidden> wrote:
> >
> > > On Wed, May 4, 2011 at 12:50 PM, olga_kruglova <
address@hidden>
> wrote:
> > > > Hello everybody,
> > > >
> > > > I try to use leasqr.m to fit data with function convoluted with known
> > > > resolution function but it gives me an error:
> > > >>> Convolution
> > > > Variables in the current scope:
> > > >
> > > > Attr Name Size Bytes Class
> > > > ==== ==== ==== ===== =====
> > > > f y 1024x1 8192 double
> > > >
> > > > Total is 1024 elements using 8192 bytes
> > > >
> > > > Variables in the current scope:
> > > >
> > > > Attr Name Size Bytes Class
> > > > ==== ==== ==== ===== =====
> > > > data 1024x1 8192 double
> > > >
> > > > Total is 1024 elements using 8192 bytes
> > > >
> > > > Variables in the current scope:
> > > >
> > > > Attr Name Size Bytes Class
> > > > ==== ==== ==== ===== =====
> > > > f wt 4x1 32 double
> > > >
> > > > Total is 4 elements using 32 bytes
> > > >
> > > > Variables in the current scope:
> > > >
> > > > Attr Name Size Bytes Class
> > > > ==== ==== ==== ===== =====
> > > > f y 1024x1 8192 double
> > > >
> > > > Total is 1024 elements using 8192 bytes
> > > >
> > > > error: product: nonconformant arguments (op1 is 4x1, op2 is 1024x1)
> > > > error: called from:
> > > > error: C:\OCTAVE~2\leasqr.m at line 184, column 3
> > > > error: C:\OCTAVE~2\Convolution.m at line 25, column 67
> > > > I can not understand why. Could you please help me out with it?
> Thank
> > > you
> > > > very much in advance!
> > > >
> > > > Kind regards, Olga
> > >
> > > Is Convolution.m your script?
> > >
> > > I think that in order to help, we have to see line 25 of Convolution.m.
> > >
> > > --
> > > /* andy buckle */
> > >
> >
> > Yes, it is
> > global verbose;
> > verbose=1;
> > line 25: [f1, p1, kvg1, iter1, corp1, covp1, covr1, stdresid1,
> > Z1, r21] = ...
> > leasqr (t, data, pin, F, stol, niter, options);
>
> In order to reproduce the failure, we have to know the values of all
> these variables: (t, data, pin, F, stol, niter, options), and probably
> have to know the code of your function F.
>
> But first: It seems you are using Matlab, and as far as I know the
> current version of our 'leasqr' does not run in Matlab at all. Where
> do you have your 'leasqr' from? If from Octave-Forge, from which
> version of the optim package?
>
> Olaf
>
>
> I use octave 3.2.4 i686-pc-mingw32 gcc-4.4.0 on WindowsXP SP3, not Matlab. Here
> is Convolution.m:
> function Convolution
> s = load ('vesbufIV.txt');
> t = s(:,1); t = 0.55e-9.*t;
> z = s(:,3);
> data = "" z);
> whos data;
> q = s (:,2);
>
>
> F = @leasqrfunc;
> %dFdp = @leasqrdfdp; % exact derivative
> %dFdp = @dfdp; % estimated derivative
> %dp = [0.001; 0.001];
> pin = [0.5; 1.0e9];
> stol=0.001; niter=50;
> minstep = [0.01; 0.01e9];
> maxstep = [0.8; 0.8e9];
> options = [minstep, maxstep];
>
>
> global verbose;
> verbose=1;
> [f1, p1, kvg1, iter1, corp1, covp1, covr1, stdresid1, Z1, r21] = ...
> leasqr (t, data, pin, F, stol, niter, options);
>
> function y = leasqrfunc(omega,p);
> %Period
> s = load ('vesbufIV.txt');
> t = s(:,1); t = 0.55e-9.*t;
> omega=zeros(1024,1);
> omega = 2*pi./ t;
>
> %Convolution
>
>
> %nh = length(h);
>
> ML = zeros(1024,1);
> for i=1:1024, ML = (2*sin(pi*p(1)/2)./(omega.*p(2)).^p(1)+2*cos(pi*p(1)/2)+
> (omega.*p(2)).^(-p(1))); end;
>
>
> %nYf = length(ML);
> %nfft = 2.^nextpow2(nYf+nh-1);
>
> %Yfzp = [ML, zeros(nfft-nYf,1)];
> %hzp = [h, zeros(nfft-nh,1)];
> s = load ('vesbufIV.txt');
> q = s (:,2);
> Hf = zeros(1024,1);
> Hf = fft(q);
>
> % Restored signal
> eXf = Hf.*ML;
>
> format bank;
>
> Xt =real( ifft(eXf));
>
> y = abs(Xt(1:1024,1));
> whos y;
> save("-ascii","test.txt","y");
>
> endfunction
>
> Thank you very much for help!
>
> --
> Kind regards, Olga
vesbufIV.txt